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    ToolAthlon

    🏆 Leaderboard

    As of August 20, 2026, Claude Opus 5 is #1 for ToolAthlon at 80.6%. Ranked by the ToolAthlon score 37 models in this index have a published ToolAthlon score. ToolAthlon leaderboard with live API prices. ToolAthlon — multi-tool benchmark testing agents across diverse tool-use scenarios.

    Updated August 20, 2026282 models33 providers
    Claude Opus 5
    Anthropic · Proprietary
    		80.6%$30.00
    Kimi K3OSS
    Moonshot AI · Open Source
    		76.5%$18.00
    Muse Spark 1.1
    Meta · Proprietary
    		75.6%$5.50
    Claude Sonnet 5
    Anthropic · Proprietary
    		74.7%$12.00
    DeepSeek-V4-Pro-0813OSS
    DeepSeek · Open Source
    		74.1%$5.28
    GLM-5.3OSS
    Z AI · Open Source
    		73%$5.80
    Qwen3.8 MaxOSS
    Qwen · Open Source
    		72.5%$8.00
    DeepSeek-V4-Flash-0731OSS
    DeepSeek · Open Source
    		70.3%$1.76
    Claude Mythos 5
    Anthropic · Proprietary
    		61.7%$60.00
    Claude Fable 5
    Anthropic · Proprietary
    		61.7%$60.00
    Claude Opus 4.8
    Anthropic · Proprietary
    		59.9%$30.00
    GPT-5.6 Sol
    OpenAI · Proprietary
    		58%$35.00
    Gemini 3.5 Flash
    Google · Proprietary
    		56.5%$10.50
    GPT-5.5
    OpenAI · Proprietary
    		55.6%$35.00
    GPT-5.4
    OpenAI · Proprietary
    		54.6%$17.50
    Inkling-SmallOSS
    Thinking Machines · Open Source · via Thinking Machines Lab
    		54.4%$1.50
    GPT-5.6 Luna
    OpenAI · Proprietary
    		53.4%$1.40
    GPT-5.6 Terra
    OpenAI · Proprietary
    		53.1%$14.00
    DeepSeek-V4-Pro-MaxOSS
    DeepSeek · Open Source
    		51.8%$5.22
    Kimi K2.6OSS
    Moonshot AI · Open Source
    		50%$4.93
    Laguna S 2.1OSS
    Poolside · Open Source
    		49.7%$0.30
    Gemini 3 Flash
    Google · Proprietary
    		49.4%$3.50
    Seed 2.1 Turbo
    ByteDance · Proprietary
    		49.1%$3.00
    Hy3OSS
    Tencent · Open Source
    		48.5%$0.66
    GLM-5.2OSS
    Z AI · Open Source
    		48.2%$5.80
    DeepSeek-V4-Flash-MaxOSS
    DeepSeek · Open Source
    		47.8%$0.42
    MiniMax M2.7OSS
    MiniMax · Open Source
    		46.3%$1.50
    GPT-5.2
    OpenAI · Proprietary
    		46.3%$15.75
    MiniMax M2.1OSS
    MiniMax · Open Source
    		43.5%$1.50
    DeepSeek-V4-Flash-0423OSS
    DeepSeek · Open Source
    		43.5%$0.30
    GPT-5.4 mini
    OpenAI · Proprietary
    		42.9%$5.25
    GLM-5.1OSS
    Z AI · Open Source
    		40.7%$5.80
    Qwen3.6 Plus
    Qwen · Proprietary
    		39.8%$3.50
    Qwen3.5-397B-A17BOSS
    Qwen · Open Source
    		38.3%$4.20
    GPT-5.4 nano
    OpenAI · Proprietary
    		35.5%$1.45
    DeepSeek-V3.2OSS
    DeepSeek · Open Source · via OpenRouter
    		35.2%$0.57
    Qwen3.6-35B-A3BOSS
    Qwen · Open Source · via OpenRouter
    		26.9%$1.14
    ChatGPT-4o Latest
    OpenAI · Proprietary
    		—$12.50
    Claude 3 Haiku
    Anthropic · Proprietary
    		—$1.50
    Claude 3 Opus
    Anthropic · Proprietary
    		—$90.00
    Claude 3 Sonnet
    Anthropic · Proprietary
    		—$18.00
    Claude 3.5 Haiku
    Anthropic · Proprietary
    		—$4.80
    Claude 3.5 Sonnet
    Anthropic · Proprietary
    		—$18.00
    Claude 3.5 Sonnet
    Anthropic · Proprietary
    		—$18.00
    Claude 3.7 Sonnet
    Anthropic · Proprietary
    		—$18.00
    Claude Haiku 4.5
    Anthropic · Proprietary
    		—$6.00
    Claude Mythos Preview
    Anthropic · Proprietary
    		—$60.00
    Claude Opus 4
    Anthropic · Proprietary
    		—$90.00
    Claude Opus 4.1
    Anthropic · Proprietary
    		—$90.00
    Claude Opus 4.5
    Anthropic · Proprietary
    		—$30.00
    Showing 1–50 of 282 models

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    The index

    All Large Language Models

    282 models across 33 providers. Search or jump to a lab — every model page stays linked here.

    OpenAI51Anthropic22Google25Cursor2xAI15DeepSeek16MiniMax6Qwen38AI21 Labs2Amazon5Baidu1ByteDance2Cohere3IBM1Inception1inclusionAI1LG AI Research1Meituan4Meta12Microsoft5Mistral23Moonshot AI9Nous Research1NVIDIA5Poolside2Sakana AI1StepFun1Tencent1Thinking Machines1Unisound1Upstage1Xiaomi3Z AI20

    Baidu

    1 models
    ERNIE 4.5

    Inception

    1 models
    Mercury 2

    inclusionAI

    1 models
    Ling-3.0-flash

    LG AI Research

    1 models
    K-EXAONE-236B-A23B

    Nous Research

    1 models
    Hermes 3 70B

    Sakana AI

    1 models
    Sakana Namazu

    StepFun

    1 models
    Step-3.5-Flash

    Tencent

    1 models
    Hy3

    Thinking Machines

    1 models
    Inkling-Small

    Unisound

    1 models
    U2

    Upstage

    1 models
    Solar Pro 4

    Which model leads ToolAthlon right now?

    As of August 20, 2026, Claude Opus 5 by Anthropic is #1 for ToolAthlon at 80.6%. Ranked by the ToolAthlon score This board also tracks ToolAthlon. Next on the same board: Kimi K3 and Muse Spark 1.1. This toolathlon leaderboard ranks models by ToolAthlon. Scores come from public evals. Prices are the live API rates in the table above.

    Sources: OpenAI API pricing (https://developers.openai.com/api/docs/pricing); Anthropic Claude API pricing (https://platform.claude.com/docs/en/about-claude/pricing); Gemini API pricing (https://ai.google.dev/gemini-api/docs/pricing)

    Top 8 for toolathlon. Ranked by the ToolAthlon score Input and output are dollars per million tokens.
    RankModelToolAthlonInput /MOutput /M
    1Claude Opus 580.6%$5.00$25.00
    2Kimi K376.5%$3.00$15.00
    3Muse Spark 1.175.6%$1.25$4.25
    4Claude Sonnet 574.7%$2.00$10.00
    5DeepSeek-V4-Pro-081374.1%$1.32$3.96
    6GLM-5.373%$1.40$4.40
    7Qwen3.8 Max72.5%$2.00$6.00
    8DeepSeek-V4-Flash-073170.3%$0.44$1.32

    Related LLM leaderboards

    LLM LeaderboardCodingMathAgenticReasoningWritingScienceFinanceLong ContextVisionOpen Source

    Individual benchmark pages

    Rank one eval at a time. All LLM benchmarks.

    HLESWE BenchHumanity's Last Exam (No Tools)Humanity's Last Exam (With Tools)Terminal-Bench 2.0Terminal-BenchTerminal-Bench 2.1Terminal-Bench 2Terminal-Bench 3.0ARC-AGI-1 Verified

    ToolAthlon FAQ

    Who ranks #1 on the ToolAthlon leaderboard?

    As of August 20, 2026, Claude Opus 5 by Anthropic ranks #1 on ToolAthlon at 80.6%. API pricing is $5.00/M input and $25.00/M output.

    What are the top models on ToolAthlon?

    The current ToolAthlon ranking as of August 20, 2026 is 1. Claude Opus 5 at 80.6%; 2. Kimi K3 at 76.5%; 3. Muse Spark 1.1 at 75.6%.

    Which toolathlon model is the cheapest?

    Laguna S 2.1 is the cheapest scored model on this toolathlon leaderboard at $0.10/M input and $0.20/M output ($0.30 blended). Claude Opus 5 still leads ToolAthlon at 80.6%.

    Should I always pick the #1 ToolAthlon model?

    Not automatically. Claude Opus 5 leads ToolAthlon, but a cheaper scored model can be the better production choice if the quality gap is small. Use the table to weigh ToolAthlon against input/output price, context window, and related evals.

    How often is the ToolAthlon leaderboard updated?

    Scores and API prices on this page are refreshed from published evals and provider rates. The snapshot is labeled August 20, 2026. Treat it as a current index, not a one-off blog post.

    What is ToolAthlon?

    ToolAthlon — multi-tool benchmark testing agents across diverse tool-use scenarios. This page ranks models that have published a ToolAthlon score, with live API token prices on the same row.

    Where is the ToolAthlon leaderboard?

    This page is the ToolAthlon leaderboard. Models are sorted by ToolAthlon, with input and output token prices on the same row so you can weigh score against cost. Official boards often omit price; that comparison is the point of this index.

    How is this ToolAthlon ranking different from the official board?

    Official eval pages own the methodology. This page keeps the published ToolAthlon score next to live API $/M so you can pick a production SKU, not only a trophy number.