Big Bench Hard

    🏆 Leaderboard

    As of August 20, 2026, Claude 3.5 Sonnet is #1 for Big Bench Hard at 93.1%. Ranked by the Big Bench Hard score 13 models in this index have a published Big Bench Hard score. Big Bench Hard leaderboard: rank models by Big Bench Hard next to live API token prices.

    Updated August 20, 2026282 models33 providers
    Claude 3.5 Sonnet
    Anthropic · Proprietary
    93.1%$18.00
    Claude 3.5 Sonnet
    Anthropic · Proprietary
    93.1%$18.00
    Gemini 1.5 Pro
    Google · Proprietary
    89.2%$12.50
    Gemma 3 27BOSS
    Google · Open Source
    87.6%$0.30
    Claude 3 Opus
    Anthropic · Proprietary
    86.8%$90.00
    Gemma 3 12BOSS
    Google · Open Source
    85.7%$0.15
    Gemini 1.5 Flash
    Google · Proprietary
    85.5%$0.75
    Claude 3 Sonnet
    Anthropic · Proprietary
    82.9%$18.00
    Claude 3 Haiku
    Anthropic · Proprietary
    73.7%$1.50
    Gemma 3 4BOSS
    Google · Open Source
    72.2%$0.06
    Phi 4 MiniOSS
    Microsoft · Open Source · via OpenRouter
    70.4%$0.43
    Granite 3.3 8B InstructOSS
    IBM · Open Source
    69.1%$1.00
    Phi-3.5-mini-instructOSS
    Microsoft · Open Source
    69%$0.20
    ChatGPT-4o Latest
    OpenAI · Proprietary
    $12.50
    Claude 3.5 Haiku
    Anthropic · Proprietary
    $4.80
    Claude 3.7 Sonnet
    Anthropic · Proprietary
    $18.00
    Claude Fable 5
    Anthropic · Proprietary
    $60.00
    Claude Haiku 4.5
    Anthropic · Proprietary
    $6.00
    Claude Mythos 5
    Anthropic · Proprietary
    $60.00
    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
    Claude Opus 4.6
    Anthropic · Proprietary
    $30.00
    Claude Opus 4.7
    Anthropic · Proprietary
    $30.00
    Claude Opus 4.8
    Anthropic · Proprietary
    $30.00
    Claude Opus 5
    Anthropic · Proprietary
    $30.00
    Claude Sonnet 4
    Anthropic · Proprietary
    $18.00
    Claude Sonnet 4.5
    Anthropic · Proprietary
    $18.00
    Claude Sonnet 4.6
    Anthropic · Proprietary
    $18.00
    Claude Sonnet 5
    Anthropic · Proprietary
    $12.00
    Command A+OSS
    Cohere · Open Source
    $12.50
    Command R+OSS
    Cohere · Open Source
    $1.25
    Composer 2
    Cursor · Proprietary
    $3.00
    Composer 2 Fast
    Cursor · Proprietary
    $9.00
    DeepSeek R1 Distill Llama 70BOSS
    DeepSeek · Open Source
    $0.50
    DeepSeek R1 Distill Qwen 32BOSS
    DeepSeek · Open Source
    $0.30
    DeepSeek-R1OSS
    DeepSeek · Open Source
    $2.74
    DeepSeek-R1-0528OSS
    DeepSeek · Open Source
    $2.74
    DeepSeek-V2.5OSS
    DeepSeek · Open Source
    $0.42
    DeepSeek-V3OSS
    DeepSeek · Open Source
    $1.37
    DeepSeek-V3 0324OSS
    DeepSeek · Open Source
    $1.42
    DeepSeek-V3.1OSS
    DeepSeek · Open Source
    $1.27
    DeepSeek-V3.2OSS
    DeepSeek · Open Source · via OpenRouter
    $0.57
    DeepSeek-V3.2 (Non-thinking)OSS
    DeepSeek · Open Source
    $0.70
    DeepSeek-V3.2-ExpOSS
    DeepSeek · Open Source
    $0.68
    DeepSeek-V4-Flash-0423OSS
    DeepSeek · Open Source
    $0.30
    DeepSeek-V4-Flash-0731OSS
    DeepSeek · Open Source
    $1.76
    DeepSeek-V4-Flash-MaxOSS
    DeepSeek · Open Source
    $0.42
    DeepSeek-V4-Pro-0813OSS
    DeepSeek · Open Source
    $5.28
    Showing 150 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.

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    1 models

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    1 models

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    1 models

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    1 models

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    1 models

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    1 models

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    1 models

    Which model leads Big Bench Hard right now?

    As of August 20, 2026, Claude 3.5 Sonnet by Anthropic is #1 for Big Bench Hard at 93.1%. Ranked by the Big Bench Hard score This board also tracks Big Bench Hard. Next on the same board: Claude 3.5 Sonnet and Gemini 1.5 Pro. This big bench hard leaderboard ranks models by Big Bench Hard. 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 big bench hard. Ranked by the Big Bench Hard score Input and output are dollars per million tokens.
    RankModelBig Bench HardInput /MOutput /M
    1Claude 3.5 Sonnet93.1%$3.00$15.00
    2Claude 3.5 Sonnet93.1%$3.00$15.00
    3Gemini 1.5 Pro89.2%$2.50$10.00
    4Gemma 3 27B87.6%$0.10$0.20
    5Claude 3 Opus86.8%$15.00$75.00
    6Gemma 3 12B85.7%$0.05$0.10
    7Gemini 1.5 Flash85.5%$0.15$0.60
    8Claude 3 Sonnet82.9%$3.00$15.00

    Big Bench Hard FAQ

    Who ranks #1 on the Big Bench Hard leaderboard?

    As of August 20, 2026, Claude 3.5 Sonnet by Anthropic ranks #1 on Big Bench Hard at 93.1%. API pricing is $3.00/M input and $15.00/M output.

    What are the top models on Big Bench Hard?

    The current Big Bench Hard ranking as of August 20, 2026 is 1. Claude 3.5 Sonnet at 93.1%; 2. Claude 3.5 Sonnet at 93.1%; 3. Gemini 1.5 Pro at 89.2%.

    Which big bench hard model is the cheapest?

    Gemma 3 4B is the cheapest scored model on this big bench hard leaderboard at $0.02/M input and $0.04/M output ($0.06 blended). Claude 3.5 Sonnet still leads Big Bench Hard at 93.1%.

    Should I always pick the #1 Big Bench Hard model?

    Not automatically. Claude 3.5 Sonnet leads Big Bench Hard, but a cheaper scored model can be the better production choice if the quality gap is small. Use the table to weigh Big Bench Hard against input/output price, context window, and related evals.

    How often is the Big Bench Hard 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 Big Bench Hard?

    Big Bench Hard is a public LLM eval (the Big Bench Hard score). This page ranks models that have published a score, next to live API prices.

    Where is the Big Bench Hard leaderboard?

    This page is the Big Bench Hard leaderboard. Models are sorted by Big Bench Hard, 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 Big Bench Hard ranking different from the official board?

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