Model comparison

Llama 3.1-405B vs Mistral Medium 3.1

Mistral Medium 3.1 is the stronger model overall, scoring 31.5 to 30.4 on the Noometry Index.

Last verified . 1 shared benchmarks.

Llama 3.1-405B Meta

30.4

Rank #279 Confirmed

Mistral Medium 3.1 Mistral AI

31.5

Rank #260 Reported

Summary

  • They share 1 benchmark with published results for both. Llama 3.1-405B scores higher in 1 category and Mistral Medium 3.1 in 1 category; 2 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where Mistral Medium 3.1 leads 55.6 to 39.1.
  • Llama 3.1-405B has downloadable open weights; the other is API-only.

Side by side

Llama 3.1-405B and Mistral Medium 3.1 specifications
Llama 3.1-405BMistral Medium 3.1
ProviderMetaMistral AI
Noometry Index30.431.5
Released2024-07-23—
WeightsOpenProprietary
Context window—131K
Max output—105K
Input $ / M tokens—$0.40
Output $ / M tokens—$2
Results tracked423

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Category by category

Coding Not comparable

Llama 3.1-405B: 32.7 (#257), Mistral Medium 3.1: —

Coding benchmarks
BenchmarkLlama 3.1-405BMistral Medium 3.1
WeirdML21.4%—
LMArena Coding1291—

Agentic & Tool Use Not comparable

Llama 3.1-405B: 20.9 (#131), Mistral Medium 3.1: —

Agentic & Tool Use benchmarks
BenchmarkLlama 3.1-405BMistral Medium 3.1
TheAgentCompany7.4%—
Cybench7.5%—

Reasoning Llama 3.1-405B leads

Llama 3.1-405B: 16.4 (#293), Mistral Medium 3.1: 10.1 (#336)

Reasoning benchmarks
BenchmarkLlama 3.1-405BMistral Medium 3.1
SimpleBench23%—
Kagi LLM Benchmark45%—
NYT Connections (extended)—6.5%
Thematic Generalization—20.3%
LMArena Hard Prompts1270—
DTBench61.4%—
BIG-Bench Hard82.9%—
Epoch Capabilities Index128.76—
ForecastBench59.9—
HellaSwag89.2%—
PIQA85.9%—
WinoGrande89.2%—

Math Not comparable

Llama 3.1-405B: 17.3 (#283), Mistral Medium 3.1: —

Math benchmarks
BenchmarkLlama 3.1-405BMistral Medium 3.1
OTIS Mock AIME 2024-20259.7%—
Omni-MATH24.9%—
LMArena Math1281—
MATH Level 549.8%—

Knowledge Not comparable

Llama 3.1-405B: 30.4 (#221), Mistral Medium 3.1: —

Knowledge benchmarks
BenchmarkLlama 3.1-405BMistral Medium 3.1
GPQA Diamond50.9%—
MMLU-Pro72.3%—
Confabulations17.6%—
GPQA (HELM)52.2%—
LMArena Expert1243—
ARC (AI2) Challenge95.3%—
MMLU84.5%—
TriviaQA82.7%—

Multilingual Not comparable

Llama 3.1-405B: 40.9 (#209), Mistral Medium 3.1: —

Multilingual benchmarks
BenchmarkLlama 3.1-405BMistral Medium 3.1
LMArena Non-English1248—
LMArena Chinese1242—
LMArena French1278—
LMArena German1252—
LMArena Japanese1208—
LMArena Korean1184—
LMArena Russian1265—
LMArena Spanish1259—

Instruction Following Not comparable

Llama 3.1-405B: 66.1 (#209), Mistral Medium 3.1: —

Instruction Following benchmarks
BenchmarkLlama 3.1-405BMistral Medium 3.1
IFEval81.1%—
LMArena Instruction Following1259—

Long Context Not comparable

Llama 3.1-405B: 38.4 (#192), Mistral Medium 3.1: —

Long Context benchmarks
BenchmarkLlama 3.1-405BMistral Medium 3.1
LMArena Longer Query1266—

Writing & Preference Mistral Medium 3.1 leads

Llama 3.1-405B: 39.1 (#246), Mistral Medium 3.1: 55.6 (#140)

Writing & Preference benchmarks
BenchmarkLlama 3.1-405BMistral Medium 3.1
EQ-Bench Creative Writing8701476
LMArena Text1284—
LMArena Creative Writing1262—
WildBench78.3%—
LMArena Multi-Turn1297—

Frequently asked questions

Is Llama 3.1-405B better than Mistral Medium 3.1?

Mistral Medium 3.1 is the stronger model overall, scoring 31.5 to 30.4 on the Noometry Index.

How many benchmarks do Llama 3.1-405B and Mistral Medium 3.1 share?

1 benchmark has published results for both models. Llama 3.1-405B has 42 scored results on Noometry and Mistral Medium 3.1 has 3.

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