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    Facts Grounding

    🏆 Leaderboard

    As of August 20, 2026, Gemini 2.5 Pro Preview 06-05 is #1 for Facts Grounding at 87.8%. Ranked by the Facts Grounding score 12 models in this index have a published Facts Grounding score. Facts Grounding leaderboard: rank models by Facts Grounding next to live API token prices.

    Updated August 20, 2026282 models33 providers
    Gemini 2.5 Pro Preview 06-05
    Google · Proprietary
    		87.8%$11.25
    Gemini 2.5 Flash
    Google · Proprietary
    		85.3%$2.80
    Gemini 2.5 Flash-LiteOSS
    Google · Open Source
    		84.1%$0.50
    Gemini 2.0 Flash-Lite
    Google · Proprietary
    		83.6%$0.37
    Gemini 2.0 Flash
    Google · Proprietary
    		83.6%$0.50
    Gemma 3 12BOSS
    Google · Open Source
    		75.8%$0.15
    Gemma 3 27BOSS
    Google · Open Source
    		74.9%$0.30
    Gemini 3 Pro
    Google · Proprietary
    		70.5%$14.00
    Gemma 3 4BOSS
    Google · Open Source
    		70.1%$0.06
    Gemini 3 Flash
    Google · Proprietary
    		61.9%$3.50
    GLM-5V-TurboOSS
    Z AI · Open Source
    		58.6%$5.20
    Gemini 3.1 Flash-Lite
    Google · Proprietary
    		40.6%$1.75
    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
    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 Facts Grounding right now?

    As of August 20, 2026, Gemini 2.5 Pro Preview 06-05 by Google is #1 for Facts Grounding at 87.8%. Ranked by the Facts Grounding score This board also tracks Facts Grounding. Next on the same board: Gemini 2.5 Flash and Gemini 2.5 Flash-Lite. This facts grounding leaderboard ranks models by Facts Grounding. 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 facts grounding. Ranked by the Facts Grounding score Input and output are dollars per million tokens.
    RankModelFacts GroundingInput /MOutput /M
    1Gemini 2.5 Pro Preview 06-0587.8%$1.25$10.00
    2Gemini 2.5 Flash85.3%$0.30$2.50
    3Gemini 2.5 Flash-Lite84.1%$0.10$0.40
    4Gemini 2.0 Flash-Lite83.6%$0.07$0.30
    5Gemini 2.0 Flash83.6%$0.10$0.40
    6Gemma 3 12B75.8%$0.05$0.10
    7Gemma 3 27B74.9%$0.10$0.20
    8Gemini 3 Pro70.5%$2.00$12.00

    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

    Facts Grounding FAQ

    Who ranks #1 on the Facts Grounding leaderboard?

    As of August 20, 2026, Gemini 2.5 Pro Preview 06-05 by Google ranks #1 on Facts Grounding at 87.8%. API pricing is $1.25/M input and $10.00/M output.

    What are the top models on Facts Grounding?

    The current Facts Grounding ranking as of August 20, 2026 is 1. Gemini 2.5 Pro Preview 06-05 at 87.8%; 2. Gemini 2.5 Flash at 85.3%; 3. Gemini 2.5 Flash-Lite at 84.1%.

    Which facts grounding model is the cheapest?

    Gemma 3 4B is the cheapest scored model on this facts grounding leaderboard at $0.02/M input and $0.04/M output ($0.06 blended). Gemini 2.5 Pro Preview 06-05 still leads Facts Grounding at 87.8%.

    Should I always pick the #1 Facts Grounding model?

    Not automatically. Gemini 2.5 Pro Preview 06-05 leads Facts Grounding, but a cheaper scored model can be the better production choice if the quality gap is small. Use the table to weigh Facts Grounding against input/output price, context window, and related evals.

    How often is the Facts Grounding 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 Facts Grounding?

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

    Where is the Facts Grounding leaderboard?

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

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