The workspace for function calling.

→ Build multi-turn tool-calling conversations
→ Run them on OpenAI, Anthropic, Llama, Mistral & more
→ Compare models blind and climb the leaderboard
→ Earn points for streaks and inviting friends

1{2  "role": "assistant",3  "tool_calls": [{4    "id": "call_7Qx",5    "type": "function",6    "function": {7      "name": "get_weather",8      "arguments": "{\"city\":\"Istanbul\"}"9    }10  }]11}

toolcalling.ai

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