Toolathlon
Tool Decathlon is a comprehensive benchmark for evaluating AI agents' ability to use multiple tools across diverse task categories. It measures proficiency in tool selection, sequencing, and execution across ten different tool-use scenarios.
Claude Opus 4.8 from Anthropic currently leads the Toolathlon leaderboard with a score of 0.599 across 20 evaluated AI models.
What Toolathlon measures
Toolathlon is a text benchmark that evaluates large language models on tool calling, reasoning, and agents tasks. LLM Stats tracks 20 models on this benchmark, with a maximum possible score of 1. Current average across reported models is 0.4, with the leader reaching 0.6.
Compare leaders on the best AI for tool calling, best AI for reasoning and best AI for agents leaderboards.
Claude Opus 4.8 leads with 59.9%, followed by 
Gemini 3.5 Flash at 56.5% and 
GPT-5.5 at 55.6%.
Progress Over Time
Interactive timeline showing model performance evolution on Toolathlon
Toolathlon Leaderboard
| Context | Cost | License | ||||
|---|---|---|---|---|---|---|
| 1 | Anthropic | — | 1.0M | $5.00 / $25.00 | ||
| 2 | Google | — | 1.0M | $1.50 / $9.00 | ||
| 3 | OpenAI | — | 1.1M | $5.00 / $30.00 | ||
| 4 | OpenAI | — | 1.0M | $2.50 / $15.00 | ||
| 5 |  DeepSeek | 1.6T | 1.0M | $1.74 / $3.48 | ||
| 6 |  Moonshot AI | 1.0T | 262K | $0.95 / $4.00 | ||
| 7 | Google | — | 1.0M | $0.50 / $3.00 | ||
| 8 | DeepSeek | 284B | 1.0M | $0.14 / $0.28 | ||
| 9 | OpenAI | — | 400K | $1.75 / $14.00 | ||
| 9 |  MiniMax | — | 205K | $0.30 / $1.20 | ||
| 11 | MiniMax | 230B | 1.0M | $0.30 / $1.20 | ||
| 12 | OpenAI | — | 400K | $0.75 / $4.50 | ||
| 13 |  Zhipu AI | 754B | 200K | $1.40 / $4.40 | ||
| 14 |  Alibaba Cloud / Qwen Team | — | 1.0M | $0.50 / $3.00 | ||
| 15 | Alibaba Cloud / Qwen Team | 397B | 262K | $0.60 / $3.60 | ||
| 16 | OpenAI | — | 400K | $0.20 / $1.25 | ||
| 17 | DeepSeek | 685B | — | — | ||
| 17 | DeepSeek | 685B | — | — | ||
| 17 | DeepSeek | 685B | — | — | ||
| 20 | Alibaba Cloud / Qwen Team | 35B | — | — |
FAQ
Common questions about Toolathlon.
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