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    Longbench V2

    🏆 Leaderboard

    As of August 20, 2026, Qwen3.8 Max is #1 for Longbench V2 at 66.3%. Ranked by the Longbench V2 score 12 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 20, 2026282 models33 providers
    Qwen3.8 MaxOSS
    Qwen · Open Source
    		66.3%$8.00
    Qwen3.5-397B-A17BOSS
    Qwen · Open Source
    		63.2%$4.20
    Qwen3.6 Plus
    Qwen · Proprietary
    		62%$3.50
    Nemotron 3 Ultra (550B A55B)OSS
    NVIDIA · Open Source · via OpenRouter
    		61.9%$2.70
    MiniMax M1 80KOSS
    MiniMax · Open Source
    		61.5%$2.75
    Kimi K2.5OSS
    Moonshot AI · Open Source
    		61%$3.68
    Qwen3.5-27BOSS
    Qwen · Open Source
    		60.6%$2.70
    MiMo-V2-FlashOSS
    Xiaomi · Open Source
    		60.6%$0.40
    Qwen3.5-122B-A10BOSS
    Qwen · Open Source
    		60.2%$3.60
    Qwen3.5-35B-A3BOSS
    Qwen · Open Source
    		59%$2.25
    Qwen3.5-9BOSS
    Qwen · Open Source · via OpenRouter
    		55.2%$0.25
    DeepSeek-V3OSS
    DeepSeek · Open Source
    		48.7%$1.37
    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-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
    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 Longbench V2 right now?

    As of August 20, 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
    6Kimi K2.561%$0.59$3.09
    7Qwen3.5-27B60.6%$0.30$2.40
    8MiMo-V2-Flash60.6%$0.10$0.30

    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

    Longbench V2 FAQ

    Who ranks #1 on the Longbench V2 leaderboard?

    As of August 20, 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 20, 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?

    Qwen3.5-9B is the cheapest scored model on this longbench v2 leaderboard at $0.10/M input and $0.15/M output ($0.25 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 20, 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.