Language

Llama 3.1 405B

Released
23 Jul 2024
Status
Legacy
Context
131.1K
Max output
—
Input per 1M tokens
—
Output per 1M tokens
—
Open weights
Yes
License
llama-3.1
Parameters
405.85B
Knowledge cutoff
Dec 2023
Reasoning
No
Modalities
text → text

Category scores

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

Category scores
CategoryScoreRankCoverage
Knowledge & reasoning7.6Not ranked1 of 4
Professional knowledge work7.491 of 1

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 accuracy95.3%Self-reported——DeepSeek-V3 Technical Report via Epoch AI
BIG-Bench Hard (BBH)Average accuracy82.9%Self-reported——DeepSeek-V3 Technical Report via Epoch AI
BIG-Bench Hard (BBH)Average accuracy82.9%Self-reported——DeepSeek-V3 Technical Report via Epoch AI
DTBench (Decision Theory Benchmark)Accuracy (capability questions)61.4%Third party——https://conceptualreasoning.ai/dtbench via Epoch AI
HellaSwagAccuracy89.2%Self-reported——DeepSeek-V3 Technical Report via Epoch AI
MMLUAccuracy84.5%Third party——Stanford CRFM Leaderboard via Epoch AI
MMLUAccuracy84.4%Self-reported——DeepSeek-V3 Technical Report via Epoch AI
PIQAAccuracy85.9%Self-reported——DeepSeek-V3 Technical Report via Epoch AI
SimpleBenchScore (AVG@5)23.0%Third party——SimpleBench Leaderboard via Epoch AI
WinoGrandeAccuracy89.2%Self-reported——DeepSeek-V3 Technical Report via Epoch AI
WinoGrandeAccuracy82.2%Self-reported——The Llama 3 Herd of Models via Epoch AI

Scientific reasoning

Scientific reasoning results
BenchmarkMetricValueProvenanceSettingEvaluatedSource
GPQA DiamondAccuracy50.9%Independent—27 Jan 2025Epoch AI

Mathematics

Mathematics results
BenchmarkMetricValueProvenanceSettingEvaluatedSource
MATH Level 5Accuracy49.8%Independent—27 Jan 2025Epoch AI
OTIS Mock AIME 2024-2025Accuracy9.7%Independent—25 Feb 2025Epoch AI

Coding & software engineering

Coding & software engineering results
BenchmarkMetricValueProvenanceSettingEvaluatedSource
CybenchUnguided challenges solved7.5%Third party——Cybench leaderboard via Epoch AI
WeirdML (v2)Average accuracy21.4%Third party——https://htihle.github.io/weirdml.html via Epoch AI

Professional knowledge work

Professional knowledge work results
BenchmarkMetricValueProvenanceSettingEvaluatedSource
TheAgentCompanyTasks resolved7.4%Third party——TheAgentCompany experiment results github via Epoch AI

Factuality & hallucination

Factuality & hallucination results
BenchmarkMetricValueProvenanceSettingEvaluatedSource
TriviaQAExact match82.7%Self-reported——DeepSeek-V3 Technical Report via Epoch AI

Other Llama versions

Sources

Llama 3.1 405B: benchmarks, price and specs · supermarket.dev