๐ŸงชLLMCode Lab

Test every AI model side-by-side.
See every dollar before you spend it.

Compare GPT, Claude, Gemini, Llama, Qwen and more โ€” using your own API keys at direct provider rates. The lab is free. Every query shows its cost before you run it.

Free โ€ข No signup โ€ข No credit card

๐Ÿ’ฐ Free Lab

The lab itself is free. HuggingFace open-source models are also free โ€” grab a token โ†’

๐Ÿ“ Direct Rates

Your API calls go directly to OpenAI, Anthropic, and Google at their published per-token rates. You see the exact cost of every query.

๐Ÿ”’ Your Keys, Your Data

Keys live in your browser only โ€” never stored server-side. Use Incognito for maximum security.

NEW๐Ÿ”Œ MCP Testing Lab โ€” connect any MCP server, get live results, take the code home โ†’
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MCP Testing LabNEW

Connect any MCP server to Claude or OpenAI โ€” get live results grounded in real data, then take the working code home.

BYO MCP serverLive resultsCode takeaway
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Model Availability Monitor

Troubleshoot API key issues and check which models are live.

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NVIDIA Nemotron Lab

Nemotron 3 NanoNemotron 3 SuperSuper 49BNemotron 70B
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