HLE

    🏆 Leaderboard

    As of August 20, 2026, Claude Opus 5 is #1 for HLE at 64.7%. Ranked by Humanity's Last Exam: 2,500 expert questions designed so search engines fail. 104 models in this index have a published HLE score. Methodology: Humanity's Last Exam (https://agi.safe.ai/). HLE leaderboard with live API prices. Humanity's Last Exam — an extremely difficult benchmark of expert-level questions across all academic disciplines. Official methodology: Humanity's Last Exam (https://agi.safe.ai/).

    Updated August 20, 2026282 models33 providers
    Claude Opus 5
    Anthropic · Proprietary
    64.7%$30.00
    Claude Mythos Preview
    Anthropic · Proprietary
    64.7%$60.00
    Claude Fable 5
    Anthropic · Proprietary
    64.5%$60.00
    GLM-5.3OSS
    Z AI · Open Source
    62.5%$5.80
    Muse Spark 1.1
    Meta · Proprietary
    62.1%$5.50
    DeepSeek-V4-Pro-0813OSS
    DeepSeek · Open Source
    60%$5.28
    Claude Opus 4.8
    Anthropic · Proprietary
    57.9%$30.00
    Claude Sonnet 5
    Anthropic · Proprietary
    57.4%$12.00
    GPT-5.5 Pro
    OpenAI · Proprietary
    57.2%$540.00
    Kimi K3OSS
    Moonshot AI · Open Source
    56%$18.00
    GLM-5.2OSS
    Z AI · Open Source
    54.7%$5.80
    Claude Opus 4.7
    Anthropic · Proprietary
    54.7%$30.00
    Seed 2.1 Turbo
    ByteDance · Proprietary
    54.6%$3.00
    Claude Opus 4.6
    Anthropic · Proprietary
    53.1%$30.00
    GLM-5.1OSS
    Z AI · Open Source
    52.3%$5.80
    GPT-5.5
    OpenAI · Proprietary
    52.2%$35.00
    Gemini 3.1 Pro
    Google · Proprietary
    51.4%$17.50
    Kimi K2-Thinking-0905OSS
    Moonshot AI · Open Source
    51%$2.47
    Kimi K2.5OSS
    Moonshot AI · Open Source
    50.2%$3.68
    Qwen3.5-27BOSS
    Qwen · Open Source
    48.5%$2.70
    DeepSeek-V4-Pro-MaxOSS
    DeepSeek · Open Source
    48.2%$5.22
    Qwen3.5-122B-A10BOSS
    Qwen · Open Source
    47.5%$3.60
    Qwen3.5-35B-A3BOSS
    Qwen · Open Source
    47.4%$2.25
    Claude Sonnet 4.6
    Anthropic · Proprietary
    46.8%$18.00
    Gemini 3 Pro
    Google · Proprietary
    45.8%$14.00
    DeepSeek-V4-Flash-MaxOSS
    DeepSeek · Open Source
    45.1%$0.42
    Qwen3.8 MaxOSS
    Qwen · Open Source
    43.6%$8.00
    Gemini 3 Flash
    Google · Proprietary
    43.5%$3.50
    GLM-4.7OSS
    Z AI · Open Source
    42.8%$2.80
    Qwen3.7 Max
    Qwen · Proprietary
    41.4%$5.00
    DeepSeek-V3.2OSS
    DeepSeek · Open Source · via OpenRouter
    40.8%$0.57
    DeepSeek-V4-Flash-0423OSS
    DeepSeek · Open Source
    40.3%$0.30
    Gemini 3.5 Flash
    Google · Proprietary
    40.2%$10.50
    Grok-4
    xAI · Proprietary
    40%$18.00
    GPT-5.4
    OpenAI · Proprietary
    39.8%$17.50
    Nemotron 3 Ultra (550B A55B)OSS
    NVIDIA · Open Source · via OpenRouter
    37.4%$2.70
    GPT-5.2 Pro
    OpenAI · Proprietary
    36.6%$189.00
    Kimi K2.6OSS
    Moonshot AI · Open Source
    36.4%$4.93
    Qwen3.7-Plus
    Qwen · Proprietary
    34.7%$1.60
    GPT-5.2
    OpenAI · Proprietary
    34.5%$15.75
    MiMo-V2.5-ProOSS
    Xiaomi · Open Source
    34%$1.30
    Inkling-SmallOSS
    Thinking Machines · Open Source · via Thinking Machines Lab
    31.6%$1.50
    Qwen3.8-27BOSS
    Qwen · Open Source
    30.8%$3.65
    Qwen3.6 Plus
    Qwen · Proprietary
    28.8%$3.50
    Qwen3.5-397B-A17BOSS
    Qwen · Open Source
    28.7%$4.20
    GPT-5.4 mini
    OpenAI · Proprietary
    28.2%$5.25
    Gemma 4 31BOSS
    Google · Open Source
    26.5%$0.54
    LongCat-Flash-Thinking-2601OSS
    Meituan · Open Source
    25.2%$1.50
    Claude Opus 4.5
    Anthropic · Proprietary
    25.2%$30.00
    GPT-5
    OpenAI · Proprietary
    24.8%$11.25
    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 HLE right now?

    As of August 20, 2026, Claude Opus 5 by Anthropic is #1 for HLE at 64.7%. Ranked by Humanity's Last Exam: 2,500 expert questions designed so search engines fail. This board also tracks HLE. Next on the same board: Claude Mythos Preview and Claude Fable 5. This hle leaderboard ranks models by HLE. Scores come from public evals. Prices are the live API rates in the table above.

    Sources: Humanity's Last Exam (https://agi.safe.ai/); 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 hle. Ranked by Humanity's Last Exam: 2,500 expert questions designed so search engines fail. Input and output are dollars per million tokens.
    RankModelHLEInput /MOutput /M
    1Claude Opus 564.7%$5.00$25.00
    2Claude Mythos Preview64.7%$10.00$50.00
    3Claude Fable 564.5%$10.00$50.00
    4GLM-5.362.5%$1.40$4.40
    5Muse Spark 1.162.1%$1.25$4.25
    6DeepSeek-V4-Pro-081360%$1.32$3.96
    7Claude Opus 4.857.9%$5.00$25.00
    8Claude Sonnet 557.4%$2.00$10.00

    HLE FAQ

    Who ranks #1 on the HLE leaderboard?

    As of August 20, 2026, Claude Opus 5 by Anthropic ranks #1 on HLE at 64.7%. API pricing is $5.00/M input and $25.00/M output.

    What are the top models on HLE?

    The current HLE ranking as of August 20, 2026 is 1. Claude Opus 5 at 64.7%; 2. Claude Mythos Preview at 64.7%; 3. Claude Fable 5 at 64.5%.

    Which hle model is the cheapest?

    Nemotron 3.5 Lightning (30B A3B) is the cheapest scored model on this hle leaderboard at $0.05/M input and $0.20/M output ($0.25 blended). Claude Opus 5 still leads HLE at 64.7%.

    Should I always pick the #1 HLE model?

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

    How often is the HLE 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 HLE?

    Humanity's Last Exam — an extremely difficult benchmark of expert-level questions across all academic disciplines. This page ranks models that have published a HLE score, with live API token prices on the same row. Official methodology: Humanity's Last Exam (https://agi.safe.ai/).

    Where is the HLE leaderboard?

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

    The official Humanity's Last Exam page owns the methodology. This page keeps the published HLE score next to live API $/M so you can pick a production SKU, not only a trophy number. Source: https://agi.safe.ai/