{"id":1996,"date":"2026-07-21T21:13:59","date_gmt":"2026-07-21T19:13:59","guid":{"rendered":"https:\/\/www.innospira.fr\/?p=1996"},"modified":"2026-07-21T21:14:01","modified_gmt":"2026-07-21T19:14:01","slug":"neural4d-avis","status":"publish","type":"post","link":"https:\/\/www.innospira.fr\/index.php\/2026\/07\/21\/neural4d-avis\/","title":{"rendered":"Neural4D : l&rsquo;avis d&rsquo;InnoSpira sur ce g\u00e9n\u00e9rateur 3D par IA"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Aujourd&rsquo;hui, je te donne mon avis sur <a href=\"https:\/\/www.neural4d.com\/fr\/home\" target=\"_blank\" rel=\"noreferrer noopener\">Neural4D<\/a>, un g\u00e9n\u00e9rateur 3D par IA sorti r\u00e9cemment. En effet, mod\u00e9liser un personnage 3D, \u00e7a peut prendre plusieurs heures, voire des jours. L\u00e0, je l\u2019ai fait \u00e0 partir d&rsquo;une simple image (le personnage InnoSpira), en quelques secondes. Je t&rsquo;explique comment dans cet article et je te partage mon avis complet sur cet outil.<\/p>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a6174d367000&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a6174d367000\" class=\"wp-block-image aligncenter size-large has-custom-border wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"414\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_landing_page-1024x414.webp\" alt=\"Neural4D, avis complet\" class=\"wp-image-2013\" style=\"border-width:1px;border-top-left-radius:10px;border-top-right-radius:10px;border-bottom-left-radius:10px;border-bottom-right-radius:10px\" srcset=\"https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_landing_page-1024x414.webp 1024w, https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_landing_page-300x121.webp 300w, https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_landing_page-768x310.webp 768w, https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_landing_page-1320x533.webp 1320w, https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_landing_page.webp 1535w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\tdata-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.thisImage.buttonRight\"\n\t\t\tdata-wp-style--top=\"state.thisImage.buttonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">Neural4D, un outil multi-fonctionnalit\u00e9s 3D<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Image vers 3D, transformer une image en mod\u00e8le 3D<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La fonction phare de cet outil : si tu as une image (minimum 256 x 256 pixels) que tu veux mod\u00e9liser en 3D, c&rsquo;est cette fonctionnalit\u00e9 qui t&rsquo;int\u00e9ressera le plus. Tu peux s\u00e9lectionner la qualit\u00e9, le nombre de faces (laisse au maximum dans le doute), ainsi que la quantit\u00e9. J\u2019ai \u00e9t\u00e9 agr\u00e9ablement surpris par cette transformation et la r\u00e9alisation du mod\u00e8le 3D, c&rsquo;est r\u00e9ellement un travail de qualit\u00e9 qu&rsquo;il aurait \u00e9t\u00e9 tr\u00e8s compliqu\u00e9 de faire sans cet outil.<\/p>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a6174d36787b&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a6174d36787b\" class=\"wp-block-image aligncenter size-large has-custom-border wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"488\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_image_vers_3d-1024x488.webp\" alt=\"Mon avis sur la transformation 3D \u00e0 partir d'une image\" class=\"wp-image-2014\" style=\"border-width:1px;border-top-left-radius:10px;border-top-right-radius:10px;border-bottom-left-radius:10px;border-bottom-right-radius:10px\" srcset=\"https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_image_vers_3d-1024x488.webp 1024w, https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_image_vers_3d-300x143.webp 300w, https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_image_vers_3d-768x366.webp 768w, https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_image_vers_3d-1536x732.webp 1536w, https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_image_vers_3d-1320x629.webp 1320w, https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_image_vers_3d.webp 1576w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\tdata-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.thisImage.buttonRight\"\n\t\t\tdata-wp-style--top=\"state.thisImage.buttonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">R\u00e9sultat, \u00e0 partir d&rsquo;une image import\u00e9e<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Une fois le r\u00e9sultat g\u00e9n\u00e9r\u00e9, il est possible de changer la texture, affiner la qualit\u00e9, ou simplement de reg\u00e9n\u00e9rer le mod\u00e8le (pour obtenir un meilleur r\u00e9sultat).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Texte vers 3D<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Si tu n&rsquo;as pas d&rsquo;image sp\u00e9cifique, mais que tu as une id\u00e9e pr\u00e9cise (ou au moins une id\u00e9e), tu peux formuler un prompt et g\u00e9n\u00e9rer directement le mod\u00e8le. Je te pr\u00e9conise d&rsquo;indiquer une quantit\u00e9 de 4, pour avoir un maximum de choix.<\/p>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a6174d367f16&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a6174d367f16\" class=\"wp-block-image aligncenter size-full has-custom-border wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"949\" height=\"670\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_texte_vers_3d.webp\" alt=\"Neural4D texte vers 3D\" class=\"wp-image-2015\" style=\"border-width:1px;border-top-left-radius:10px;border-top-right-radius:10px;border-bottom-left-radius:10px;border-bottom-right-radius:10px\" srcset=\"https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_texte_vers_3d.webp 949w, https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_texte_vers_3d-300x212.webp 300w, https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_texte_vers_3d-768x542.webp 768w\" sizes=\"auto, (max-width: 949px) 100vw, 949px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\tdata-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.thisImage.buttonRight\"\n\t\t\tdata-wp-style--top=\"state.thisImage.buttonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">Neural4D texte vers 3D<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">N&rsquo;est-il pas mignon ce petit robot \ud83d\ude0a ? Ensuite, m\u00eame m\u00e9canique que pr\u00e9c\u00e9demment, tu peux affiner la qualit\u00e9 et exporter le mod\u00e8le directement via les formats classiques (glb, obj, fbx, usdz, stl, blend). Je ne connais que le STL, pour lancer dans un slicer comme <a href=\"https:\/\/ultimaker.com\/fr\/software\/ultimaker-cura\/\" target=\"_blank\" rel=\"noreferrer noopener\">Cura<\/a>, mais si tu connais les autres n&rsquo;h\u00e9site pas \u00e0 le dire en commentaire. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Neural4D-2o, le mod\u00e8le multimodal pour la 3D<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ici, tu peux directement \u00e9changer dans une fen\u00eatre de chat avec l&rsquo;agent IA pour indiquer le contenu 3D que tu souhaites g\u00e9n\u00e9rer. Avec du texte ou avec une image. C&rsquo;est simple, efficace, on aime \u00e7a !<\/p>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a6174d368583&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a6174d368583\" class=\"wp-block-image aligncenter size-large has-custom-border wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"484\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/Neural4D-2o_exemple-1024x484.webp\" alt=\"Neural4D-2o : le chat multimodal pour g\u00e9n\u00e9rer un mod\u00e8le 3D\" class=\"wp-image-2016\" style=\"border-width:1px;border-top-left-radius:10px;border-top-right-radius:10px;border-bottom-left-radius:10px;border-bottom-right-radius:10px\" srcset=\"https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/Neural4D-2o_exemple-1024x484.webp 1024w, https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/Neural4D-2o_exemple-300x142.webp 300w, https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/Neural4D-2o_exemple-768x363.webp 768w, https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/Neural4D-2o_exemple-1536x726.webp 1536w, https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/Neural4D-2o_exemple-1320x624.webp 1320w, https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/Neural4D-2o_exemple.webp 1583w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\tdata-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.thisImage.buttonRight\"\n\t\t\tdata-wp-style--top=\"state.thisImage.buttonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">AnimeArt, l&rsquo;outil pour des animations Manga<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">J&rsquo;avoue ne pas \u00eatre expert de ce genre de fonctionnalit\u00e9s, mais l\u00e0 aussi j&rsquo;ai \u00e9t\u00e9 surpris. Mon avis sur Neural4D \u00e9tait d\u00e9j\u00e0 positif. Je n&rsquo;avais pas besoin de cet outil mais cela peut satisfaire plusieurs personnes (animations pour des jeux, vid\u00e9os, etc).<\/p>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a6174d368b4a&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a6174d368b4a\" class=\"wp-block-image aligncenter size-large has-custom-border wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"491\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_animeart-1024x491.webp\" alt=\"AnimeArt de Neural4D : personnage manga anim\u00e9 g\u00e9n\u00e9r\u00e9 par IA\" class=\"wp-image-2017\" style=\"border-width:1px;border-top-left-radius:10px;border-top-right-radius:10px;border-bottom-left-radius:10px;border-bottom-right-radius:10px\" srcset=\"https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_animeart-1024x491.webp 1024w, https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_animeart-300x144.webp 300w, https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_animeart-768x368.webp 768w, https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_animeart-1536x736.webp 1536w, https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_animeart-1320x633.webp 1320w, https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_animeart.webp 1586w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\tdata-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.thisImage.buttonRight\"\n\t\t\tdata-wp-style--top=\"state.thisImage.buttonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">Cr\u00e9er &amp; configurer un personnage avec des v\u00eatements, postures et humeurs.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Ici, j&rsquo;ai cr\u00e9\u00e9 un personnage \u00e0 partir d&rsquo;un prompt texte relativement simple. Il existe une multitude de personnages d\u00e9j\u00e0 cr\u00e9\u00e9s que tu peux utiliser et personnaliser. En effet, tu peux changer le d\u00e9cor, changer la posture et m\u00eame l&rsquo;humeur du personnage !<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">G\u00e9n\u00e9rer des images<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">L&rsquo;outil a pour principal objectif de travailler sur de la 3D, mais tu peux g\u00e9n\u00e9rer des images avec plusieurs mod\u00e8les (GPT Image 2, Nano Banana Pro). Utile pour obtenir des r\u00e9sultats rapidement et convertir les images en mod\u00e8les 3D directement.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"857\" height=\"492\" src=\"https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_generer_images.webp\" alt=\"G\u00e9n\u00e9ration d\u2019images dans Neural4D avant conversion en 3D\" class=\"wp-image-2018\" style=\"border-width:1px;border-top-left-radius:10px;border-top-right-radius:10px;border-bottom-left-radius:10px;border-bottom-right-radius:10px\" srcset=\"https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_generer_images.webp 857w, https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_generer_images-300x172.webp 300w, https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_generer_images-768x441.webp 768w\" sizes=\"auto, (max-width: 857px) 100vw, 857px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">L&rsquo;avantage, c&rsquo;est que tu as juste \u00e0 cliquer dessus pour d\u00e9clencher la prochaine action \ud83d\ude09.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">G\u00e9n\u00e9rer une vid\u00e9o<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pour la vid\u00e9o, il y a uniquement le mod\u00e8le Seedance 2.0, on regrettera peut \u00eatre le non-choix. Mais apr\u00e8s tout, ce mod\u00e8le est assez qualitatif. La preuve avec quelques vid\u00e9os r\u00e9alis\u00e9es, elles ont toutes \u00e9t\u00e9 r\u00e9ussies. Il faut compter quelques minutes pour g\u00e9n\u00e9rer une vid\u00e9o (cela peut varier en fonction de la quantit\u00e9 demand\u00e9e).<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large has-custom-border\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"476\" src=\"https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_generer_videos-1024x476.webp\" alt=\"G\u00e9n\u00e9ration vid\u00e9o avec Seedance 2.0 dans Neural4D\" class=\"wp-image-2019\" style=\"border-width:1px;border-top-left-radius:10px;border-top-right-radius:10px;border-bottom-left-radius:10px;border-bottom-right-radius:10px\" srcset=\"https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_generer_videos-1024x476.webp 1024w, https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_generer_videos-300x140.webp 300w, https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_generer_videos-768x357.webp 768w, https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_generer_videos-1536x714.webp 1536w, https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_generer_videos-1320x614.webp 1320w, https:\/\/www.innospira.fr\/wp-content\/uploads\/2026\/07\/neural4d_generer_videos.webp 1544w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">Combien co\u00fbte Neural4D ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Bonne nouvelle : tu peux tester le g\u00e9n\u00e9rateur 3D sans sortir la carte bleue. Voici ce que \u00e7a donne au moment o\u00f9 j\u2019\u00e9cris ces lignes.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Gratuit<\/strong> : 50 Power par semaine et 1 t\u00e2che \u00e0 la fois. Tu peux g\u00e9n\u00e9rer et pr\u00e9visualiser, mais tu ne t\u00e9l\u00e9charges que le maillage <em>sans texture<\/em>, et uniquement pour un usage personnel.<\/li>\n\n\n\n<li><strong>Pro<\/strong> : environ 18 $ par mois (ou 6,90 $ la semaine), avec 7 500 Power mensuels et jusqu\u2019\u00e0 20 g\u00e9n\u00e9rations en parall\u00e8le. C\u2019est l\u00e0 que tu d\u00e9bloques le mod\u00e8le textur\u00e9 complet et le droit d\u2019usage commercial.<\/li>\n\n\n\n<li><strong>Recharges<\/strong> : 1 $ = 100 Power, r\u00e9serv\u00e9 aux abonn\u00e9s. Pour te rep\u00e9rer, une g\u00e9n\u00e9ration texte vers 3D ou image vers 3D co\u00fbte 10 Power.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Traduction : le plan gratuit suffit largement pour te faire un avis sur Neural4D, mais si tu veux exporter un mod\u00e8le 3D textur\u00e9 et l\u2019utiliser dans un vrai projet, il faudra passer au Pro.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">Neural4D vs Meshy : lequel choisir ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Forc\u00e9ment, la question arrive vite : j\u2019avais d\u00e9j\u00e0 test\u00e9 <a href=\"https:\/\/www.innospira.fr\/index.php\/2026\/03\/31\/realiser-des-modeles-3d-avec-ia-de-meshy\/\">Meshy pour cr\u00e9er et imprimer des mod\u00e8les 3D<\/a>, et les deux outils jouent sur le m\u00eame terrain. Sur le c\u0153ur du m\u00e9tier, \u00e0 savoir transformer une image ou un prompt en mod\u00e8le 3D, ils se valent : \u00e7a prend une minute, et le r\u00e9sultat est propre dans les deux cas.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">Comparaison<\/th><th class=\"has-text-align-center\" data-align=\"center\">Neural4D<\/th><th class=\"has-text-align-center\" data-align=\"center\">Meshy<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Image vers 3D<\/td><td class=\"has-text-align-center\" data-align=\"center\">Oui<\/td><td class=\"has-text-align-center\" data-align=\"center\">Oui<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Texte vers 3D<\/td><td class=\"has-text-align-center\" data-align=\"center\">Oui<\/td><td class=\"has-text-align-center\" data-align=\"center\">Oui<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Rigging &amp; animation<\/td><td class=\"has-text-align-center\" data-align=\"center\">Oui<\/td><td class=\"has-text-align-center\" data-align=\"center\">Oui<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">G\u00e9n\u00e9ration d\u2019images<\/td><td class=\"has-text-align-center\" data-align=\"center\">GPT Image 2, Nano Banana Pro<\/td><td class=\"has-text-align-center\" data-align=\"center\">Nano Banana, Nano Banana Pro<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">G\u00e9n\u00e9ration vid\u00e9o<\/td><td class=\"has-text-align-center\" data-align=\"center\">Seedance 2.0<\/td><td class=\"has-text-align-center\" data-align=\"center\">Oui (3D vers vid\u00e9o)<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Chat multimodal<\/td><td class=\"has-text-align-center\" data-align=\"center\">Oui (Neural4D-2o)<\/td><td class=\"has-text-align-center\" data-align=\"center\">Non<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Animations manga<\/td><td class=\"has-text-align-center\" data-align=\"center\">Oui (AnimeArt)<\/td><td class=\"has-text-align-center\" data-align=\"center\">Non<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Workflow impression 3D<\/td><td class=\"has-text-align-center\" data-align=\"center\">Export STL \u00e0 importer<\/td><td class=\"has-text-align-center\" data-align=\"center\">Bouton \u00ab Envoyer \u00e0 Cura \u00bb<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Formats d\u2019export<\/td><td class=\"has-text-align-center\" data-align=\"center\">GLB, OBJ, FBX, USDZ, STL, BLEND<\/td><td class=\"has-text-align-center\" data-align=\"center\">Idem + 3MF<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Plan gratuit<\/td><td class=\"has-text-align-center\" data-align=\"center\">50 Power\/semaine, maillage sans texture<\/td><td class=\"has-text-align-center\" data-align=\"center\">Cr\u00e9dits gratuits, mod\u00e8les en CC BY 4.0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">La vraie diff\u00e9rence, elle est ailleurs. <strong>Meshy est taill\u00e9 pour l\u2019impression 3D<\/strong> : le bouton \u00ab Envoyer \u00e0 Cura \u00bb t\u2019envoie directement dans ton slicer, et la biblioth\u00e8que communautaire te sauve la mise quand tu n\u2019as pas d\u2019id\u00e9e. Si ton objectif final, c\u2019est un objet que tu vas tenir dans les mains, c\u2019est le chemin le plus court.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Neural4D, lui, ressemble plus \u00e0 un studio cr\u00e9atif complet.<\/strong> Le chat multimodal Neural4D-2o, AnimeArt, la g\u00e9n\u00e9ration vid\u00e9o : ce sont des choses que tu ne trouves pas ailleurs, et \u00e7a en fait un meilleur choix si tu bosses sur des personnages, des animations ou du contenu vid\u00e9o plut\u00f4t que sur du filament.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le point qui f\u00e2che c\u00f4t\u00e9 Neural4D : en gratuit, tu repars avec le maillage <em>sans texture<\/em>. Chez Meshy, le plan gratuit te laisse le mod\u00e8le textur\u00e9 (sous licence CC BY 4.0, donc avec attribution). Pour tester, \u00e7a change peu de choses. Pour produire, \u00e7a peut peser dans la balance.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">Mon avis sur Neural4D<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L&rsquo;outil d\u00e9borde de fonctionnalit\u00e9s, je ne t&rsquo;ai m\u00eame pas pr\u00e9sent\u00e9 l&rsquo;ensemble des mod\u00e8les d\u00e9j\u00e0 r\u00e9alis\u00e9s que tu peux remixer directement. Ou commander directement ton mod\u00e8le 3D si tu n&rsquo;as pas d&rsquo;imprimante 3D. Pour en savoir plus, ou une d\u00e9mo en live, je t&rsquo;invite \u00e0 visionner rapidement la vid\u00e9o ci-dessous. Neural4D est tr\u00e8s int\u00e9ressant, surtout si tu souhaites cr\u00e9er des mod\u00e8les 3D ou travailler sur des animations.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\" style=\"margin-top:var(--wp--preset--spacing--20);margin-bottom:var(--wp--preset--spacing--20)\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Cette IA g\u00e9n\u00e8re des mod\u00e8les 3D pr\u00eats pour Blender (test complet)\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/g_FCn5rFyjE?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-large-font-size\">FAQ : ce qu\u2019on me demande souvent sur Neural4D<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Neural4D est-il vraiment gratuit ?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Oui, il existe un plan gratuit avec 50 Power par semaine. Tu peux g\u00e9n\u00e9rer tes mod\u00e8les 3D et les visualiser, mais le t\u00e9l\u00e9chargement se limite au maillage sans texture, pour un usage personnel uniquement.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Quels formats d\u2019export propose Neural4D ?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tu peux exporter en GLB, OBJ, FBX, USDZ, STL et BLEND. Le STL, c\u2019est celui qui t\u2019int\u00e9resse si tu passes derri\u00e8re par un slicer pour de l\u2019impression 3D.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Peut-on utiliser les mod\u00e8les 3D commercialement ?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Oui, mais seulement avec un abonnement payant. Neural4D ne revendique pas la propri\u00e9t\u00e9 des contenus g\u00e9n\u00e9r\u00e9s, et tes g\u00e9n\u00e9rations ne sont pas utilis\u00e9es pour entra\u00eener leurs mod\u00e8les.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Est-ce que \u00e7a marche avec Blender, Unity ou Unreal ?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Oui. Tout se passe dans le navigateur, sans installation, et les formats export\u00e9s s\u2019importent directement dans Blender, Unity, Unreal Engine ou WebGL.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Faut-il un PC puissant pour transformer une image en mod\u00e8le 3D ?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Non, et c\u2019est tout l\u2019int\u00e9r\u00eat : le calcul se fait sur leurs serveurs. Un simple navigateur (Chrome, Edge, Safari) suffit, pas besoin d\u2019une grosse carte graphique.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aujourd&rsquo;hui, je te donne mon avis sur Neural4D, un g\u00e9n\u00e9rateur 3D par IA sorti r\u00e9cemment. En effet, mod\u00e9liser un personnage [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2025,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"linkedin_posted":true,"linkedin_posted_date":"2026-07-22 00:17:57","footnotes":""},"categories":[26],"tags":[13],"class_list":["post-1996","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-outils-ia","tag-outil"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Neural4D : l&#039;avis d&#039;InnoSpira sur ce g\u00e9n\u00e9rateur 3D par IA<\/title>\n<meta name=\"description\" content=\"Mon avis complet sur Neural4D, le g\u00e9n\u00e9rateur 3D par IA : transformer une image en mod\u00e8le 3D en quelques secondes, texte vers 3D, tarifs et formats d\u2019export.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.innospira.fr\/index.php\/2026\/07\/21\/neural4d-avis\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta 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