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knowledge factuality benchmark

AA Omniscience Accuracy Leaderboard

omniscienceBreakdown.accuracy; original accuracy, not index or 1 - hallucinationRate

Updated Sep 22, 2026

Models100
Model coverage201
Metricomniscience-accuracy
EvidenceB

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AA Omniscience Accuracy Ranking

Higher omniscience-accuracy ranks better on this benchmark.

30 of 100 rows
Columns

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Rank
Model
omniscience-accuracy
Percentile
Participants
Evidence
Evaluated
Rank01ModelANClaude Fable 5.1Anthropicomniscience-accuracy67.23%Percentile100.00%Participants201EvidenceBEvaluatedN/A
Rank02ModelANClaude Fable 5Anthropicomniscience-accuracy65.35%Percentile99.50%Participants201EvidenceBEvaluatedN/A
Rank03ModelOPGPT-6 AstraOpenAIomniscience-accuracy62.60%Percentile99.00%Participants201EvidenceBEvaluatedN/A
Rank04ModelANClaude Opus 5Anthropicomniscience-accuracy60.87%Percentile98.50%Participants201EvidenceBEvaluatedN/A
Rank05ModelOPGPT-5.6 SolOpenAIomniscience-accuracy59.40%Percentile98.00%Participants201EvidenceBEvaluatedN/A
Rank06ModelOPGPT-5.5OpenAIomniscience-accuracy57.95%Percentile97.50%Participants201EvidenceBEvaluatedN/A
Rank07ModelGOGemini 3 ProGoogleomniscience-accuracy55.75%Percentile97.00%Participants201EvidenceBEvaluatedN/A
Rank08ModelGOGemini 3.7 FlashGoogleomniscience-accuracy55.32%Percentile96.50%Participants201EvidenceBEvaluatedN/A
Rank09ModelGOGemini 3.1 ProGoogleomniscience-accuracy54.85%Percentile96.00%Participants201EvidenceBEvaluatedN/A
Rank10ModelGOGemini 3.8 FlashGoogleomniscience-accuracy54.60%Percentile95.50%Participants201EvidenceBEvaluatedN/A
Rank11ModelGOGemini 3 FlashGoogleomniscience-accuracy53.43%Percentile95.00%Participants201EvidenceBEvaluatedN/A
Rank12ModelOPGPT-5.3 CodexOpenAIomniscience-accuracy52.88%Percentile94.50%Participants201EvidenceBEvaluatedN/A
Rank13ModelMEMuse Spark 1.1Metaomniscience-accuracy52.05%Percentile94.00%Participants201EvidenceBEvaluatedN/A
Rank14ModelXAGrok 4.5xAIomniscience-accuracy51.55%Percentile93.50%Participants201EvidenceBEvaluatedN/A
Rank15ModelGOGemini 3.5 FlashGoogleomniscience-accuracy51.40%Percentile93.00%Participants201EvidenceBEvaluatedN/A
Rank16ModelOPGPT-5.4OpenAIomniscience-accuracy50.85%Percentile92.50%Participants201EvidenceBEvaluatedN/A
Rank17ModelGOGemini 3.6 FlashGoogleomniscience-accuracy49.97%Percentile92.00%Participants201EvidenceBEvaluatedN/A
Rank18ModelMEMuse SparkMetaomniscience-accuracy49.60%Percentile91.50%Participants201EvidenceBEvaluatedN/A
Rank19ModelDEDeepSeek-V4-Pro-0813DeepSeekomniscience-accuracy49.10%Percentile91.00%Participants201EvidenceBEvaluatedN/A
Rank20ModelANClaude Opus 4.7Anthropicomniscience-accuracy48.88%Percentile90.50%Participants201EvidenceBEvaluatedN/A
Rank21ModelANClaude Opus 4.8Anthropicomniscience-accuracy48.83%Percentile90.00%Participants201EvidenceBEvaluatedN/A
Rank22ModelXAGrok 4.6xAIomniscience-accuracy48.23%Percentile89.50%Participants201EvidenceBEvaluatedN/A
Rank23ModelMAKimi K3Moonshot AIomniscience-accuracy47.58%Percentile89.00%Participants201EvidenceBEvaluatedN/A
Rank24ModelOPGPT-5.6 TerraOpenAIomniscience-accuracy46.80%Percentile88.50%Participants201EvidenceBEvaluatedN/A
Rank25ModelANClaude Opus 4.5Anthropicomniscience-accuracy46.58%Percentile88.00%Participants201EvidenceBEvaluatedN/A
Rank26ModelDEDeepSeek-V4.1-FlashDeepSeekomniscience-accuracy46.40%Percentile87.50%Participants201EvidenceBEvaluatedN/A
Rank27ModelANClaude Opus 4.6Anthropicomniscience-accuracy45.78%Percentile87.00%Participants201EvidenceBEvaluatedN/A
Rank28ModelMEMuse Spark 1.2Metaomniscience-accuracy45.38%Percentile86.50%Participants201EvidenceBEvaluatedN/A
Rank29ModelMEMuse Spark 1.3Metaomniscience-accuracy43.58%Percentile86.00%Participants201EvidenceBEvaluatedN/A
Rank30ModelOPGPT-5.6 LunaOpenAIomniscience-accuracy42.73%Percentile85.50%Participants201EvidenceBEvaluatedN/A

AA Omniscience Accuracy Highlights

The leading models and scores on this benchmark.

AA Omniscience Accuracy Score Distribution

A closer view of the leading scores on this benchmark.

AA Omniscience Accuracy

The Top AI Models for AA Omniscience Accuracy

The first five results on this benchmark, with official price and output speed added where the model identity can be matched.

What is AA Omniscience Accuracy?

What AA Omniscience Accuracy measures and how its scores work.

omniscienceBreakdown.accuracy; original accuracy, not index or 1 - hallucinationRate

Scores are shown in ratio. This benchmark is verified and has an evidence level of B.

Family
omniscience
Modality
text
Primary category
knowledge factuality
Score direction
higher
LLMBoard eligible
Yes
Evaluation key
overall

Artificial Analysis. Benchmark scores retain their original unit. Overall score eligibility is shown separately.

FAQ

Common questions about AA Omniscience Accuracy.

Which model scores highest on AA Omniscience Accuracy?

Claude Fable 5.1 is currently ranked first with 67.23%.

What are the top three models on AA Omniscience Accuracy?

The current leaders are Claude Fable 5.1 (67.23%), Claude Fable 5 (65.35%), and GPT-6 Astra (62.60%).

Which AA Omniscience Accuracy model has the lowest official input price?

Step-3.5-Flash has the lowest matched official input price at $0.10 input / $0.30 output per 1M tokens.

Which models are fastest among AA Omniscience Accuracy results?

The fastest matched records are GPT-5 mini (348.85 tok/s via OpenAI), Llama 4 Maverick (307.30 tok/s via Groq), and MiniMax M2.5 (250.50 tok/s via MiniMax).

Does the highest omniscience-accuracy result prove overall model quality?

No. This benchmark measures one defined capability or task. The overall LLMBoard score uses a separate aggregation across eligible benchmark evidence.

What does AA Omniscience Accuracy measure?

omniscienceBreakdown.accuracy; original accuracy, not index or 1 - hallucinationRate

Is a higher omniscience-accuracy better?

Yes. Higher values rank better for this benchmark.

How many models are compared?

100 model results are currently shown.

Does this benchmark affect the overall score?

Yes. This benchmark can contribute to the current LLMBoard capability score.

Rank #1Claude Fable 5.167.23%
Rank #2Claude Fable 565.35%
Rank #3GPT-6 Astra62.60%
Rank #4Claude Opus 560.87%

Ranking basisThis aa omniscience accuracy AI model leaderboard uses descending omniscience-accuracy in the benchmark original unit. The leaderboard ranking keeps matched price and speed data separate from benchmark evidence.

  1. 01
    AN
    Claude Fable 5.1Anthropic
    omniscience-accuracy
    67.23%
    Price
    $10 input / $50 output per 1M tokens
    Speed
    Up to 3.94 tok/s via Anthropic

    Strengths

    • Ranks #1 of 201 compared models
    • 100th percentile on this benchmark
    • B evidence result

    Considerations

    • This result measures AA Omniscience Accuracy, not total model capability
  2. 02
    AN
    Claude Fable 5Anthropic
    omniscience-accuracy
    65.35%
    Price
    $10 input / $50 output per 1M tokens

    Strengths

    • Ranks #2 of 201 compared models
    • 100th percentile on this benchmark
    • B evidence result

    Considerations

    • This result measures AA Omniscience Accuracy, not total model capability
  3. 03
    OP
    OpenAI
    omniscience-accuracy
    62.60%
    Price
    $10 input / $50 output per 1M tokens
    Speed
    Up to 25.98 tok/s via OpenAI

    Strengths

    • Ranks #3 of 201 compared models
    • 99th percentile on this benchmark
    • B evidence result

    Considerations

    • This result measures AA Omniscience Accuracy, not total model capability
  4. 04
    AN
    Anthropic
    omniscience-accuracy
    60.87%
    Price
    $5.0 input / $25 output per 1M tokens
    Speed
    Up to 4.35 tok/s via Anthropic

    Strengths

    • Ranks #4 of 201 compared models
    • 99th percentile on this benchmark
    • B evidence result

    Considerations

    • This result measures AA Omniscience Accuracy, not total model capability
  5. 05
    OP
    OpenAI
    omniscience-accuracy
    59.40%
    Price
    $4.0 input / $20 output per 1M tokens
    Speed
    Up to 35.30 tok/s via OpenAI

    Strengths

    • Ranks #5 of 201 compared models
    • 98th percentile on this benchmark
    • B evidence result

    Considerations

    • This result measures AA Omniscience Accuracy, not total model capability

Selection summary

Best AI Models for AA Omniscience Accuracy

Claude Fable 5.1 currently leads AA Omniscience Accuracy with 67.23%. It is the top model on this specific benchmark, while the best LLM for the broader task should also be checked against other benchmarks, price, and runtime.

Use this leaderboard with the supporting benchmark results and coverage details above. A leaderboard position summarizes the selected ranking signal; it does not replace workload-specific testing.

GPT-6 Astra
Claude Opus 5
GPT-5.6 Sol
Benchmark rank #1Claude Fable 5.167.23% · $10 input / $50 output per 1M tokens
Benchmark rank #2Claude Fable 565.35% · $10 input / $50 output per 1M tokens
Benchmark rank #3GPT-6 Astra62.60% · $10 input / $50 output per 1M tokens