agentcad vs Cognition AI

Side-by-side comparison of features, pricing, and ratings

Live tool data as of 2026-07-17
Reviewed by our team on
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At a glance

DimensionagentcadCognition AI
Pricingfree · from Open Source (Apache-2.0) $0freemium · from Free $0/mo
Best forAI agents designing 3D parts iteratively with a tight feedback loop, Developers automating CAD workflows with LLMsEnterprise engineering teams with large production codebases, Teams needing automated bug triage and incident response
Standout featuresMCP server integration for coding agents (Claude Code, Cursor, Windsurf) · Pre-execution validation catches syntax and import errors in <100ms · Run scripts with build123d or CadQuery to produce versioned STEP filesAutonomous planning, coding, and PR creation · FrontierCode evaluation for merge-worthiness · Auto-Triage: automated bug monitoring and fix PRs
Viability score87/10095/100
APIYesYes

agentcad is the stronger pick for ai agents designing 3d parts iteratively with a tight feedback loop; Cognition AI fits better for enterprise engineering teams with large production codebases.

Built from live tool data, last verified 2026-07-17.

agentcad
agentcad

Open-source MCP server for AI agents to design 3D parts

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Cognition AI
Cognition AI

Autonomous AI software engineer for enterprise production code deployment.

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Pricing
Free
Freemium
Plans
$0
$0/mo
$20/mo
$100/mo
Custom
Popularity
1 views
7.3k views
Skill Level
Intermediate
Intermediate
API Available
Platforms
CLI
WebDesktopCLI
Categories
💻 Code & Development🎭 Design & UI
💻 Code & Development
Features
MCP server integration for coding agents (Claude Code, Cursor, Windsurf)
Pre-execution validation catches syntax and import errors in <100ms
Run scripts with build123d or CadQuery to produce versioned STEP files
Render PNG views from 8 preset angles plus custom
Export to STL, GLB, OBJ for 3D printing and web
Inspect topology for debugging geometry issues (hollow shells, validity)
Diff two versions to track design iteration
Spec-check mode: measure dimensions against a JSON checklist
Zero-boilerplate scripts with pre-injected imports
Installable agent skill for auto-discovery by Claude Code
Browser-based 3D viewing via three.js
Auto GLB coloring per solid
Dry-run mode to get metrics without consuming a version
Override script constants via --params flag
17+ sections of CLI documentation
Autonomous planning, coding, and PR creation
FrontierCode evaluation for merge-worthiness
Auto-Triage: automated bug monitoring and fix PRs
Native Windows VM support for building and testing
Android emulator integration for mobile testing
Devin Desktop: Windsurf IDE + Devin Cloud + Agent Command Center
Devin Security Swarm: vulnerability find and fix
Devin Fusion: hybrid-model cost savings
Session persistence across runs for long tasks
Multi-step engineering task execution end-to-end
Auto-fixes for review comments in PRs
Integration with GitHub, Slack, Jira, Linear, Datadog
Human-equivalent hour productivity measurement
$10M AI Productivity Guarantee for enterprises
Support for large, complex codebases
Integrations
Claude Code
Cursor
Windsurf
build123d
CadQuery
GitHub
Slack
Windsurf IDE
Android Emulator
Windows VM
VS Code
Jira
Linear
Datadog

Who should pick which

  • Enterprise engineering team lead
    Pick: 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 CAD
    Pick: 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 prototype
    Pick: agentcad

    Free, open-source, no signup, and works locally – ideal for iterative design with AI assistance without upfront costs.

  • Large enterprise with legacy COBOL code
    Pick: Cognition AI

    Devin explicitly supports COBOL modernization, automated testing, and legacy migration – tailored for this niche.

  • Hobbyist exploring parametric CAD
    Pick: agentcad

    Agentcad's zero-boilerplate scripts and MCP integration make it easy to experiment with generative CAD using agent prompts.

Frequently Asked Questions

Which is better, agentcad or Cognition AI?

The best choice between agentcad and Cognition AI depends on your specific use case — we compare them independently on features, current pricing, integrations, and real-world signals (with an on-demand sentiment scan available for each). See the side-by-side breakdown above to match them to your needs.

What are the main differences between agentcad and Cognition AI?

The key differences include pricing model, feature set, platform support, and skill level requirements. Review the full comparison on RightAIChoice for a detailed breakdown.

Is there a free version of agentcad or Cognition AI?

Check the pricing section in the comparison for the latest pricing details on both tools, including free tiers, trial options, and paid plans.

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Explore each tool further

agentcad
View agentcad reviewagentcad alternatives
Cognition AI
View Cognition AI reviewCognition AI alternatives

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