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language benchmark

MMLU (CoT) Leaderboard

MMLU (CoT) is a Chain-of-Thought variant of the Massive Multitask Language Understanding benchmark covering 57 academic and professional tasks.

Updated Sep 5, 2026

Models3
Model coverage3
MetricScore
EvidenceB

On this page

  • Ranking
  • Highlights
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  • About
  • FAQ

MMLU (CoT) Ranking

Higher score ranks better on this benchmark.

3 rows
Columns

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Sort by
Rank
Model
Score
Percentile
Participants
Evidence
Evaluated
Rank01ModelMELlama 3.1 405B InstructMetaScore88.60%Percentile100.00%Participants3EvidenceCEvaluatedSep 8, 2026
Rank02ModelMELlama 3.1 70B InstructMetaScore86.00%Percentile50.00%Participants3EvidenceCEvaluatedSep 8, 2026
Rank03ModelMELlama 3.1 8B InstructMetaScore73.00%Percentile0.00%Participants3EvidenceCEvaluatedSep 8, 2026

MMLU (CoT) Highlights

The leading models and scores on this benchmark.

MMLU (CoT) Score Distribution

A closer view of the leading scores on this benchmark.

MMLU (CoT)

The Top AI Models for MMLU (CoT)

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

What is MMLU (CoT)?

What MMLU (CoT) measures and how its scores work.

MMLU (CoT) is a language benchmark that evaluates models across 57 tasks, including elementary mathematics, US history, computer science, law, and other professional and academic subjects, using chain-of-thought prompting.

It measures Score as a ratio across the 57 tasks.

Scores are shown in ratio. This benchmark is not independently verified and has an evidence level of B.

Family
MMLU (CoT)
Modality
text
Primary category
language
Score direction
higher
LLMBoard eligible
No
Evaluation key
overall

LLM Stats. Benchmark scores retain their original unit. Overall score eligibility is shown separately.

FAQ

Common questions about MMLU (CoT).

Which model scores highest on MMLU (CoT)?

Llama 3.1 405B Instruct is currently ranked first with 88.60%.

What are the top three models on MMLU (CoT)?

The current leaders are Llama 3.1 405B Instruct (88.60%), Llama 3.1 70B Instruct (86.00%), and Llama 3.1 8B Instruct (73.00%).

Which MMLU (CoT) model has the lowest official input price?

No matched official input price is currently available.

Which models are fastest among MMLU (CoT) results?

The fastest matched records are Llama 3.1 8B Instruct (2,047.00 tok/s via Cerebras), Llama 3.1 70B Instruct (1,204.00 tok/s via Cerebras), and Llama 3.1 405B Instruct (42.00 tok/s via Google).

Does the highest 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 MMLU (CoT) measure?

It measures Score as a ratio across the 57 tasks.

Is a higher score better?

Yes. Higher values rank better for this benchmark.

How many models are compared?

3 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 #1Llama 3.1 405B Instruct88.60%
Rank #2Llama 3.1 70B Instruct86.00%
Rank #3Llama 3.1 8B Instruct73.00%

Ranking basisThis mmlu (cot) AI model leaderboard uses descending score in the benchmark original unit. The leaderboard ranking keeps matched price and speed data separate from benchmark evidence.

  1. 01
    ME
    Llama 3.1 405B InstructMeta
    Score
    88.60%
    Speed
    Up to 42.00 tok/s via Google

    Strengths

    • Ranks #1 of 3 compared models
    • 100th percentile on this benchmark
    • C evidence result

    Considerations

    • This result measures MMLU (CoT), not total model capability
  2. 02
    ME
    Llama 3.1 70B InstructMeta
    Score
    86.00%
    Speed
    Up to 1,204.00 tok/s via Cerebras

    Strengths

    • Ranks #2 of 3 compared models
    • 50th percentile on this benchmark
    • C evidence result

    Considerations

    • This result measures MMLU (CoT), not total model capability
  3. 03
    ME
    Meta
    Score
    73.00%
    Speed
    Up to 2,047.00 tok/s via Cerebras

    Strengths

    • Ranks #3 of 3 compared models
    • 0th percentile on this benchmark
    • C evidence result

    Considerations

    • This result measures MMLU (CoT), not total model capability

Selection summary

Best AI Models for MMLU (CoT)

Llama 3.1 405B Instruct currently leads MMLU (CoT) with 88.60%. 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.

Llama 3.1 8B Instruct
Benchmark rank #1Llama 3.1 405B Instruct88.60% · Up to 42.00 tok/s via Google
Benchmark rank #2Llama 3.1 70B Instruct86.00% · Up to 1,204.00 tok/s via Cerebras
Benchmark rank #3Llama 3.1 8B Instruct73.00% · Up to 2,047.00 tok/s via Cerebras