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    Arc C

    🏆 Leaderboard

    As of August 20, 2026, MiMo-V2.5-Pro is #1 for Arc C at 97.2%. Ranked by the Arc C score 21 models in this index have a published Arc C score. Arc C leaderboard: rank models by Arc C next to live API token prices.

    Updated August 20, 2026282 models33 providers
    MiMo-V2.5-ProOSS
    Xiaomi · Open Source
    		97.2%$1.30
    Llama 3.1 405B InstructOSS
    Meta · Open Source
    		96.9%$1.78
    Claude 3 Opus
    Anthropic · Proprietary
    		96.4%$90.00
    Nova Pro
    Amazon · Proprietary
    		94.8%$4.00
    Llama 3.1 70B InstructOSS
    Meta · Open Source
    		94.8%$0.40
    Claude 3 Sonnet
    Anthropic · Proprietary
    		93.2%$18.00
    Jamba 1.5 LargeOSS
    AI21 Labs · Open Source
    		93%$10.00
    Nova Lite
    Amazon · Proprietary
    		92.4%$0.30
    Nova Micro
    Amazon · Proprietary
    		90.2%$0.17
    Claude 3 Haiku
    Anthropic · Proprietary
    		89.2%$1.50
    Jamba 1.5 MiniOSS
    AI21 Labs · Open Source
    		85.7%$0.60
    Phi-3.5-mini-instructOSS
    Microsoft · Open Source
    		84.6%$0.20
    Phi 4 MiniOSS
    Microsoft · Open Source · via OpenRouter
    		83.7%$0.43
    Llama 3.1 8B InstructOSS
    Meta · Open Source
    		83.4%$0.06
    Llama 3.2 3B InstructOSS
    Meta · Open Source
    		78.6%$0.03lowest
    Ministral 8B InstructOSS
    Mistral · Open Source · via Mistral AI
    		71.9%$0.20
    Gemma 2 27BOSS
    Google · Open Source · via OpenRouter
    		71.4%$1.30
    Command R+OSS
    Cohere · Open Source
    		71.0%$1.25
    Qwen2.5-Coder 32B InstructOSS
    Qwen · Open Source
    		70.5%$0.18
    Hermes 3 70BOSS
    Nous Research · Open Source
    		65.5%$1.75
    ERNIE 4.5
    Baidu · Proprietary
    		40.6%$4.40
    ChatGPT-4o Latest
    OpenAI · Proprietary
    		—$12.50
    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
    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
    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 Arc C right now?

    As of August 20, 2026, MiMo-V2.5-Pro by Xiaomi is #1 for Arc C at 97.2%. Ranked by the Arc C score This board also tracks Arc C. Next on the same board: Llama 3.1 405B Instruct and Claude 3 Opus. This arc c leaderboard ranks models by Arc C. 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 arc c. Ranked by the Arc C score Input and output are dollars per million tokens.
    RankModelArc CInput /MOutput /M
    1MiMo-V2.5-Pro97.2%$0.43$0.87
    2Llama 3.1 405B Instruct96.9%$0.89$0.89
    3Claude 3 Opus96.4%$15.00$75.00
    4Nova Pro94.8%$0.80$3.20
    5Llama 3.1 70B Instruct94.8%$0.20$0.20
    6Claude 3 Sonnet93.2%$3.00$15.00
    7Jamba 1.5 Large93%$2.00$8.00
    8Nova Lite92.4%$0.06$0.24

    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

    Arc C FAQ

    Who ranks #1 on the Arc C leaderboard?

    As of August 20, 2026, MiMo-V2.5-Pro by Xiaomi ranks #1 on Arc C at 97.2%. API pricing is $0.43/M input and $0.87/M output.

    What are the top models on Arc C?

    The current Arc C ranking as of August 20, 2026 is 1. MiMo-V2.5-Pro at 97.2%; 2. Llama 3.1 405B Instruct at 96.9%; 3. Claude 3 Opus at 96.4%.

    Which arc c model is the cheapest?

    Llama 3.2 3B Instruct is the cheapest scored model on this arc c leaderboard at $0.01/M input and $0.02/M output ($0.03 blended). MiMo-V2.5-Pro still leads Arc C at 97.2%.

    Should I always pick the #1 Arc C model?

    Not automatically. MiMo-V2.5-Pro leads Arc C, but a cheaper scored model can be the better production choice if the quality gap is small. Use the table to weigh Arc C against input/output price, context window, and related evals.

    How often is the Arc C 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 Arc C?

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

    Where is the Arc C leaderboard?

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

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