Longbench V2

    ๐Ÿ† Leaderboard

    As of August 31, 2026, Qwen3.8 Max is #1 for Longbench V2 at 66.3%. Ranked by the Longbench V2 score 17 models in this index have a published Longbench V2 score. Longbench V2 leaderboard: rank models by Longbench V2 next to live API token prices.

    Updated August 31, 2026345 models36 providers

    Longbench V2 vs price

    17 models. Left is cheaper. Up is a higher score. The line is the best score you can buy at each price โ€” a dot under it is a worse deal than something on the line.

    Best score at each price#1 on this board
    Qwen3.8 MaxOSS
    Qwen ยท Open Source
    66.3%$8.00
    Qwen3.5-397B-A17BOSS
    Qwen ยท Open Source
    63.2%$4.20
    Qwen3.6 Plus
    Qwen ยท Proprietary
    62%$3.50
    Nemotron 3 Ultra (550B A55B)OSS
    NVIDIA ยท Open Source ยท via OpenRouter
    61.9%$2.70
    MiniMax M1 80KOSS
    MiniMax ยท Open Source
    61.5%$2.75
    MiniMax M1 40KOSS
    MiniMax ยท Open Source ยท via OpenRouter
    61%$2.75
    MAI-Thinking-1
    Microsoft ยท Proprietary
    61%$0.75
    Kimi K2.5OSS
    Moonshot AI ยท Open Source
    61%$3.68
    Qwen3.5-27BOSS
    Qwen ยท Open Source
    60.6%$2.70
    MiMo-V2-FlashOSS
    Xiaomi ยท Open Source
    60.6%$0.40
    Qwen3.5-122B-A10BOSS
    Qwen ยท Open Source
    60.2%$3.60
    Qwen3.5-35B-A3BOSS
    Qwen ยท Open Source
    59%$2.25
    Qwen3.5-9BOSS
    Qwen ยท Open Source ยท via OpenRouter
    55.2%$0.25
    Qwen3.5-4BOSS
    Qwen ยท Open Source
    50%$0.20
    DeepSeek-V3OSS
    DeepSeek ยท Open Source
    48.7%$1.37
    Qwen3.5-2BOSS
    Qwen ยท Open Source
    38.7%$0.16
    Qwen3.5-0.8BOSS
    Qwen ยท Open Source
    26.1%$0.13
    ChatGPT-4o Latest
    OpenAI ยท Proprietary
    โ€”$12.50
    Claude 3 Haiku
    Anthropic ยท Proprietary
    โ€”$1.50
    Claude 3 Opus
    Anthropic ยท Proprietary
    โ€”$90.00
    Claude 3 Sonnet
    Anthropic ยท Proprietary
    โ€”$18.00
    Claude 3.5 Haiku
    Anthropic ยท Proprietary
    โ€”$4.80
    Claude 3.5 Sonnet
    Anthropic ยท Proprietary
    โ€”$18.00
    Claude 3.5 Sonnet
    Anthropic ยท Proprietary
    โ€”$18.00
    Claude 3.7 Sonnet
    Anthropic ยท Proprietary
    โ€”$18.00
    Claude Fable 5
    Anthropic ยท Proprietary
    โ€”$60.00
    Claude Haiku 4.5
    Anthropic ยท Proprietary
    โ€”$6.00
    Claude Mythos 5
    Anthropic ยท Proprietary
    โ€”$60.00
    Claude Mythos Preview
    Anthropic ยท Proprietary
    โ€”$60.00
    Claude Opus 4
    Anthropic ยท Proprietary
    โ€”$90.00
    Claude Opus 4.1
    Anthropic ยท Proprietary
    โ€”$90.00
    Claude Opus 4.5
    Anthropic ยท Proprietary
    โ€”$30.00
    Claude Opus 4.6
    Anthropic ยท Proprietary
    โ€”$30.00
    Claude Opus 4.7
    Anthropic ยท Proprietary
    โ€”$30.00
    Claude Opus 4.8
    Anthropic ยท Proprietary
    โ€”$30.00
    Claude Opus 5
    Anthropic ยท Proprietary
    โ€”$30.00
    Claude Sonnet 4
    Anthropic ยท Proprietary
    โ€”$18.00
    Claude Sonnet 4.5
    Anthropic ยท Proprietary
    โ€”$18.00
    Claude Sonnet 4.6
    Anthropic ยท Proprietary
    โ€”$18.00
    Claude Sonnet 5
    Anthropic ยท Proprietary
    โ€”$12.00
    Codestral-22BOSS
    Mistral ยท Open Source ยท via Mistral AI
    โ€”$1.20
    Command A+OSS
    Cohere ยท Open Source
    โ€”$12.50
    Command R+OSS
    Cohere ยท Open Source
    โ€”$1.25
    Composer 2
    Cursor ยท Proprietary
    โ€”$3.00
    Composer 2 Fast
    Cursor ยท Proprietary
    โ€”$9.00
    DeepSeek R1 Distill Llama 70BOSS
    DeepSeek ยท Open Source
    โ€”$0.50
    DeepSeek R1 Distill Qwen 32BOSS
    DeepSeek ยท Open Source
    โ€”$0.30
    DeepSeek VL2OSS
    DeepSeek ยท Open Source ยท via Replicate
    โ€”$2.80
    DeepSeek VL2 SmallOSS
    DeepSeek ยท Open Source ยท via Replicate
    โ€”$1.70
    DeepSeek VL2 TinyOSS
    DeepSeek ยท Open Source ยท via Replicate
    โ€”$0.90
    Showing 1โ€“50 of 345 models

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    The index

    All Large Language Models

    345 models across 36 providers. Search or jump to a lab โ€” every model page stays linked here.

    Baidu

    2 models

    Inception

    1 models

    inclusionAI

    1 models

    LG AI Research

    1 models

    Liquid AI

    2 models

    Nous Research

    1 models

    OpenBMB

    1 models

    Sakana AI

    1 models

    Sarvam AI

    2 models

    Tencent

    1 models

    Thinking Machines

    1 models

    Unisound

    1 models

    Upstage

    1 models

    Which model leads Longbench V2 right now?

    As of August 31, 2026, Qwen3.8 Max by Qwen is #1 for Longbench V2 at 66.3%. Ranked by the Longbench V2 score This board also tracks Longbench V2. Next on the same board: Qwen3.5-397B-A17B and Qwen3.6 Plus. This longbench v2 leaderboard ranks models by Longbench V2. 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 longbench v2. Ranked by the Longbench V2 score Input and output are dollars per million tokens.
    RankModelLongbench V2Input /MOutput /M
    1Qwen3.8 Max66.3%$2.00$6.00
    2Qwen3.5-397B-A17B63.2%$0.60$3.60
    3Qwen3.6 Plus62%$0.50$3.00
    4Nemotron 3 Ultra (550B A55B)61.9%$0.50$2.20
    5MiniMax M1 80K61.5%$0.55$2.20
    6MAI-Thinking-161%$0.15$0.60
    7Kimi K2.561%$0.59$3.09
    8MiniMax M1 40K61%$0.55$2.20

    Longbench V2 FAQ

    Who ranks #1 on the Longbench V2 leaderboard?

    As of August 31, 2026, Qwen3.8 Max by Qwen ranks #1 on Longbench V2 at 66.3%. API pricing is $2.00/M input and $6.00/M output.

    What are the top models on Longbench V2?

    The current Longbench V2 ranking as of August 31, 2026 is 1. Qwen3.8 Max at 66.3%; 2. Qwen3.5-397B-A17B at 63.2%; 3. Qwen3.6 Plus at 62%.

    Which longbench v2 model is the cheapest?

    Qwen3.5-0.8B is the cheapest scored model on this longbench v2 leaderboard at $0.05/M input and $0.08/M output ($0.13 blended). Qwen3.8 Max still leads Longbench V2 at 66.3%.

    Should I always pick the #1 Longbench V2 model?

    Not automatically. Qwen3.8 Max leads Longbench V2, but a cheaper scored model can be the better production choice if the quality gap is small. Use the table to weigh Longbench V2 against input/output price, context window, and related evals.

    How often is the Longbench V2 leaderboard updated?

    Scores and API prices on this page are refreshed from published evals and provider rates. The snapshot is labeled August 31, 2026. Treat it as a current index, not a one-off blog post.

    What is Longbench V2?

    Longbench V2 is a public LLM eval (the Longbench V2 score). This page ranks models that have published a score, next to live API prices.

    Where is the Longbench V2 leaderboard?

    This page is the Longbench V2 leaderboard. Models are sorted by Longbench V2, 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 Longbench V2 ranking different from the official board?

    Official eval pages own the methodology. This page keeps the published Longbench V2 score next to live API $/M so you can pick a production SKU, not only a trophy number.