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AiCadGen vs Text3D.ai

Which one should you try?

AiCadGen

Freemium

Best for Makers needing quick printable STL files

Visit AiCadGen See full review

Text3D.ai

Freemium

Best for Casual creators needing occasional models

Visit Text3D.ai See full review

Pricing, capabilities and platforms side by side. Prices are as of the "Pricing checked" date in the table.

AiCadGen

AiCadGen

The core workflow is prompt-in, parametric-geometry-out: the vendor states the AI writes parametric code, runs it in a sandbox, and produces STEP, STL, DXF, OBJ, or PDF output — not a mesh render pretending to be CAD. Chat refinement handles incremental edits without reopening a feature tree. The system covers parts, multi-part assemblies with per-part STEP files and a mate-intent manifest, and floor plans with MEP overlays to AS1100, ISO, and ASME standards. The free tier runs on a credit pool, so complex or repeated generations will exhaust credits before a project is production-ready. Teams with high iteration volume hit the credit ceiling and move to a paid tier or reconsider the workflow entirely.

Text3D.ai

Text3D.ai

The tool converts text prompts or reference images into textured 3D assets and packages them in seven formats: GLB, OBJ, FBX, STL, PLY, USDZ, and 3MF. A browser-based viewer lets you inspect the mesh wireframe, cycle lighting presets, and rotate the model before committing to a download. The V3.0 model adds PBR materials and quad mesh support; V4.0 is locked behind a paid tier and targets cleaner geometry. Where this breaks down is volume and control — free-tier users get a credit ceiling that runs out fast on iterative work, and teams needing topology they can rig or sculpt further will hit geometry quality limits that no prompt engineering fixes.

AttributeAiCadGenText3D.ai
PricingFreemiumFreemium
Pricefrom $12/mo$7.70/mo
Pricing checkedNot checked yetOct 19, 2026
Free trialNot statedNot stated
Open sourceNoNo
Has APIYesNo
Self-hosted optionNoNo
PlatformsWebWeb
Pros
  • Five export formats (STEP, STL, DXF, OBJ, PDF) from a single generation, so a maker can send the STL to a slicer and the STEP to a machine shop without a conversion step in between.
  • Chat-based iteration updates geometry in plain English rather than requiring feature-tree edits, which means a design revision that previously cost thirty minutes of sketch debugging resolves in seconds.
  • Multi-part assembly output includes a mate-intent manifest alongside per-part STEP files, so the exported package carries structural intent rather than forcing the receiving engineer to reconstruct relationships manually.
  • MEP overlay generation works from an uploaded PDF or photo of an existing plan, which means architects and drafters can layer HVAC, electrical, or structural services onto a scanned drawing instead of redrawing from scratch.
  • A free credit tier with no card requirement lets students and makers validate the tool against a real design brief before committing, which avoids the common trap of paying for a seat to discover the output quality doesn't match the use case.
  • Seven export formats (GLB, OBJ, FBX, STL, PLY, USDZ, 3MF) are available to paid subscribers with unlimited downloads, so a single generated asset can move directly into a game engine, slicer, or AR viewer without a separate conversion step.
  • Browser-based wireframe inspection and lighting preview before download, which means you catch topology or texture problems before they surface inside your actual production tool.
  • Image-to-3D mode accepts reference images as input, so designers working from product sketches or photo references are not forced to describe geometry in words.
  • Commercial license certificates issued as separate downloadable documents for paid subscribers, so product and agency teams have auditable rights documentation without chasing the vendor for paperwork.
  • Up to 12 concurrent generation tasks on higher-tier plans, which means a team running batch concepting sessions is not serializing every job through a single queue.
Cons
  • The free tier runs on a shared credit pool: iterating on a mechanical assembly across multiple refinement rounds consumes credits fast, and a hardware startup prototyping several variants of a bracket in one session will hit the ceiling before the design is final — the path forward is a paid tier or rationing generations.
  • Exported STEP geometry arrives as a dumb solid inside SolidWorks, Fusion 360, or Creo — the parametric code that generated it stays inside AiCadGen's sandbox and does not export, so any team that needs an editable feature tree in their existing CAD environment rebuilds the part from scratch; at that point AiCadGen is a sketch reference, not a workflow accelerator.
  • The platform is cloud-only with no self-hosted option, which disqualifies it for any team under a data residency policy, a defense contract with export-control requirements, or an enterprise IT policy that prohibits sending proprietary geometry to third-party cloud services — those teams route to self-hosted open-source CAD generation alternatives instead.
  • Standards-aware drawing output targets AS1100, ISO, and ASME, but the vendor page does not describe a drawing validation or tolerance checking step — a mechanical engineer submitting to a contract manufacturer needs to audit every generated drawing before it becomes a purchase order, adding a manual review gate that the tool's speed advantage does not eliminate.
  • Free-tier credits deplete fast on iterative prompt work — a single generation costs 10 credits, and the free allowance does not support the prompt-refine-regenerate loop that most teams actually need to reach a usable asset. Teams either upgrade or cap their iteration count at the free limit.
  • No topology controls are exposed: polycount, mesh flow, and edge loop density are determined by the model, not the user. Any asset destined for rigging or animation requires retopology in an external tool, adding a manual step that erases most of the speed gain from AI generation.
  • No API access means generation cannot be embedded in automated pipelines or CI workflows. Teams that need programmatic 3D asset creation — game studios populating asset databases, e-commerce teams generating product variants at scale — hit this wall immediately and route to competitors that expose generation endpoints.

Made up your mind?

AiCadGen

Freemium

Best for Makers needing quick printable STL files

Visit AiCadGen See full review

Text3D.ai

Freemium

Best for Casual creators needing occasional models

Visit Text3D.ai See full review

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Specs come from each tool's own site and docs (how we test). AIDiveForge is editorially independent.

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