Model comparison

Claude Opus 4.6 vs Mistral Large 4

Claude Opus 4.6 is the stronger model overall, scoring 58.2 to 43.1 on the Noometry Index. Mistral Large 4 costs 9.7× less per token, which makes it the better buy when Claude Opus 4.6's lead doesn't matter for your workload.

Last verified . 15 shared benchmarks.

Claude Opus 4.6 Anthropic

58.2

Rank #20 Confirmed

Mistral Large 4 Mistral AI

43.1

Rank #99 Confirmed

Summary

  • They share 15 benchmarks with published results for both. Claude Opus 4.6 scores higher in 8 categories and Mistral Large 4 in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Claude Opus 4.6 leads 57.8 to 22.5.
  • The biggest single-benchmark swing is NYT Connections (extended): 92.1% for Claude Opus 4.6 and 27.4% for Mistral Large 4.
  • Mistral Large 4 is cheaper at $0.68 / $2.09 per million input/output tokens, against $5 / $25 for Claude Opus 4.6.
  • Mistral Large 4 accepts more context: 1.05M tokens versus 1M.

Side by side

Claude Opus 4.6 and Mistral Large 4 specifications
Claude Opus 4.6Mistral Large 4
ProviderAnthropicMistral AI
Noometry Index58.243.1
Released2026-02-042026-10-06
WeightsProprietaryProprietary
Context window1M1.05M
Max output128K262K
Input $ / M tokens$5$0.68
Output $ / M tokens$25$2.09
Results tracked6815

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Category by category

Coding Claude Opus 4.6 leads

Claude Opus 4.6: 57.2 (#20), Mistral Large 4: 48.6 (#57)

Coding benchmarks
BenchmarkClaude Opus 4.6Mistral Large 4
LMArena WebDev15471541
LMArena Coding15361475
SWE-bench Verified78.7%—
FrontierCode26.6%—
SWE-bench Verified (bash only)75.6%—
SWE-bench Multilingual72%—
GSO41.2%—
WeirdML78%—
ALE-Bench996.5—
AlgoTune1.47—

Agentic & Tool Use Not comparable

Claude Opus 4.6: 51.1 (#4), Mistral Large 4: —

Agentic & Tool Use benchmarks
BenchmarkClaude Opus 4.6Mistral Large 4
Terminal-Bench79.8%—
APEX-Agents46.3%—
Remote Labor Index4.2%—
τ²-bench Banking27.3%—
Cybench93%—
DeepResearch Bench55.3%—
GBAEval44.1%—
LMArena Search1253—
METR Time Horizons78.9%—
Vending-Bench 28,018—

Reasoning Claude Opus 4.6 leads

Claude Opus 4.6: 57.8 (#23), Mistral Large 4: 22.5 (#192)

Reasoning benchmarks
BenchmarkClaude Opus 4.6Mistral Large 4
NYT Connections (extended)92.1%27.4%
LMArena Hard Prompts15271444
ARC-AGI-269.2%—
SimpleBench67.6%—
Kagi LLM Benchmark83.6%—
ARC-AGI-194%—
Chess Puzzles17%—
EnigmaEval7.6%—
Thematic Generalization80.6%—
EBR-Bench12.7%—
Mystery Game Puzzles25%—
DTBench91.2%—
LMCA55.8%—
Epoch Capabilities Index155.24—
ForecastBench60—

Math Claude Opus 4.6 leads

Claude Opus 4.6: 63.0 (#31), Mistral Large 4: 40.4 (#91)

Knowledge Claude Opus 4.6 leads

Claude Opus 4.6: 61.9 (#26), Mistral Large 4: 36.6 (#166)

Knowledge benchmarks
BenchmarkClaude Opus 4.6Mistral Large 4
SimpleQA Verified47%20%
LMArena Expert15461447
GPQA Diamond90.5%—
Humanity's Last Exam34.4%—
Vectara Hallucination Rate12.2%—

Multimodal Not comparable

Claude Opus 4.6: 37.3 (#74), Mistral Large 4: —

Multimodal benchmarks
BenchmarkClaude Opus 4.6Mistral Large 4
LMArena Vision1316—
Furniture Assembly28.3%—
LMArena Document1507—

Multilingual Claude Opus 4.6 leads

Claude Opus 4.6: 57.9 (#6), Mistral Large 4: 52.6 (#82)

Multilingual benchmarks
BenchmarkClaude Opus 4.6Mistral Large 4
LMArena Non-English14891415
LMArena Chinese15511491
LMArena Russian14971414
LMArena French1513—
LMArena German1502—
LMArena Japanese1484—
LMArena Korean1464—
LMArena Spanish1510—

Instruction Following Claude Opus 4.6 leads

Claude Opus 4.6: 79.5 (#4), Mistral Large 4: 75.0 (#76)

Instruction Following benchmarks
BenchmarkClaude Opus 4.6Mistral Large 4
LMArena Instruction Following15231424

Long Context Claude Opus 4.6 leads

Claude Opus 4.6: 48.1 (#13), Mistral Large 4: 43.6 (#89)

Long Context benchmarks
BenchmarkClaude Opus 4.6Mistral Large 4
LMArena Longer Query15201429
CL-bench20.7%—
CL-bench Life17%—

Writing & Preference Claude Opus 4.6 leads

Claude Opus 4.6: 73.5 (#10), Mistral Large 4: 60.4 (#97)

Writing & Preference benchmarks
BenchmarkClaude Opus 4.6Mistral Large 4
LMArena Text15031427
LMArena Creative Writing15051361
LMArena Multi-Turn15131424
EQ-Bench Creative Writing1809—
EQ-Bench 41223—

Frequently asked questions

Is Claude Opus 4.6 better than Mistral Large 4?

Claude Opus 4.6 is the stronger model overall, scoring 58.2 to 43.1 on the Noometry Index. Mistral Large 4 costs 9.7× less per token, which makes it the better buy when Claude Opus 4.6's lead doesn't matter for your workload.

Which is cheaper, Claude Opus 4.6 or Mistral Large 4?

Mistral Large 4 is cheaper. It lists at $0.68 per million input tokens and $2.09 per million output tokens; Claude Opus 4.6 lists at $5 and $25.

Is Claude Opus 4.6 or Mistral Large 4 better for coding?

Claude Opus 4.6 scores higher on coding benchmarks: 57.2 versus 48.6 in the Noometry coding category.

Which has the bigger context window?

Mistral Large 4 does, with 1.05M tokens against 1M.

How many benchmarks do Claude Opus 4.6 and Mistral Large 4 share?

15 benchmarks have published results for both models. Claude Opus 4.6 has 68 scored results on Noometry and Mistral Large 4 has 15.

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