Compare GPT, Claude, Gemini, Llama, Qwen and more — using your own API keys at direct provider rates. The lab is free. Every query shows its cost before you run it.
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The lab itself is free. HuggingFace open-source models are also free — grab a token →
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Your API calls go directly to OpenAI, Anthropic, and Google at their published per-token rates. You see the exact cost of every query.
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Connect any MCP server to Claude or OpenAI — get live results grounded in real data, then take the working code home.
Troubleshoot API key issues and check which models are live.
Open-weights agentic coder that beats Opus on tool use.