Big Bench Extra Hard

    🏆 Leaderboard

    As of August 20, 2026, Gemma 4 31B is #1 for Big Bench Extra Hard at 74.4%. Ranked by the Big Bench Extra Hard score 5 models in this index have a published Big Bench Extra Hard score. Big Bench Extra Hard leaderboard: rank models by Big Bench Extra Hard next to live API token prices.

    Updated August 20, 2026282 models33 providers
    Gemma 4 31BOSS
    Google · Open Source
    74.4%$0.54
    Gemma 4 26B-A4BOSS
    Google · Open Source
    64.8%$0.53
    Gemma 3 27BOSS
    Google · Open Source
    19.3%$0.30
    Gemma 3 12BOSS
    Google · Open Source
    16.3%$0.15
    Gemma 3 4BOSS
    Google · Open Source
    11%$0.06
    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 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
    DeepSeek-V4-Pro-MaxOSS
    DeepSeek · Open Source
    $5.22
    Devstral Medium
    Mistral · Proprietary · via Mistral AI
    $2.40
    Devstral Small 1.1OSS
    Mistral · Open Source · via Mistral AI
    $0.40
    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.

    Baidu

    1 models

    Inception

    1 models

    inclusionAI

    1 models

    LG AI Research

    1 models

    Nous Research

    1 models

    Sakana AI

    1 models

    StepFun

    1 models

    Tencent

    1 models

    Thinking Machines

    1 models

    Unisound

    1 models

    Upstage

    1 models

    Which model leads Big Bench Extra Hard right now?

    As of August 20, 2026, Gemma 4 31B by Google is #1 for Big Bench Extra Hard at 74.4%. Ranked by the Big Bench Extra Hard score This board also tracks Big Bench Extra Hard. Next on the same board: Gemma 4 26B-A4B and Gemma 3 27B. This big bench extra hard leaderboard ranks models by Big Bench Extra 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 5 for big bench extra hard. Ranked by the Big Bench Extra Hard score Input and output are dollars per million tokens.
    RankModelBig Bench Extra HardInput /MOutput /M
    1Gemma 4 31B74.4%$0.14$0.40
    2Gemma 4 26B-A4B64.8%$0.13$0.40
    3Gemma 3 27B19.3%$0.10$0.20
    4Gemma 3 12B16.3%$0.05$0.10
    5Gemma 3 4B11%$0.02$0.04

    Big Bench Extra Hard FAQ

    Who ranks #1 on the Big Bench Extra Hard leaderboard?

    As of August 20, 2026, Gemma 4 31B by Google ranks #1 on Big Bench Extra Hard at 74.4%. API pricing is $0.14/M input and $0.40/M output.

    What are the top models on Big Bench Extra Hard?

    The current Big Bench Extra Hard ranking as of August 20, 2026 is 1. Gemma 4 31B at 74.4%; 2. Gemma 4 26B-A4B at 64.8%; 3. Gemma 3 27B at 19.3%.

    Which big bench extra hard model is the cheapest?

    Gemma 3 4B is the cheapest scored model on this big bench extra hard leaderboard at $0.02/M input and $0.04/M output ($0.06 blended). Gemma 4 31B still leads Big Bench Extra Hard at 74.4%.

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

    Not automatically. Gemma 4 31B leads Big Bench Extra 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 Extra Hard against input/output price, context window, and related evals.

    How often is the Big Bench Extra 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 Extra Hard?

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

    Where is the Big Bench Extra Hard leaderboard?

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

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