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.

GPT-5.5 from OpenAI currently leads the Toolathlon leaderboard with a score of 0.556 across 18 evaluated AI models.

OpenAIGPT-5.5 leads with 55.6%, followed by OpenAIGPT-5.4 at 54.6% and DeepSeekDeepSeek-V4-Pro-Max at 51.8%.

Progress Over Time

Interactive timeline showing model performance evolution on Toolathlon

State-of-the-art frontier
Open
Proprietary

Toolathlon Leaderboard

18 models
ContextCostLicense
1
OpenAI
OpenAI
1.1M$5.00 / $30.00
2
OpenAI
OpenAI
1.0M$2.50 / $15.00
31.6T1.0M$1.74 / $3.48
4
Moonshot AI
Moonshot AI
1.0T262K$0.95 / $4.00
51.0M$0.50 / $3.00
6284B1.0M$0.14 / $0.28
7
OpenAI
OpenAI
400K$1.75 / $14.00
7205K$0.30 / $1.20
9230B1.0M$0.30 / $1.20
10400K$0.75 / $4.50
11
Zhipu AI
Zhipu AI
754B200K$1.40 / $4.40
12
Alibaba Cloud / Qwen Team
Alibaba Cloud / Qwen Team
1.0M$0.50 / $3.00
13
Alibaba Cloud / Qwen Team
Alibaba Cloud / Qwen Team
397B262K$0.60 / $3.60
14400K$0.20 / $1.25
15685B
15685B164K$0.26 / $0.38
15685B
18
Alibaba Cloud / Qwen Team
Alibaba Cloud / Qwen Team
35B
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FAQ

Common questions about Toolathlon.

What is the Toolathlon benchmark?

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.

What is the Toolathlon leaderboard?

The Toolathlon leaderboard ranks 18 AI models based on their performance on this benchmark. Currently, GPT-5.5 by OpenAI leads with a score of 0.556. The average score across all models is 0.431.

What is the highest Toolathlon score?

The highest Toolathlon score is 0.556, achieved by GPT-5.5 from OpenAI.

How many models are evaluated on Toolathlon?

18 models have been evaluated on the Toolathlon benchmark, with 0 verified results and 18 self-reported results.

What categories does Toolathlon cover?

Toolathlon is categorized under reasoning, tool calling, and agents. The benchmark evaluates text models.

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