Hallusion Bench

    🏆 Leaderboard

    As of August 20, 2026, Qwen3.5-27B is #1 for Hallusion Bench at 70%. Ranked by the Hallusion Bench score 14 models in this index have a published Hallusion Bench score. Hallusion Bench leaderboard: rank models by Hallusion Bench next to live API token prices.

    Updated August 20, 2026282 models33 providers
    Qwen3.5-27BOSS
    Qwen · Open Source
    70%$2.70
    Qwen3.6-35B-A3BOSS
    Qwen · Open Source · via OpenRouter
    69.8%$1.14
    Qwen3.5-35B-A3BOSS
    Qwen · Open Source
    67.9%$2.25
    Qwen3.5-122B-A10BOSS
    Qwen · Open Source
    67.6%$3.60
    Qwen3 VL 235B A22B ThinkingOSS
    Qwen · Open Source
    66.7%$3.94
    Qwen3 VL 30B A3B ThinkingOSS
    Qwen · Open Source
    66%$1.20
    Qwen3 VL 8B ThinkingOSS
    Qwen · Open Source
    65.4%$2.27
    Qwen3 VL 4B ThinkingOSS
    Qwen · Open Source
    64.1%$1.10
    Qwen3 VL 32B InstructOSS
    Qwen · Open Source · via OpenRouter
    63.8%$0.52
    Qwen3 VL 235B A22B InstructOSS
    Qwen · Open Source
    63.2%$1.79
    Qwen3 VL 30B A3B InstructOSS
    Qwen · Open Source
    61.5%$0.90
    Qwen3 VL 8B InstructOSS
    Qwen · Open Source
    61.1%$0.58
    Qwen3 VL 4B InstructOSS
    Qwen · Open Source
    57.6%$0.70
    Qwen2.5 VL 72B InstructOSS
    Qwen · Open Source · via OpenRouter
    55.2%$1.80
    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
    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 Hallusion Bench right now?

    As of August 20, 2026, Qwen3.5-27B by Qwen is #1 for Hallusion Bench at 70%. Ranked by the Hallusion Bench score This board also tracks Hallusion Bench. Next on the same board: Qwen3.6-35B-A3B and Qwen3.5-35B-A3B. This hallusion bench leaderboard ranks models by Hallusion Bench. 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 hallusion bench. Ranked by the Hallusion Bench score Input and output are dollars per million tokens.
    RankModelHallusion BenchInput /MOutput /M
    1Qwen3.5-27B70%$0.30$2.40
    2Qwen3.6-35B-A3B69.8%$0.14$1.00
    3Qwen3.5-35B-A3B67.9%$0.25$2.00
    4Qwen3.5-122B-A10B67.6%$0.40$3.20
    5Qwen3 VL 235B A22B Thinking66.7%$0.45$3.49
    6Qwen3 VL 30B A3B Thinking66%$0.20$1.00
    7Qwen3 VL 8B Thinking65.4%$0.18$2.09
    8Qwen3 VL 4B Thinking64.1%$0.10$1.00

    Hallusion Bench FAQ

    Who ranks #1 on the Hallusion Bench leaderboard?

    As of August 20, 2026, Qwen3.5-27B by Qwen ranks #1 on Hallusion Bench at 70%. API pricing is $0.30/M input and $2.40/M output.

    What are the top models on Hallusion Bench?

    The current Hallusion Bench ranking as of August 20, 2026 is 1. Qwen3.5-27B at 70%; 2. Qwen3.6-35B-A3B at 69.8%; 3. Qwen3.5-35B-A3B at 67.9%.

    Which hallusion bench model is the cheapest?

    Qwen3 VL 32B Instruct is the cheapest scored model on this hallusion bench leaderboard at $0.10/M input and $0.42/M output ($0.52 blended). Qwen3.5-27B still leads Hallusion Bench at 70%.

    Should I always pick the #1 Hallusion Bench model?

    Not automatically. Qwen3.5-27B leads Hallusion Bench, but a cheaper scored model can be the better production choice if the quality gap is small. Use the table to weigh Hallusion Bench against input/output price, context window, and related evals.

    How often is the Hallusion Bench 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 Hallusion Bench?

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

    Where is the Hallusion Bench leaderboard?

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

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