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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
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AutonomyAI
✓ verifiedFreemium
AI agent that works inside a product's real codebase so PMs, designers and engineers can ship and refactor frontend changes.
8.9K visits/mo
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DeepSeek
✓ verifiedFreemium
Chinese AI lab DeepSeek offering free chat apps and low-cost API access to its frontier V-series and R-series reasoning models.
430M visits/mo
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Code Arena
✓ verifiedFree
Side-by-side arena to compare AI coding models and build multi-file apps, with a public leaderboard and battle mode.
35M visits/mo201 saves
Pricing
No public pricing
No public pricing
No public pricing
Core features
- ✦AI agent that works in real product code
- ✦Role-based workflows for PMs, designers and engineers
- ✦Prototyping with production code
- ✦Legacy interface refactoring
- ✦Design-system alignment
- ✦Free DeepSeek chat (web and app)
- ✦Open API platform
- ✦V-series and R-series reasoning models
- ✦DeepSeek-V4 with long context and stronger agent ability
- ✦OpenAI/Anthropic-compatible API
- ✦Extensive published model lineup
- ✦Head-to-head model comparison
- ✦Battle mode matchups
- ✦Public model leaderboard
- ✦Multi-file app generation
- ✦File uploads as input
Use cases
- →Shipping frontend features faster
- →Prototyping directly in real code
- →Refactoring legacy UIs
- →Turning designs into product code
- →Free AI chat and assistance
- →Building apps via API
- →Reasoning and coding tasks
- →Low-cost LLM inference
- →Choosing the best coding model
- →Benchmarking AI code quality
- →Prototyping small apps
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