Noometry

Model comparison

Mistral Large 3 vs Step 3.7 Flash

Mistral Large 3 is the stronger model overall, scoring 39.1 to 37.3 on the Noometry Index.

Last verified . 1 shared benchmarks.

Mistral Large 3 Mistral AI

39.1

Rank #176 Confirmed

Step 3.7 Flash StepFun

37.3

Rank #207 Reported

Summary

  • They share 1 benchmark with published results for both. Mistral Large 3 scores higher in 0 categories and Step 3.7 Flash in 3 categories; 3 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Step 3.7 Flash leads 21.6 to 15.2.
  • The biggest single-benchmark swing is NYT Connections (extended): 7.5% for Mistral Large 3 and 39.7% for Step 3.7 Flash.
  • Mistral Large 3 is cheaper at $0.25 / $0.75 per million input/output tokens, against $0.18 / $1.11 for Step 3.7 Flash.
  • Mistral Large 3 accepts more context: 262K tokens versus 256K.

Side by side

Mistral Large 3Step 3.7 Flash
ProviderMistral AIStepFun
Noometry Index39.137.3
Released2025-12-022026-05-29
WeightsOpenOpen
Context window262K256K
Max output8K256K
Input $ / M tokens$0.25$0.18
Output $ / M tokens$0.75$1.11
Results tracked245

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Category by category

Coding Step 3.7 Flash leads

Mistral Large 3: 34.4 (#237), Step 3.7 Flash: 40.0 (#150)

BenchmarkMistral Large 3Step 3.7 Flash
LMArena WebDev1230—
SciCode—40%
LMArena Coding1448—
ALE-Bench—694.12

Reasoning Step 3.7 Flash leads

Mistral Large 3: 15.2 (#319), Step 3.7 Flash: 21.6 (#219)

BenchmarkMistral Large 3Step 3.7 Flash
NYT Connections (extended)7.5%39.7%
Kagi LLM Benchmark50.9%—
CritPt—2.3%
Thematic Generalization23%—
LMArena Hard Prompts1429—

Math Step 3.7 Flash leads

Mistral Large 3: 38.7 (#129), Step 3.7 Flash: 42.9 (#82)

BenchmarkMistral Large 3Step 3.7 Flash
MathArena Final-Answer Competitions—68.5%
LMArena Math1414—

Knowledge Not comparable

Mistral Large 3: 36.0 (#177), Step 3.7 Flash: —

BenchmarkMistral Large 3Step 3.7 Flash
Vectara Hallucination Rate14.5%—
LMArena Expert1421—

Multimodal Not comparable

Mistral Large 3: 38.2 (#66), Step 3.7 Flash: —

BenchmarkMistral Large 3Step 3.7 Flash
LMArena Vision1221—

Multilingual Not comparable

Mistral Large 3: 52.5 (#84), Step 3.7 Flash: —

BenchmarkMistral Large 3Step 3.7 Flash
LMArena Non-English1413—
LMArena Chinese1447—
LMArena French1455—
LMArena German1437—
LMArena Japanese1394—
LMArena Korean1384—
LMArena Russian1411—
LMArena Spanish1440—

Instruction Following Not comparable

Mistral Large 3: 74.0 (#108), Step 3.7 Flash: —

BenchmarkMistral Large 3Step 3.7 Flash
LMArena Instruction Following1403—

Long Context Not comparable

Mistral Large 3: 43.1 (#105), Step 3.7 Flash: —

BenchmarkMistral Large 3Step 3.7 Flash
LMArena Longer Query1413—

Writing & Preference Not comparable

Mistral Large 3: 60.0 (#101), Step 3.7 Flash: —

BenchmarkMistral Large 3Step 3.7 Flash
LMArena Text1428—
LMArena Creative Writing1386—
EQ-Bench Creative Writing1412—
LMArena Multi-Turn1429—

Frequently asked questions

Is Mistral Large 3 better than Step 3.7 Flash?

Mistral Large 3 is the stronger model overall, scoring 39.1 to 37.3 on the Noometry Index.

Which is cheaper, Mistral Large 3 or Step 3.7 Flash?

Mistral Large 3 is cheaper. It lists at $0.25 per million input tokens and $0.75 per million output tokens; Step 3.7 Flash lists at $0.18 and $1.11.

Is Mistral Large 3 or Step 3.7 Flash better for coding?

Step 3.7 Flash scores higher on coding benchmarks: 40.0 versus 34.4 in the Noometry coding category.

Which has the bigger context window?

Mistral Large 3 does, with 262K tokens against 256K.

How many benchmarks do Mistral Large 3 and Step 3.7 Flash share?

1 benchmark has published results for both models. Mistral Large 3 has 24 scored results on Noometry and Step 3.7 Flash has 5.

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