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Unspecified benchmark

LM Arena Search Factuality Leaderboard

LM Arena Search Factuality is a current leaderboard.

Updated Sep 8, 2026

Models28
Model coverage28
MetricArena Rating
EvidenceA

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LM Arena Search Factuality Ranking

Higher arena rating ranks better on this benchmark.

28 rows
Columns

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Rank
Model
Arena Rating
Percentile
Participants
Votes
Evidence
Evaluated
Rank01ModelOPGPT-5.6 SolOpenAIArena Rating1,247.52 rating (1,241.95 rating - 1,253.08 rating)Percentile100.00%Participants28Votes29,663EvidenceAEvaluatedAug 24, 2026
Rank02ModelOPGPT-5.5OpenAIArena Rating1,245.34 rating (1,241.21 rating - 1,249.48 rating)Percentile96.30%Participants28Votes89,833EvidenceAEvaluatedAug 24, 2026
Rank03ModelANClaude Opus 4.6AnthropicArena Rating1,227.85 rating (1,224.57 rating - 1,231.12 rating)Percentile92.59%Participants28Votes134,653EvidenceAEvaluatedAug 24, 2026
Rank04ModelOPGPT-5.2OpenAIArena Rating1,223.60 rating (1,219.76 rating - 1,227.44 rating)Percentile88.89%Participants28Votes52,552EvidenceAEvaluatedAug 24, 2026
Rank05ModelXAGrok 4.5xAIArena Rating1,216.10 rating (1,210.91 rating - 1,221.29 rating)Percentile85.19%Participants28Votes31,505EvidenceAEvaluatedAug 24, 2026
Rank06ModelANClaude Opus 4.7AnthropicArena Rating1,212.80 rating (1,208.85 rating - 1,216.74 rating)Percentile81.48%Participants28Votes91,360EvidenceAEvaluatedAug 24, 2026
Rank07ModelANClaude Fable 5AnthropicArena Rating1,212.29 rating (1,206.55 rating - 1,218.03 rating)Percentile77.78%Participants28Votes41,795EvidenceAEvaluatedAug 24, 2026
Rank08ModelOPGPT-5.4OpenAIArena Rating1,211.91 rating (1,208.25 rating - 1,215.57 rating)Percentile74.07%Participants28Votes110,062EvidenceAEvaluatedAug 24, 2026
Rank09ModelOPGPT-5.1OpenAIArena Rating1,203.72 rating (1,199.65 rating - 1,207.79 rating)Percentile70.37%Participants28Votes59,745EvidenceAEvaluatedAug 24, 2026
Rank10ModelANClaude Sonnet 4.6AnthropicArena Rating1,202.07 rating (1,198.59 rating - 1,205.55 rating)Percentile66.67%Participants28Votes134,853EvidenceAEvaluatedAug 24, 2026
Rank11ModelANClaude Opus 4.8AnthropicArena Rating1,198.73 rating (1,193.84 rating - 1,203.62 rating)Percentile62.96%Participants28Votes70,998EvidenceAEvaluatedAug 24, 2026
Rank12ModelGOGemini 3.1 ProGoogleArena Rating1,198.39 rating (1,194.48 rating - 1,202.30 rating)Percentile59.26%Participants28Votes113,229EvidenceAEvaluatedAug 24, 2026
Rank13ModelXAGrok-4.20 Multi-Agent BetaxAIArena Rating1,197.66 rating (1,193.60 rating - 1,201.72 rating)Percentile55.56%Participants28Votes109,504EvidenceAEvaluatedAug 24, 2026
Rank14ModelGOGemini 3 ProGoogleArena Rating1,193.86 rating (1,189.13 rating - 1,198.59 rating)Percentile51.85%Participants28Votes36,905EvidenceAEvaluatedAug 24, 2026
Rank15ModelANClaude Sonnet 5AnthropicArena Rating1,186.67 rating (1,181.49 rating - 1,191.84 rating)Percentile48.15%Participants28Votes40,230EvidenceAEvaluatedAug 24, 2026
Rank16ModelGOGemini 3 FlashGoogleArena Rating1,180.48 rating (1,176.96 rating - 1,184.00 rating)Percentile44.44%Participants28Votes149,171EvidenceAEvaluatedAug 24, 2026
Rank17ModelANClaude Opus 4.5AnthropicArena Rating1,180.00 rating (1,175.62 rating - 1,184.39 rating)Percentile40.74%Participants28Votes61,402EvidenceAEvaluatedAug 24, 2026
Rank18ModelXAGrok 4.3xAIArena Rating1,173.56 rating (1,169.53 rating - 1,177.59 rating)Percentile37.04%Participants28Votes91,483EvidenceAEvaluatedAug 24, 2026
Rank19ModelGOGemini 2.5 ProGoogleArena Rating1,161.05 rating (1,157.73 rating - 1,164.37 rating)Percentile33.33%Participants28Votes66,094EvidenceAEvaluatedAug 24, 2026
Rank20ModelANClaude Sonnet 4.5AnthropicArena Rating1,160.34 rating (1,156.46 rating - 1,164.23 rating)Percentile29.63%Participants28Votes127,193EvidenceAEvaluatedAug 24, 2026
Rank21ModelPESonar Reasoning ProPerplexityArena Rating1,154.54 rating (1,148.20 rating - 1,160.89 rating)Percentile25.93%Participants28Votes12,535EvidenceAEvaluatedAug 24, 2026
Rank22ModelANClaude Opus 4.1AnthropicArena Rating1,153.88 rating (1,149.84 rating - 1,157.92 rating)Percentile22.22%Participants28Votes59,889EvidenceAEvaluatedAug 24, 2026
Rank23ModelXAGrok 4 FastxAIArena Rating1,146.67 rating (1,142.11 rating - 1,151.24 rating)Percentile18.52%Participants28Votes29,409EvidenceAEvaluatedAug 24, 2026
Rank24ModelOPGPT-5OpenAIArena Rating1,143.99 rating (1,134.52 rating - 1,153.46 rating)Percentile14.81%Participants28Votes3,902EvidenceAEvaluatedAug 24, 2026
Rank25ModelANClaude Opus 4AnthropicArena Rating1,137.74 rating (1,131.85 rating - 1,143.63 rating)Percentile11.11%Participants28Votes13,998EvidenceAEvaluatedAug 24, 2026
Rank26ModelXAGrok-4xAIArena Rating1,131.91 rating (1,121.42 rating - 1,142.39 rating)Percentile7.41%Participants28Votes3,112EvidenceAEvaluatedAug 24, 2026
Rank27ModelPESonar ProPerplexityArena Rating1,131.87 rating (1,125.54 rating - 1,138.20 rating)Percentile3.70%Participants28Votes12,453EvidenceAEvaluatedAug 24, 2026
Rank28ModelOPo3OpenAIArena Rating1,129.33 rating (1,119.29 rating - 1,139.38 rating)Percentile0.00%Participants28Votes3,689EvidenceAEvaluatedAug 24, 2026

LM Arena Search Factuality Highlights

The leading models and scores on this benchmark.

LM Arena Search Factuality Score Distribution

A closer view of the leading scores on this benchmark.

LM Arena Search Factuality

The Top AI Models for LM Arena Search Factuality

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

What is LM Arena Search Factuality?

What LM Arena Search Factuality measures and how its scores work.

LM Arena Search Factuality is a benchmark leaderboard.

It reports Arena Rating, with the unit listed as rating.

Scores are shown in rating. This benchmark is verified and has an evidence level of A.

Family
lm-arena-search-factuality
Modality
Unspecified
Primary category
Unspecified
Score direction
higher
LLMBoard eligible
No
Evaluation key
overall

LM Arena. Benchmark scores retain their original unit. Overall score eligibility is shown separately.

FAQ

Common questions about LM Arena Search Factuality.

Which model scores highest on LM Arena Search Factuality?

GPT-5.6 Sol is currently ranked first with 1,247.52 rating.

What are the top three models on LM Arena Search Factuality?

The current leaders are GPT-5.6 Sol (1,247.52 rating), GPT-5.5 (1,245.34 rating), and Claude Opus 4.6 (1,227.85 rating).

Which LM Arena Search Factuality model has the lowest official input price?

Gemini 3 Flash has the lowest matched official input price at $0.50 input / $3.0 output per 1M tokens.

Which models are fastest among LM Arena Search Factuality results?

The fastest matched records are GPT-5.5 (134.94 tok/s via OpenAI), Gemini 3 Flash (124.32 tok/s via Google), and Claude Opus 4.6 (123.15 tok/s via Anthropic).

Does the highest arena rating 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 LM Arena Search Factuality measure?

It reports Arena Rating, with the unit listed as rating.

Is a higher arena rating better?

Yes. Higher values rank better for this benchmark.

How many models are compared?

28 model results are currently shown.

Does this benchmark affect the overall score?

No. This benchmark is shown for reference but does not contribute to the overall score.

Rank #1GPT-5.6 Sol1,247.52 rating (1,241.95 rating - 1,253.08 rating)
Rank #2GPT-5.51,245.34 rating (1,241.21 rating - 1,249.48 rating)
Rank #3Claude Opus 4.61,227.85 rating (1,224.57 rating - 1,231.12 rating)
Rank #4GPT-5.21,223.60 rating (1,219.76 rating - 1,227.44 rating)

Ranking basisThis lm arena search factuality AI model leaderboard uses descending arena rating in the benchmark original unit. The leaderboard ranking keeps matched price and speed data separate from benchmark evidence.

  1. 01
    OP
    GPT-5.6 SolOpenAI
    Arena Rating
    1,247.52 rating
    Price
    $4.0 input / $20 output per 1M tokens
    Speed
    Up to 2.36 tok/s via OpenAI

    Strengths

    • Ranks #1 of 28 compared models
    • 100th percentile on this benchmark
    • A evidence result

    Considerations

    • This result measures LM Arena Search Factuality, not total model capability
  2. 02
    OP
    GPT-5.5OpenAI
    Arena Rating
    1,245.34 rating
    Price
    $5.0 input / $30 output per 1M tokens
    Speed
    Up to 134.94 tok/s via OpenAI

    Strengths

    • Ranks #2 of 28 compared models
    • 96th percentile on this benchmark
    • A evidence result

    Considerations

    • This result measures LM Arena Search Factuality, not total model capability
  3. 03
    AN
    Anthropic
    Arena Rating
    1,227.85 rating
    Price
    $5.0 input / $25 output per 1M tokens
    Speed
    Up to 123.15 tok/s via Anthropic

    Strengths

    • Ranks #3 of 28 compared models
    • 93th percentile on this benchmark
    • A evidence result

    Considerations

    • This result measures LM Arena Search Factuality, not total model capability
  4. 04
    OP
    OpenAI
    Arena Rating
    1,223.60 rating
    Price
    $1.8 input / $14 output per 1M tokens
    Speed
    Up to 100.00 tok/s via OpenAI

    Strengths

    • Ranks #4 of 28 compared models
    • 89th percentile on this benchmark
    • A evidence result

    Considerations

    • This result measures LM Arena Search Factuality, not total model capability
  5. 05
    XA
    xAI
    Arena Rating
    1,216.10 rating
    Price
    $2.0 input / $6.0 output per 1M tokens
    Speed
    Up to 80.00 tok/s via xAI

    Strengths

    • Ranks #5 of 28 compared models
    • 85th percentile on this benchmark
    • A evidence result

    Considerations

    • This result measures LM Arena Search Factuality, not total model capability

Selection summary

Best AI Models for LM Arena Search Factuality

GPT-5.6 Sol currently leads LM Arena Search Factuality with 1,247.52 rating. 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.

Claude Opus 4.6
GPT-5.2
Grok 4.5
Benchmark rank #1GPT-5.6 Sol1,247.52 rating · $4.0 input / $20 output per 1M tokens
Benchmark rank #2GPT-5.51,245.34 rating · $5.0 input / $30 output per 1M tokens
Benchmark rank #3Claude Opus 4.61,227.85 rating · $5.0 input / $25 output per 1M tokens