Noometry

Model comparison

Claude Opus 4.7 vs Ministral 3B

Claude Opus 4.7 is the stronger model overall, scoring 58.4 to 25.6 on the Noometry Index. Ministral 3B costs 250× less per token, which makes it the better buy when Claude Opus 4.7's lead doesn't matter for your workload.

Last verified . 5 shared benchmarks.

Claude Opus 4.7 Anthropic

58.4

Rank #17 Confirmed

Ministral 3B Mistral AI

25.6

Rank #336 Confirmed

Summary

  • They share 5 benchmarks with published results for both. Claude Opus 4.7 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 Opus 4.7 leads 62.6 to 10.4.
  • The biggest single-benchmark swing is GPQA Diamond: 90.2% for Claude Opus 4.7 and 25.3% for Ministral 3B.
  • Ministral 3B is cheaper at $0.04 / $0.04 per million input/output tokens, against $5 / $25 for Claude Opus 4.7.
  • Claude Opus 4.7 accepts more context: 1M tokens versus 128K.
  • Ministral 3B has downloadable open weights; the other is API-only.

Side by side

Claude Opus 4.7Ministral 3B
ProviderAnthropicMistral AI
Noometry Index58.425.6
Released2026-04-142024-10-01
WeightsProprietaryOpen
Context window1M128K
Max output128K128K
Input $ / M tokens$5$0.04
Output $ / M tokens$25$0.04
Results tracked666

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Category by category

Coding Not comparable

Claude Opus 4.7: 59.9 (#10), Ministral 3B: —

BenchmarkClaude Opus 4.7Ministral 3B
SWE-bench Verified83.5%—
FrontierCode38.5%—
LMArena WebDev1557—
SciCode54.5%—
GSO44.1%—
WeirdML76.4%—
LMArena Coding1519—
MirrorCode31.1%—
ALE-Bench1,323—

Agentic & Tool Use Not comparable

Claude Opus 4.7: 47.9 (#8), Ministral 3B: —

BenchmarkClaude Opus 4.7Ministral 3B
Terminal-Bench80.2%—
APEX-Agents49.2%—
OSWorld 2.018.2%—
τ²-bench Banking40.2%—
PostTrainBench28.6%—
ExploitBench26.5%—
GBAEval43.8%—
GDP.pdf21%—
LMArena Search1233—
Vending-Bench 210,937—

Reasoning Claude Opus 4.7 leads

Claude Opus 4.7: 53.7 (#24), Ministral 3B: 17.7 (#278)

BenchmarkClaude Opus 4.7Ministral 3B
DTBench94.7%51.7%
LMCA52.2%5.5%
Epoch Capabilities Index156.39118.08
ARC-AGI-275.8%—
SimpleBench61.7%—
Kagi LLM Benchmark80.7%—
NYT Connections (extended)39%—
ARC-AGI-193.5%—
CritPt12%—
Chess Puzzles30%—
Thematic Generalization72.8%—
EBR-Bench19%—
LMArena Hard Prompts1507—
Mystery Game Puzzles28%—
ForecastBench60.3—

Math Claude Opus 4.7 leads

Claude Opus 4.7: 66.5 (#20), Ministral 3B: 24.5 (#257)

BenchmarkClaude Opus 4.7Ministral 3B
FrontierMath (Tiers 1-3)70.2%—
FrontierMath Tier 431.7%—
MathArena Final-Answer Competitions73.6%—
OTIS Mock AIME 2024-202597.8%—
ProofBench54%—
LMArena Math1499—
MATH Level 5—14.4%
FrontierMath (Feb 2025 set)43.8%—
FrontierMath Tier 4 (v1)22.9%—

Knowledge Claude Opus 4.7 leads

Claude Opus 4.7: 62.6 (#20), Ministral 3B: 10.4 (#297)

BenchmarkClaude Opus 4.7Ministral 3B
GPQA Diamond90.2%25.3%
Vectara Hallucination Rate12%7.3%
Humanity's Last Exam36.2%—
SimpleQA Verified51.7%—
LMArena Expert1521—

Multimodal Not comparable

Claude Opus 4.7: 41.5 (#29), Ministral 3B: —

BenchmarkClaude Opus 4.7Ministral 3B
LMArena Vision1317—
Blueprint-Bench 224.5%—
Furniture Assembly33.3%—
LMArena Document1495—

Multilingual Not comparable

Claude Opus 4.7: 57.5 (#9), Ministral 3B: —

BenchmarkClaude Opus 4.7Ministral 3B
LMArena Non-English1481—
LMArena Chinese1530—
LMArena French1505—
LMArena German1494—
LMArena Japanese1472—
LMArena Korean1466—
LMArena Russian1494—
LMArena Spanish1497—

Instruction Following Not comparable

Claude Opus 4.7: 78.6 (#9), Ministral 3B: —

BenchmarkClaude Opus 4.7Ministral 3B
LMArena Instruction Following1498—

Long Context Not comparable

Claude Opus 4.7: 46.1 (#24), Ministral 3B: —

BenchmarkClaude Opus 4.7Ministral 3B
LMArena Longer Query1505—

Writing & Preference Not comparable

Claude Opus 4.7: 75.3 (#8), Ministral 3B: —

BenchmarkClaude Opus 4.7Ministral 3B
LMArena Text1491—
LMArena Creative Writing1486—
EQ-Bench Creative Writing1914—
EQ-Bench 41311—
LMArena Multi-Turn1506—

Frequently asked questions

Is Claude Opus 4.7 better than Ministral 3B?

Claude Opus 4.7 is the stronger model overall, scoring 58.4 to 25.6 on the Noometry Index. Ministral 3B costs 250× less per token, which makes it the better buy when Claude Opus 4.7's lead doesn't matter for your workload.

Which is cheaper, Claude Opus 4.7 or Ministral 3B?

Ministral 3B is cheaper. It lists at $0.04 per million input tokens and $0.04 per million output tokens; Claude Opus 4.7 lists at $5 and $25.

Which has the bigger context window?

Claude Opus 4.7 does, with 1M tokens against 128K.

How many benchmarks do Claude Opus 4.7 and Ministral 3B share?

5 benchmarks have published results for both models. Claude Opus 4.7 has 66 scored results on Noometry and Ministral 3B has 6.

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