Model comparison

Claude Opus 4.7 vs Mistral Medium 3

Claude Opus 4.7 has enough public results to be ranked (#19); Mistral Medium 3 does not yet, so treat this comparison as directional.

Last verified . 1 shared benchmarks.

Claude Opus 4.7 Anthropic

58.3

Rank #19 Confirmed

Mistral Medium 3 Mistral AI

37.0

Unranked Sparse

Summary

  • They share 1 benchmark with published results for both. Claude Opus 4.7 scores higher in 1 category and Mistral Medium 3 in 0 categories; one gap is clear of the uncertainty.
  • The widest gap is in knowledge, where Claude Opus 4.7 leads 62.6 to 34.6.
  • Mistral Medium 3 is cheaper at $0.40 / $2 per million input/output tokens, against $5 / $25 for Claude Opus 4.7.
  • Claude Opus 4.7 accepts more context: 1M tokens versus 131K.

Side by side

Claude Opus 4.7 and Mistral Medium 3 specifications
Claude Opus 4.7Mistral Medium 3
ProviderAnthropicMistral AI
Noometry Index58.337.0
Released2026-04-142025-05-07
WeightsProprietaryProprietary
Context window1M131K
Max output128K131K
Input $ / M tokens$5$0.40
Output $ / M tokens$25$2
Results tracked662

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Category by category

Coding Not comparable

Claude Opus 4.7: 59.6 (#13), Mistral Medium 3: —

Coding benchmarks
BenchmarkClaude Opus 4.7Mistral Medium 3
SWE-bench Verified83.5%—
FrontierCode38.5%—
LMArena WebDev1558—
SciCode54.5%—
GSO44.1%—
WeirdML76.4%—
LMArena Coding1518—
MirrorCode31.1%—
ALE-Bench1,323—

Agentic & Tool Use Not comparable

Claude Opus 4.7: 47.9 (#10), Mistral Medium 3: —

Agentic & Tool Use benchmarks
BenchmarkClaude Opus 4.7Mistral Medium 3
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 Not comparable

Claude Opus 4.7: 53.8 (#29), Mistral Medium 3: —

Reasoning benchmarks
BenchmarkClaude Opus 4.7Mistral Medium 3
Epoch Capabilities Index156.25134.07
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 Prompts1506—
Mystery Game Puzzles28%—
DTBench94.7%—
LMCA52.2%—
ForecastBench60.3—

Math Not comparable

Claude Opus 4.7: 66.7 (#26), Mistral Medium 3: —

Knowledge Claude Opus 4.7 leads

Claude Opus 4.7: 62.6 (#23), Mistral Medium 3: 34.6

Knowledge benchmarks
BenchmarkClaude Opus 4.7Mistral Medium 3
GPQA Diamond90.2%—
Humanity's Last Exam36.2%—
SimpleQA Verified51.7%—
Confabulations—21.9%
Vectara Hallucination Rate12%—
LMArena Expert1521—

Multimodal Not comparable

Claude Opus 4.7: 41.2 (#38), Mistral Medium 3: —

Multimodal benchmarks
BenchmarkClaude Opus 4.7Mistral Medium 3
LMArena Vision1316—
Blueprint-Bench 224.5%—
Furniture Assembly33.3%—
LMArena Document1495—

Multilingual Not comparable

Claude Opus 4.7: 57.3 (#10), Mistral Medium 3: —

Multilingual benchmarks
BenchmarkClaude Opus 4.7Mistral Medium 3
LMArena Non-English1480—
LMArena Chinese1531—
LMArena French1503—
LMArena German1495—
LMArena Japanese1472—
LMArena Korean1464—
LMArena Russian1494—
LMArena Spanish1495—

Instruction Following Not comparable

Claude Opus 4.7: 78.4 (#10), Mistral Medium 3: —

Instruction Following benchmarks
BenchmarkClaude Opus 4.7Mistral Medium 3
LMArena Instruction Following1498—

Long Context Not comparable

Claude Opus 4.7: 46.2 (#25), Mistral Medium 3: —

Long Context benchmarks
BenchmarkClaude Opus 4.7Mistral Medium 3
LMArena Longer Query1505—

Writing & Preference Not comparable

Claude Opus 4.7: 75.1 (#8), Mistral Medium 3: —

Writing & Preference benchmarks
BenchmarkClaude Opus 4.7Mistral Medium 3
LMArena Text1490—
LMArena Creative Writing1486—
EQ-Bench Creative Writing1914—
EQ-Bench 41311—
LMArena Multi-Turn1505—

Frequently asked questions

Is Claude Opus 4.7 better than Mistral Medium 3?

Claude Opus 4.7 has enough public results to be ranked (#19); Mistral Medium 3 does not yet, so treat this comparison as directional.

Which is cheaper, Claude Opus 4.7 or Mistral Medium 3?

Mistral Medium 3 is cheaper. It lists at $0.40 per million input tokens and $2 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 131K.

How many benchmarks do Claude Opus 4.7 and Mistral Medium 3 share?

1 benchmark has published results for both models. Claude Opus 4.7 has 66 scored results on Noometry and Mistral Medium 3 has 2.

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