Noometry

Model comparison

Claude Sonnet 5 vs Ministral 3B

Claude Sonnet 5 is the stronger model overall, scoring 54.5 to 25.6 on the Noometry Index. Ministral 3B costs 100× less per token, which makes it the better buy when Claude Sonnet 5's lead doesn't matter for your workload.

Last verified . 4 shared benchmarks.

Claude Sonnet 5 Anthropic

54.5

Rank #26 Confirmed

Ministral 3B Mistral AI

25.6

Rank #336 Confirmed

Summary

  • They share 4 benchmarks with published results for both. Claude Sonnet 5 scores higher in 3 categories and Ministral 3B in 0 categories; 3 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Claude Sonnet 5 leads 55.7 to 10.4.
  • The biggest single-benchmark swing is GPQA Diamond: 90.5% for Claude Sonnet 5 and 25.3% for Ministral 3B.
  • Ministral 3B is cheaper at $0.04 / $0.04 per million input/output tokens, against $2 / $10 for Claude Sonnet 5.
  • Claude Sonnet 5 accepts more context: 1M tokens versus 128K.
  • Ministral 3B has downloadable open weights; the other is API-only.

Side by side

Claude Sonnet 5Ministral 3B
ProviderAnthropicMistral AI
Noometry Index54.525.6
Released2026-06-292024-10-01
WeightsProprietaryOpen
Context window1M128K
Max output128K128K
Input $ / M tokens$2$0.04
Output $ / M tokens$10$0.04
Results tracked516

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Category by category

Coding Not comparable

Claude Sonnet 5: 55.5 (#20), Ministral 3B: —

BenchmarkClaude Sonnet 5Ministral 3B
DeepSWE53.8%—
FrontierCode42.7%—
CursorBench34.1%—
LMArena WebDev1540—
SciCode53.6%—
GSO37.3%—
WeirdML68.8%—
LMArena Coding1483—
ALE-Bench1,463—

Agentic & Tool Use Not comparable

Claude Sonnet 5: 42.7 (#16), Ministral 3B: —

BenchmarkClaude Sonnet 5Ministral 3B
APEX-Agents54.5%—
GBAEval65.3%—
LMArena Search1194—
Vending-Bench 26,378—

Reasoning Claude Sonnet 5 leads

Claude Sonnet 5: 48.2 (#37), Ministral 3B: 17.7 (#278)

BenchmarkClaude Sonnet 5Ministral 3B
DTBench92.5%51.7%
LMCA50%5.5%
Epoch Capabilities Index156.34118.08
SimpleBench60.6%—
NYT Connections (extended)75.1%—
CritPt16.9%—
Chess Puzzles35%—
LMArena Hard Prompts1461—
Mystery Game Puzzles35%—
Surface Evolver Bench60%—
Bench to the Future 30.14—
ForecastBench61.1—

Math Claude Sonnet 5 leads

Claude Sonnet 5: 66.1 (#21), Ministral 3B: 24.5 (#257)

BenchmarkClaude Sonnet 5Ministral 3B
FrontierMath (Tiers 1-3)65.6%—
FrontierMath Tier 429.3%—
OTIS Mock AIME 2024-202594.7%—
ProofBench77%—
LMArena Math1467—
MATH Level 5—14.4%

Knowledge Claude Sonnet 5 leads

Claude Sonnet 5: 55.7 (#42), Ministral 3B: 10.4 (#297)

BenchmarkClaude Sonnet 5Ministral 3B
GPQA Diamond90.5%25.3%
SimpleQA Verified33.7%—
Vectara Hallucination Rate—7.3%
LMArena Expert1491—

Multimodal Not comparable

Claude Sonnet 5: 42.4 (#26), Ministral 3B: —

BenchmarkClaude Sonnet 5Ministral 3B
LMArena Vision1275—
Blueprint-Bench 224.9%—
LMArena Document1466—

Multilingual Not comparable

Claude Sonnet 5: 54.0 (#55), Ministral 3B: —

BenchmarkClaude Sonnet 5Ministral 3B
LMArena Non-English1431—
LMArena Chinese1475—
LMArena French1457—
LMArena German1448—
LMArena Japanese1422—
LMArena Korean1411—
LMArena Russian1452—
LMArena Spanish1436—

Instruction Following Not comparable

Claude Sonnet 5: 76.6 (#39), Ministral 3B: —

BenchmarkClaude Sonnet 5Ministral 3B
LMArena Instruction Following1453—

Long Context Not comparable

Claude Sonnet 5: 44.8 (#53), Ministral 3B: —

BenchmarkClaude Sonnet 5Ministral 3B
LMArena Longer Query1464—

Writing & Preference Not comparable

Claude Sonnet 5: 69.4 (#24), Ministral 3B: —

BenchmarkClaude Sonnet 5Ministral 3B
LMArena Text1443—
LMArena Creative Writing1416—
EQ-Bench Creative Writing1794—
EQ-Bench 41236—
LMArena Multi-Turn1454—

Frequently asked questions

Is Claude Sonnet 5 better than Ministral 3B?

Claude Sonnet 5 is the stronger model overall, scoring 54.5 to 25.6 on the Noometry Index. Ministral 3B costs 100× less per token, which makes it the better buy when Claude Sonnet 5's lead doesn't matter for your workload.

Which is cheaper, Claude Sonnet 5 or Ministral 3B?

Ministral 3B is cheaper. It lists at $0.04 per million input tokens and $0.04 per million output tokens; Claude Sonnet 5 lists at $2 and $10.

Which has the bigger context window?

Claude Sonnet 5 does, with 1M tokens against 128K.

How many benchmarks do Claude Sonnet 5 and Ministral 3B share?

4 benchmarks have published results for both models. Claude Sonnet 5 has 51 scored results on Noometry and Ministral 3B has 6.

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