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Unspecified benchmark

LM Arena Agent Tool Hallucination Leaderboard

LM Arena Agent Tool Hallucination is a current leaderboard reporting Agent Score as a ratio.

Updated Sep 8, 2026

Models49
Model coverage49
MetricAgent Score
EvidenceA

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LM Arena Agent Tool Hallucination Ranking

Higher agent score ranks better on this benchmark.

30 of 49 rows
Columns

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Rank
Model
Agent Score
Percentile
Participants
Observations
Evidence
Evaluated
Rank01ModelOPGPT-5.6 SolOpenAIAgent Score0.78% (0.65% - 0.91%)Percentile100.00%Participants49Observations3MEvidenceAEvaluatedSep 5, 2026
Rank02ModelOPGPT-5.6 TerraOpenAIAgent Score0.78% (0.65% - 0.91%)Percentile97.92%Participants49Observations981.2KEvidenceAEvaluatedSep 5, 2026
Rank03ModelXAGrok 4.6xAIAgent Score0.78% (0.65% - 0.91%)Percentile95.83%Participants49Observations1.8MEvidenceAEvaluatedSep 5, 2026
Rank04ModelDEDeepSeek-V4-Pro-0813DeepSeekAgent Score0.78% (0.65% - 0.91%)Percentile93.75%Participants49Observations2.7MEvidenceAEvaluatedSep 5, 2026
Rank05ModelOPGPT-5.6 LunaOpenAIAgent Score0.78% (0.65% - 0.91%)Percentile91.67%Participants49Observations1.5MEvidenceAEvaluatedSep 5, 2026
Rank06ModelXAGrok 4.5xAIAgent Score0.78% (0.65% - 0.91%)Percentile89.58%Participants49Observations1.6MEvidenceAEvaluatedSep 5, 2026
Rank07ModelOPGPT-5.5OpenAIAgent Score0.78% (0.65% - 0.91%)Percentile87.50%Participants49Observations1.8MEvidenceAEvaluatedSep 5, 2026
Rank08ModelMAKimi K3Moonshot AIAgent Score0.78% (0.65% - 0.91%)Percentile85.42%Participants49Observations7.8MEvidenceAEvaluatedSep 5, 2026
Rank09ModelZAGLM-5.2Zhipu AIAgent Score0.78% (0.65% - 0.91%)Percentile83.33%Participants49Observations3.7MEvidenceAEvaluatedSep 5, 2026
Rank10ModelZAGLM-5.3-FlashZhipu AIAgent Score0.78% (0.65% - 0.91%)Percentile81.25%Participants49Observations1.8MEvidenceAEvaluatedSep 5, 2026
Rank11ModelMAKimi K2.6Moonshot AIAgent Score0.78% (0.65% - 0.91%)Percentile79.17%Participants49Observations304.3KEvidenceAEvaluatedSep 5, 2026
Rank12ModelMAKimi K2.7 CodeMoonshot AIAgent Score0.78% (0.65% - 0.91%)Percentile77.08%Participants49Observations383.4KEvidenceAEvaluatedSep 5, 2026
Rank13ModelANClaude Fable 5.1AnthropicAgent Score0.78% (0.65% - 0.91%)Percentile75.00%Participants49Observations488.8KEvidenceAEvaluatedSep 5, 2026
Rank14ModelZAGLM-5.3Zhipu AIAgent Score0.78% (0.65% - 0.91%)Percentile72.92%Participants49Observations4MEvidenceAEvaluatedSep 5, 2026
Rank15ModelOPGPT-5.4OpenAIAgent Score0.78% (0.65% - 0.91%)Percentile70.83%Participants49Observations3.3MEvidenceAEvaluatedSep 5, 2026
Rank16ModelANClaude Opus 4.6AnthropicAgent Score0.78% (0.65% - 0.90%)Percentile68.75%Participants49Observations1.2MEvidenceAEvaluatedSep 5, 2026
Rank17ModelANClaude Fable 5AnthropicAgent Score0.78% (0.65% - 0.90%)Percentile66.67%Participants49Observations1.7MEvidenceAEvaluatedSep 5, 2026
Rank18ModelMEMuse Spark 1.2MetaAgent Score0.77% (0.65% - 0.90%)Percentile64.58%Participants49Observations798.1KEvidenceAEvaluatedSep 5, 2026
Rank19ModelMEMuse Spark 1.1MetaAgent Score0.77% (0.64% - 0.89%)Percentile62.50%Participants49Observations3.2MEvidenceAEvaluatedSep 5, 2026
Rank20ModelANClaude Opus 5AnthropicAgent Score0.76% (0.63% - 0.88%)Percentile60.42%Participants49Observations2.2MEvidenceAEvaluatedSep 5, 2026
Rank21ModelDEDeepSeek-V4-Flash-0731DeepSeekAgent Score0.76% (0.63% - 0.88%)Percentile58.33%Participants49Observations5.4MEvidenceAEvaluatedSep 5, 2026
Rank22ModelANClaude Opus 4.7AnthropicAgent Score0.72% (0.59% - 0.86%)Percentile56.25%Participants49Observations1.4MEvidenceAEvaluatedSep 5, 2026
Rank23ModelGOGemini 3.7 FlashGoogleAgent Score0.71% (0.58% - 0.85%)Percentile54.17%Participants49Observations1.6MEvidenceAEvaluatedSep 5, 2026
Rank24ModelANClaude Sonnet 4.6AnthropicAgent Score0.71% (0.55% - 0.87%)Percentile52.08%Participants49Observations1.3MEvidenceAEvaluatedSep 5, 2026
Rank25ModelGOGemini 3.8 FlashGoogleAgent Score0.70% (0.54% - 0.85%)Percentile50.00%Participants49Observations531.5KEvidenceAEvaluatedSep 5, 2026
Rank26ModelGOGemini 3.6 FlashGoogleAgent Score0.69% (0.51% - 0.87%)Percentile47.92%Participants49Observations922KEvidenceAEvaluatedSep 5, 2026
Rank27ModelXAGrok 4.3xAIAgent Score0.67% (0.54% - 0.80%)Percentile45.83%Participants49Observations1.1MEvidenceAEvaluatedSep 5, 2026
Rank28ModelTEHy4 previewTencentAgent Score0.66% (0.51% - 0.80%)Percentile43.75%Participants49Observations1.2MEvidenceAEvaluatedSep 5, 2026
Rank29ModelANClaude Sonnet 5AnthropicAgent Score0.63% (0.48% - 0.78%)Percentile41.67%Participants49Observations2.7MEvidenceAEvaluatedSep 5, 2026
Rank30ModelMIMiniMax M2.7MiniMaxAgent Score0.61% (0.44% - 0.79%)Percentile39.58%Participants49Observations772.3KEvidenceAEvaluatedSep 5, 2026

LM Arena Agent Tool Hallucination Highlights

The leading models and scores on this benchmark.

LM Arena Agent Tool Hallucination Score Distribution

A closer view of the leading scores on this benchmark.

LM Arena Agent Tool Hallucination

The Top AI Models for LM Arena Agent Tool Hallucination

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 Agent Tool Hallucination?

What LM Arena Agent Tool Hallucination measures and how its scores work.

A current leaderboard for LM Arena Agent Tool Hallucination.

It reports Agent Score, measured as a ratio.

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

Family
lm-arena-agent-tool-hallucination
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 Agent Tool Hallucination.

Which model scores highest on LM Arena Agent Tool Hallucination?

GPT-5.6 Sol is currently ranked first with 0.78%.

What are the top three models on LM Arena Agent Tool Hallucination?

The current leaders are GPT-5.6 Sol (0.78%), GPT-5.6 Terra (0.78%), and Grok 4.6 (0.78%).

Which LM Arena Agent Tool Hallucination model has the lowest official input price?

GLM-5.3-Flash has the lowest matched official input price at $0.08 input / $0.25 output per 1M tokens.

Which models are fastest among LM Arena Agent Tool Hallucination results?

The fastest matched records are GLM-5.3 (472.69 tok/s via FriendliAI), Gemini 3.5 Flash (210.94 tok/s via Google), and GPT-5.5 (134.94 tok/s via OpenAI).

Does the highest agent score 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 Agent Tool Hallucination measure?

It reports Agent Score, measured as a ratio.

Is a higher agent score better?

Yes. Higher values rank better for this benchmark.

How many models are compared?

49 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 Sol0.78% (0.65% - 0.91%)
Rank #2GPT-5.6 Terra0.78% (0.65% - 0.91%)
Rank #3Grok 4.60.78% (0.65% - 0.91%)
Rank #4DeepSeek-V4-Pro-08130.78% (0.65% - 0.91%)

Ranking basisThis lm arena agent tool hallucination AI model leaderboard uses descending agent score 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
    Agent Score
    0.78%
    Price
    $4.0 input / $20 output per 1M tokens
    Speed
    Up to 2.36 tok/s via OpenAI

    Strengths

    • Ranks #1 of 49 compared models
    • 100th percentile on this benchmark
    • A evidence result

    Considerations

    • This result measures LM Arena Agent Tool Hallucination, not total model capability
  2. 02
    OP
    GPT-5.6 TerraOpenAI
    Agent Score
    0.78%
    Price
    $2.0 input / $12 output per 1M tokens
    Speed
    Up to 99.35 tok/s via OpenAI

    Strengths

    • Ranks #2 of 49 compared models
    • 98th percentile on this benchmark
    • A evidence result

    Considerations

    • This result measures LM Arena Agent Tool Hallucination, not total model capability
  3. 03
    XA
    xAI
    Agent Score
    0.78%
    Price
    $2.0 input / $6.0 output per 1M tokens
    Speed
    Up to 132.69 tok/s via xAI

    Strengths

    • Ranks #3 of 49 compared models
    • 96th percentile on this benchmark
    • A evidence result

    Considerations

    • This result measures LM Arena Agent Tool Hallucination, not total model capability
  4. 04
    DE
    DeepSeek
    Agent Score
    0.78%
    Speed
    Up to 45.48 tok/s via DeepSeek

    Strengths

    • Ranks #4 of 49 compared models
    • 94th percentile on this benchmark
    • A evidence result

    Considerations

    • This result measures LM Arena Agent Tool Hallucination, not total model capability
  5. 05
    OP
    OpenAI
    Agent Score
    0.78%
    Price
    $0.20 input / $1.2 output per 1M tokens
    Speed
    Up to 41.87 tok/s via OpenAI

    Strengths

    • Ranks #5 of 49 compared models
    • 92th percentile on this benchmark
    • A evidence result

    Considerations

    • This result measures LM Arena Agent Tool Hallucination, not total model capability

Selection summary

Best AI Models for LM Arena Agent Tool Hallucination

GPT-5.6 Sol currently leads LM Arena Agent Tool Hallucination with 0.78%. 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.

Grok 4.6
DeepSeek-V4-Pro-0813
GPT-5.6 Luna
Benchmark rank #1GPT-5.6 Sol0.78% · $4.0 input / $20 output per 1M tokens
Benchmark rank #2GPT-5.6 Terra0.78% · $2.0 input / $12 output per 1M tokens
Benchmark rank #3Grok 4.60.78% · $2.0 input / $6.0 output per 1M tokens