Noometry

Model comparison

Claude Opus 5 vs Mistral Large

Claude Opus 5 is the stronger model overall, scoring 67.8 to 31.9 on the Noometry Index. Mistral Large costs 3.3× less per token, which makes it the better buy when Claude Opus 5's lead doesn't matter for your workload.

Last verified . 27 shared benchmarks.

Claude Opus 5 Anthropic

67.8

Rank #4 Confirmed

Mistral Large Mistral AI

31.9

Rank #263 Confirmed

Summary

  • They share 27 benchmarks with published results for both. Claude Opus 5 scores higher in 9 categories and Mistral Large in 0 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in math, where Claude Opus 5 leads 86.2 to 18.2.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 98.9% for Claude Opus 5 and 8.5% for Mistral Large.
  • Mistral Large is cheaper at $2 / $6 per million input/output tokens, against $5 / $25 for Claude Opus 5.
  • Claude Opus 5 accepts more context: 1M tokens versus 131K.
  • Mistral Large has downloadable open weights; the other is API-only.

Side by side

Claude Opus 5Mistral Large
ProviderAnthropicMistral AI
Noometry Index67.831.9
Released2026-07-242024-02-26
WeightsProprietaryOpen
Context window1M131K
Max output128K16K
Input $ / M tokens$5$2
Output $ / M tokens$25$6
Results tracked5751

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Category by category

Coding Claude Opus 5 leads

Claude Opus 5: 67.5 (#5), Mistral Large: 34.3 (#240)

BenchmarkClaude Opus 5Mistral Large
SciCode56.4%36.2%
LMArena Coding15341277
ALE-Bench2,165264.7
DeepSWE73.6%—
FrontierCode53.4%—
CursorBench46.6%—
LMArena WebDev1691—
FrontierSWE52%—
WeirdML91.8%—
BigCodeBench Instruct—30%
LiveBench Coding—47.1%
BigCodeBench Complete—38.3%
HumanEval+—62.2%
MBPP+—59.5%

Agentic & Tool Use Claude Opus 5 leads

Claude Opus 5: 55.6 (#1), Mistral Large: 28.6 (#89)

BenchmarkClaude Opus 5Mistral Large
APEX-Agents65.8%—
Berkeley Function Calling Leaderboard—38.4%
OSWorld 2.031.4%—
τ²-bench Banking48.7%—
PostTrainBench35%—
BALROG63.4%—
GBAEval79.6%—
GDP.pdf24%—
Vending-Bench 211,182—

Reasoning Claude Opus 5 leads

Claude Opus 5: 77.2 (#4), Mistral Large: 15.8 (#310)

BenchmarkClaude Opus 5Mistral Large
SimpleBench80.6%22.5%
CritPt29.1%0%
LMArena Hard Prompts15261257
DTBench97.9%65.1%
LMCA64.5%16.7%
Epoch Capabilities Index162.78128.52
ARC-AGI-290.4%—
NYT Connections (extended)94.3%—
ARC-AGI-197.5%—
Chess Puzzles42%—
EBR-Bench45.7%—
LiveBench Reasoning—43.5%
Mystery Game Puzzles59%—
LiveBench Data Analysis—50.1%
Bench to the Future 30.12—
ForecastBench—57.1
LiveBench—48.4%

Math Claude Opus 5 leads

Claude Opus 5: 86.2 (#8), Mistral Large: 18.2 (#291)

BenchmarkClaude Opus 5Mistral Large
OTIS Mock AIME 2024-202598.9%8.5%
LMArena Math15311262
FrontierMath (Tiers 1-3)85.6%—
FrontierMath Tier 473.2%—
ProofBench99%—
Omni-MATH—28.1%
LiveBench Math—42.5%
MATH Level 5—50.3%
FrontierMath (Feb 2025 set)—0.3%

Knowledge Claude Opus 5 leads

Claude Opus 5: 66.8 (#9), Mistral Large: 30.1 (#230)

BenchmarkClaude Opus 5Mistral Large
GPQA Diamond93.9%51.3%
LMArena Expert15571232
SimpleQA Verified59.9%—
MMLU-Pro—59.9%
Confabulations—21.4%
Vectara Hallucination Rate—4.5%
GPQA (HELM)—43.5%
MMLU—80%

Multimodal Not comparable

Claude Opus 5: 50.8 (#8), Mistral Large: —

BenchmarkClaude Opus 5Mistral Large
LMArena Vision1319—
Blueprint-Bench 230.4%—
Furniture Assembly60.8%—
LMArena Document1516—

Multilingual Claude Opus 5 leads

Claude Opus 5: 58.8 (#4), Mistral Large: 40.0 (#219)

BenchmarkClaude Opus 5Mistral Large
LMArena Non-English15011237
LMArena Chinese15741240
LMArena French15191325
LMArena German15241254
LMArena Japanese15161188
LMArena Korean15211202
LMArena Russian15071257
LMArena Spanish15191268

Instruction Following Claude Opus 5 leads

Claude Opus 5: 79.2 (#7), Mistral Large: 67.9 (#191)

BenchmarkClaude Opus 5Mistral Large
LMArena Instruction Following15171249
LiveBench Instruction Following—67.9%
IFEval—87.7%

Long Context Claude Opus 5 leads

Claude Opus 5: 46.5 (#21), Mistral Large: 38.3 (#199)

BenchmarkClaude Opus 5Mistral Large
LMArena Longer Query15151261

Writing & Preference Claude Opus 5 leads

Claude Opus 5: 79.2 (#1), Mistral Large: 40.7 (#242)

BenchmarkClaude Opus 5Mistral Large
LMArena Text15071266
LMArena Creative Writing14911243
EQ-Bench Creative Writing2133985
LMArena Multi-Turn14991260
Short-Story Creative Writing—69%
WildBench—80.1%
EQ-Bench 41385—
LiveBench Language—39.4%

Frequently asked questions

Is Claude Opus 5 better than Mistral Large?

Claude Opus 5 is the stronger model overall, scoring 67.8 to 31.9 on the Noometry Index. Mistral Large costs 3.3× less per token, which makes it the better buy when Claude Opus 5's lead doesn't matter for your workload.

Which is cheaper, Claude Opus 5 or Mistral Large?

Mistral Large is cheaper. It lists at $2 per million input tokens and $6 per million output tokens; Claude Opus 5 lists at $5 and $25.

Is Claude Opus 5 or Mistral Large better for coding?

Claude Opus 5 scores higher on coding benchmarks: 67.5 versus 34.3 in the Noometry coding category.

Which has the bigger context window?

Claude Opus 5 does, with 1M tokens against 131K.

How many benchmarks do Claude Opus 5 and Mistral Large share?

27 benchmarks have published results for both models. Claude Opus 5 has 57 scored results on Noometry and Mistral Large has 51.

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