Model comparison

Grok 4.6 vs Mistral Medium 3.1

Grok 4.6 is the stronger model overall, scoring 56.9 to 31.9 on the Noometry Index. Mistral Medium 3.1 costs 3.8× less per token, which makes it the better buy when Grok 4.6's lead doesn't matter for your workload.

Last verified . 1 shared benchmarks.

Grok 4.6 xAI

56.9

Rank #21 Confirmed

Mistral Medium 3.1 Mistral AI

31.9

Rank #266 Reported

Summary

  • They share 1 benchmark with published results for both. Grok 4.6 scores higher in 2 categories and Mistral Medium 3.1 in 0 categories; 2 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Grok 4.6 leads 61.4 to 10.6.
  • The biggest single-benchmark swing is NYT Connections (extended): 80% for Grok 4.6 and 6.5% for Mistral Medium 3.1.
  • Mistral Medium 3.1 is cheaper at $0.40 / $2 per million input/output tokens, against $2 / $6 for Grok 4.6.
  • Grok 4.6 accepts more context: 500K tokens versus 131K.

Side by side

Grok 4.6 and Mistral Medium 3.1 specifications
Grok 4.6Mistral Medium 3.1
ProviderxAIMistral AI
Noometry Index56.931.9
Released2026-08-12—
WeightsProprietaryProprietary
Context window500K131K
Max output500K105K
Input $ / M tokens$2$0.40
Output $ / M tokens$6$2
Results tracked493

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Category by category

Coding Not comparable

Grok 4.6: 58.5 (#16), Mistral Medium 3.1: —

Coding benchmarks
BenchmarkGrok 4.6Mistral Medium 3.1
DeepSWE67.5%—
FrontierCode48%—
CursorBench41.4%—
LMArena WebDev1617—
FrontierSWE25.3%—
SciCode56.5%—
WeirdML67.3%—
LMArena Coding1465—
ALE-Bench1,508—

Agentic & Tool Use Not comparable

Grok 4.6: 39.4 (#27), Mistral Medium 3.1: —

Agentic & Tool Use benchmarks
BenchmarkGrok 4.6Mistral Medium 3.1
APEX-Agents65.3%—
GDP.pdf17.2%—
Vending-Bench 29,047—

Reasoning Grok 4.6 leads

Grok 4.6: 61.4 (#20), Mistral Medium 3.1: 10.6 (#341)

Reasoning benchmarks
BenchmarkGrok 4.6Mistral Medium 3.1
NYT Connections (extended)80%6.5%
ARC-AGI-267.1%—
SimpleBench75.9%—
ARC-AGI-187.5%—
CritPt19.7%—
Chess Puzzles40%—
Thematic Generalization—20.3%
EBR-Bench30.5%—
LMArena Hard Prompts1447—
Mystery Game Puzzles34%—
DTBench97.3%—
LMCA48.5%—
Epoch Capabilities Index156.44—

Math Not comparable

Grok 4.6: 67.0 (#24), Mistral Medium 3.1: —

Math benchmarks
BenchmarkGrok 4.6Mistral Medium 3.1
FrontierMath (Tiers 1-3)66%—
FrontierMath Tier 431.7%—
OTIS Mock AIME 2024-202599.2%—
ProofBench51%—
LMArena Math1423—

Knowledge Not comparable

Grok 4.6: 63.3 (#20), Mistral Medium 3.1: —

Knowledge benchmarks
BenchmarkGrok 4.6Mistral Medium 3.1
GPQA Diamond94%—
SimpleQA Verified49.3%—
LMArena Expert1467—

Multimodal Not comparable

Grok 4.6: 43.6 (#23), Mistral Medium 3.1: —

Multimodal benchmarks
BenchmarkGrok 4.6Mistral Medium 3.1
LMArena Vision1263—
Blueprint-Bench 233.2%—
Furniture Assembly40%—
LMArena Document1452—

Multilingual Not comparable

Grok 4.6: 53.0 (#74), Mistral Medium 3.1: —

Multilingual benchmarks
BenchmarkGrok 4.6Mistral Medium 3.1
LMArena Non-English1420—
LMArena Chinese1480—
LMArena French1461—
LMArena German1431—
LMArena Japanese1376—
LMArena Korean1397—
LMArena Russian1422—
LMArena Spanish1404—

Instruction Following Not comparable

Grok 4.6: 75.4 (#63), Mistral Medium 3.1: —

Instruction Following benchmarks
BenchmarkGrok 4.6Mistral Medium 3.1
LMArena Instruction Following1431—

Long Context Not comparable

Grok 4.6: 44.5 (#66), Mistral Medium 3.1: —

Long Context benchmarks
BenchmarkGrok 4.6Mistral Medium 3.1
LMArena Longer Query1454—

Writing & Preference Grok 4.6 leads

Grok 4.6: 62.3 (#80), Mistral Medium 3.1: 55.5 (#145)

Writing & Preference benchmarks
BenchmarkGrok 4.6Mistral Medium 3.1
LMArena Text1428—
LMArena Creative Writing1428—
EQ-Bench Creative Writing—1476
LMArena Multi-Turn1425—

Frequently asked questions

Is Grok 4.6 better than Mistral Medium 3.1?

Grok 4.6 is the stronger model overall, scoring 56.9 to 31.9 on the Noometry Index. Mistral Medium 3.1 costs 3.8× less per token, which makes it the better buy when Grok 4.6's lead doesn't matter for your workload.

Which is cheaper, Grok 4.6 or Mistral Medium 3.1?

Mistral Medium 3.1 is cheaper. It lists at $0.40 per million input tokens and $2 per million output tokens; Grok 4.6 lists at $2 and $6.

Which has the bigger context window?

Grok 4.6 does, with 500K tokens against 131K.

How many benchmarks do Grok 4.6 and Mistral Medium 3.1 share?

1 benchmark has published results for both models. Grok 4.6 has 49 scored results on Noometry and Mistral Medium 3.1 has 3.

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