agentcad vs Cognition AI
Side-by-side comparison of features, pricing, and ratings
At a glance
| Dimension | agentcad | Cognition AI |
|---|---|---|
| Pricing | Free (Apache-2.0) | Freemium (enterprise starting at premium, $10M guarantee) |
| Best for | Developers and AI agents automating 3D CAD design | Enterprise teams automating complex software engineering |
| Key feature | Script-based CAD with pre-execution validation, spec-check, version diffing | Autonomous planning & PR creation, FrontierCode eval, Auto-Triage |
| Integrations | Claude Code, Cursor, build123d, CadQuery, Windsurf | GitHub, Slack, Jira, Datadog, Windsurf IDE |
| Supported platforms | Local CLI (cross-platform) | Windows VM, Android emulator, Desktop app |
| Output produce | STEP, STL, GLB, OBJ files, PNG renders, geometric metrics | Production code, PRs, bug fixes, test suites |
Choose Cognition AI's Devin if you're an enterprise team needing autonomous software engineering with measurable productivity gains and a financial guarantee. Choose agentcad if you're a developer or AI agent building 3D parts programmatically with open-source, scriptable CAD tools. They solve fundamentally different problems: software engineering vs. mechanical design.
Open-source MCP server for AI agents to design, render, and export 3D CAD parts via code
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Autonomous AI software engineer that plans, codes, tests, and ships production code end-to-end.
Visit WebsiteWho should pick which
- Enterprise engineering team leadPick: Cognition AI
Devin handles complex multi-step tasks (bug triage, legacy modernization, cross-platform builds) with a productivity guarantee, integrating with their existing toolchain (GitHub, Jira, Datadog).
- AI agent developer automating CADPick: agentcad
Agentcad provides a tight agent feedback loop with validation, rendering, and export – perfect for AI agents generating 3D parts scriptable in build123d/CadQuery.
- Solo founder building a hardware prototypePick: agentcad
Free, open-source, no signup, and works locally – ideal for iterative design with AI assistance without upfront costs.
- Large enterprise with legacy COBOL codePick: Cognition AI
Devin explicitly supports COBOL modernization, automated testing, and legacy migration – tailored for this niche.
- Hobbyist exploring parametric CADPick: agentcad
Agentcad's zero-boilerplate scripts and MCP integration make it easy to experiment with generative CAD using agent prompts.
Frequently Asked Questions
agentcad vs Cognition AI: which should you choose?
Choose Cognition AI's Devin if you're an enterprise team needing autonomous software engineering with measurable productivity gains and a financial guarantee. Choose agentcad if you're a developer or AI agent building 3D parts programmatically with open-source, scriptable CAD tools. They solve fundamentally different problems: software engineering vs. mechanical design.
Can Cognition AI Devin design 3D parts?
No, Devin is an autonomous software engineer for code, not CAD. For 3D part generation, use agentcad.
Does agentcad require a subscription?
No, agentcad is completely free and open-source (Apache-2.0). No signup or payment needed.
What is the AI Productivity Guarantee from Cognition AI?
It's a $10M guarantee that Devin will deliver measurable productivity gains (human-equivalent hours). Announced June 2026.
Can agentcad export files for 3D printing?
Yes, it exports STL, GLB, and OBJ – all compatible with 3D printing workflows.
Which tools integrate with Devin?
Devin integrates with GitHub, Slack, Jira, Linear, Datadog, Windsurf IDE, VS Code, Android Emulator, and Windows VM.
Which AI agents work with agentcad?
Agentcad works as an MCP server with Claude Code, Cursor, and Windsurf – any agent supporting MCP.
Is there a free tier for Cognition AI?
Cognition AI offers freemium pricing, but enterprise plans with the guarantee are premium. Exact free tier limits are not detailed.
Can agentcad validate scripts before execution?
Yes, it catches syntax, missing show_object, and import errors in under 100ms before running the script.
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Last reviewed: July 2, 2026