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    Imo Answerbench

    🏆 Leaderboard

    As of August 20, 2026, Nemotron 3 Ultra (550B A55B) is #1 for Imo Answerbench at 92.3%. Ranked by the Imo Answerbench score 20 models in this index have a published Imo Answerbench score. Imo Answerbench leaderboard: rank models by Imo Answerbench next to live API token prices.

    Updated August 20, 2026282 models33 providers
    Nemotron 3 Ultra (550B A55B)OSS
    NVIDIA · Open Source · via OpenRouter
    		92.3%$2.70
    GLM-5.2OSS
    Z AI · Open Source
    		91%$5.80
    Qwen3.7 Max
    Qwen · Proprietary
    		90%$5.00
    Hy3OSS
    Tencent · Open Source
    		90%$0.66
    DeepSeek-V4-Pro-MaxOSS
    DeepSeek · Open Source
    		89.8%$5.22
    DeepSeek-V4-Flash-MaxOSS
    DeepSeek · Open Source
    		88.4%$0.42
    Qwen3.7-Plus
    Qwen · Proprietary
    		86%$1.60
    Kimi K2.6OSS
    Moonshot AI · Open Source
    		86%$4.93
    Step-3.5-FlashOSS
    StepFun · Open Source
    		85.4%$0.50
    DeepSeek-V4-Flash-0423OSS
    DeepSeek · Open Source
    		85.1%$0.30
    Qwen3.6 Plus
    Qwen · Proprietary
    		83.8%$3.50
    GLM-5.1OSS
    Z AI · Open Source
    		83.8%$5.80
    GLM-4.7OSS
    Z AI · Open Source
    		82%$2.80
    Kimi K2.5OSS
    Moonshot AI · Open Source
    		81.8%$3.68
    Qwen3.5-397B-A17BOSS
    Qwen · Open Source
    		80.9%$4.20
    Qwen3.6-27BOSS
    Qwen · Open Source
    		80.8%$4.20
    Qwen3.6-35B-A3BOSS
    Qwen · Open Source · via OpenRouter
    		78.9%$1.14
    LongCat-Flash-Thinking-2601OSS
    Meituan · Open Source
    		78.6%$1.50
    Kimi K2-Thinking-0905OSS
    Moonshot AI · Open Source
    		78.6%$2.47
    DeepSeek-V3.2OSS
    DeepSeek · Open Source · via OpenRouter
    		78.3%$0.57
    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
    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 Imo Answerbench right now?

    As of August 20, 2026, Nemotron 3 Ultra (550B A55B) by NVIDIA is #1 for Imo Answerbench at 92.3%. Ranked by the Imo Answerbench score This board also tracks Imo Answerbench. Next on the same board: GLM-5.2 and Hy3. This imo answerbench leaderboard ranks models by Imo Answerbench. 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 imo answerbench. Ranked by the Imo Answerbench score Input and output are dollars per million tokens.
    RankModelImo AnswerbenchInput /MOutput /M
    1Nemotron 3 Ultra (550B A55B)92.3%$0.50$2.20
    2GLM-5.291%$1.40$4.40
    3Hy390%$0.13$0.53
    4Qwen3.7 Max90%$1.25$3.75
    5DeepSeek-V4-Pro-Max89.8%$1.74$3.48
    6DeepSeek-V4-Flash-Max88.4%$0.14$0.28
    7Qwen3.7-Plus86%$0.32$1.28
    8Kimi K2.686%$0.96$3.97

    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

    Imo Answerbench FAQ

    Who ranks #1 on the Imo Answerbench leaderboard?

    As of August 20, 2026, Nemotron 3 Ultra (550B A55B) by NVIDIA ranks #1 on Imo Answerbench at 92.3%. API pricing is $0.50/M input and $2.20/M output.

    What are the top models on Imo Answerbench?

    The current Imo Answerbench ranking as of August 20, 2026 is 1. Nemotron 3 Ultra (550B A55B) at 92.3%; 2. GLM-5.2 at 91%; 3. Hy3 at 90%.

    Which imo answerbench model is the cheapest?

    DeepSeek-V4-Flash-0423 is the cheapest scored model on this imo answerbench leaderboard at $0.10/M input and $0.20/M output ($0.30 blended). Nemotron 3 Ultra (550B A55B) still leads Imo Answerbench at 92.3%.

    Should I always pick the #1 Imo Answerbench model?

    Not automatically. Nemotron 3 Ultra (550B A55B) leads Imo Answerbench, but a cheaper scored model can be the better production choice if the quality gap is small. Use the table to weigh Imo Answerbench against input/output price, context window, and related evals.

    How often is the Imo Answerbench 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 Imo Answerbench?

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

    Where is the Imo Answerbench leaderboard?

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

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