Language

MPT-30B (Instruct, Chat)

Released
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Status
Legacy
Context
—
Max output
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Input per 1M tokens
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Output per 1M tokens
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Open weights
Yes
License
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Parameters
30B
Knowledge cutoff
—
Reasoning
No
Modalities
text → text

Category scores

Out of 100, from independent and third-party results only, by method category-2026-09-29.1.

Not enough independent results yet

Only independent and third-party results rank a model; self-reported and unattributed numbers never do.

Benchmark results

Every result we hold for this model, with who ran it and where it was published.

Knowledge & reasoning

Knowledge & reasoning results
BenchmarkMetricValueProvenanceSettingEvaluatedSource
AI2 Reasoning Challenge (ARC)Challenge set accuracy50.6%Third party——Llama 2: Open Foundation and Fine-Tuned Chat Models via Epoch AI
BIG-Bench Hard (BBH)Average accuracy38.0%Self-reported——Qwen Technical Report via Epoch AI
MMLUAccuracy46.9%Third party——Llama 2: Open Foundation and Fine-Tuned Chat Models via Epoch AI
MMLUAccuracy47.9%Self-reported——Qwen Technical Report via Epoch AI
OpenBookQAAccuracy52.0%Third party——Llama 2: Open Foundation and Fine-Tuned Chat Models via Epoch AI
PIQAAccuracy81.9%Third party——Llama 2: Open Foundation and Fine-Tuned Chat Models via Epoch AI
WinoGrandeAccuracy71.0%Third party——Llama 2: Open Foundation and Fine-Tuned Chat Models via Epoch AI

Mathematics

Mathematics results
BenchmarkMetricValueProvenanceSettingEvaluatedSource
GSM8KExact match16.4%Third party——Stanford HELM via Epoch AI
GSM8KExact match15.2%Third party——Llama 2: Open Foundation and Fine-Tuned Chat Models via Epoch AI
GSM8KExact match15.2%Self-reported——Qwen Technical Report via Epoch AI

Factuality & hallucination

Factuality & hallucination results
BenchmarkMetricValueProvenanceSettingEvaluatedSource
TriviaQAExact match73.6%Third party——Llama 2: Open Foundation and Fine-Tuned Chat Models via Epoch AI
TriviaQAExact match73.3%Third party——Llama 2: Open Foundation and Fine-Tuned Chat Models via Epoch AI
TriviaQAExact match71.3%Third party——Llama 2: Open Foundation and Fine-Tuned Chat Models via Epoch AI
TriviaQAExact match68.0%Third party——Llama 2: Open Foundation and Fine-Tuned Chat Models via Epoch AI

Other MPT (MosaicML Pretrained Transformer) versions

Sources