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    Aa Omniscience Index

    🏆 Leaderboard

    As of August 20, 2026, Grok 4.5 is #1 for Aa Omniscience Index at 63%. Ranked by the Aa Omniscience Index score 1 models in this index have a published Aa Omniscience Index score. Aa Omniscience Index leaderboard: rank models by Aa Omniscience Index next to live API token prices.

    Updated August 20, 2026282 models33 providers
    Grok 4.5
    xAI · Proprietary
    		63%$8.00
    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
    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
    DeepSeek-V4-Flash-0731OSS
    DeepSeek · Open Source
    		—$1.76
    DeepSeek-V4-Flash-MaxOSS
    DeepSeek · Open Source
    		—$0.42
    DeepSeek-V4-Pro-0813OSS
    DeepSeek · Open Source
    		—$5.28
    DeepSeek-V4-Pro-MaxOSS
    DeepSeek · Open Source
    		—$5.22
    Devstral Medium
    Mistral · Proprietary · via Mistral AI
    		—$2.40
    Devstral Small 1.1OSS
    Mistral · Open Source · via Mistral AI
    		—$0.40
    ERNIE 4.5
    Baidu · Proprietary
    		—$4.40
    Gemini 1.0 Pro
    Google · Proprietary
    		—$2.00
    Gemini 1.5 Flash
    Google · Proprietary
    		—$0.75
    Gemini 1.5 Flash 8B
    Google · Proprietary
    		—$0.37
    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 Aa Omniscience Index right now?

    As of August 20, 2026, Grok 4.5 by xAI is #1 for Aa Omniscience Index at 63%. Ranked by the Aa Omniscience Index score This board also tracks Aa Omniscience Index. This aa omniscience index leaderboard ranks models by Aa Omniscience Index. 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 1 for aa omniscience index. Ranked by the Aa Omniscience Index score Input and output are dollars per million tokens.
    RankModelAa Omniscience IndexInput /MOutput /M
    1Grok 4.563%$2.00$6.00

    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

    Aa Omniscience Index FAQ

    Who ranks #1 on the Aa Omniscience Index leaderboard?

    As of August 20, 2026, Grok 4.5 by xAI ranks #1 on Aa Omniscience Index at 63%. API pricing is $2.00/M input and $6.00/M output.

    Which aa omniscience index model is the cheapest?

    Grok 4.5 currently leads Aa Omniscience Index and is also the cheapest scored model on this page, at $2.00/M input and $6.00/M output ($8.00 blended).

    Should I always pick the #1 Aa Omniscience Index model?

    Not automatically. Grok 4.5 leads Aa Omniscience Index, but a cheaper scored model can be the better production choice if the quality gap is small. Use the table to weigh Aa Omniscience Index against input/output price, context window, and related evals.

    How often is the Aa Omniscience Index 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 Aa Omniscience Index?

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

    Where is the Aa Omniscience Index leaderboard?

    This page is the Aa Omniscience Index leaderboard. Models are sorted by Aa Omniscience Index, 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 Aa Omniscience Index ranking different from the official board?

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