Noometry

Model comparison

Claude Opus 4.1 vs Mixtral 8x7B

Claude Opus 4.1 is the stronger model overall, scoring 40.8 to 26.8 on the Noometry Index. Mixtral 8x7B costs 43× less per token, which makes it the better buy when Claude Opus 4.1's lead doesn't matter for your workload.

Last verified . 21 shared benchmarks.

Claude Opus 4.1 Anthropic

40.8

Rank #136 Confirmed

Mixtral 8x7B Mistral AI

26.8

Rank #328 Confirmed

Summary

  • They share 21 benchmarks with published results for both. Claude Opus 4.1 scores higher in 8 categories and Mixtral 8x7B in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Claude Opus 4.1 leads 41.9 to 11.0.
  • The biggest single-benchmark swing is GPQA Diamond: 77.3% for Claude Opus 4.1 and 30.6% for Mixtral 8x7B.
  • Mixtral 8x7B is cheaper at $0.70 / $0.70 per million input/output tokens, against $15 / $75 for Claude Opus 4.1.
  • Claude Opus 4.1 accepts more context: 200K tokens versus 32K.
  • Mixtral 8x7B has downloadable open weights; the other is API-only.

Side by side

Claude Opus 4.1Mixtral 8x7B
ProviderAnthropicMistral AI
Noometry Index40.826.8
Released2025-08-052023-12-11
WeightsProprietaryOpen
Context window200K32K
Max output32K32K
Input $ / M tokens$15$0.70
Output $ / M tokens$75$0.70
Results tracked4838

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Category by category

Coding Claude Opus 4.1 leads

Claude Opus 4.1: 44.3 (#69), Mixtral 8x7B: 32.2 (#265)

BenchmarkClaude Opus 4.1Mixtral 8x7B
LMArena Coding14791127
SWE-bench Verified73.3%—
LMArena WebDev1390—
WeirdML45.9%—
ALE-Bench674.77—
AlgoTune1.34—
HumanEval+—39.6%
MBPP+—49.7%

Agentic & Tool Use Not comparable

Claude Opus 4.1: 34.8 (#38), Mixtral 8x7B: —

BenchmarkClaude Opus 4.1Mixtral 8x7B
Terminal-Bench38%—
GDPval43.6%—
Cybench42%—
DeepResearch Bench48.3%—
LMArena Search1148—
METR Time Horizons66.8%—

Reasoning Claude Opus 4.1 leads

Claude Opus 4.1: 31.6 (#70), Mixtral 8x7B: 17.4 (#283)

BenchmarkClaude Opus 4.1Mixtral 8x7B
LMArena Hard Prompts14431115
DTBench80%49.6%
Epoch Capabilities Index144.11118.38
ForecastBench6256.3
SimpleBench60%—
Chess Puzzles7%—
EnigmaEval7.2%—
EBR-Bench7.9%—
Mystery Game Puzzles21%—
LMCA37.1%—
Adversarial NLI—55.2%
HellaSwag—86.7%
PIQA—83.6%
WinoGrande—77.2%

Math Claude Opus 4.1 leads

Claude Opus 4.1: 22.0 (#267), Mixtral 8x7B: 17.2 (#284)

BenchmarkClaude Opus 4.1Mixtral 8x7B
LMArena Math14301147
FrontierMath (Tiers 1-3)12.6%—
FrontierMath Tier 42.4%—
OTIS Mock AIME 2024-202568.9%—
Omni-MATH—10.5%
MATH Level 5—10%
FrontierMath (Feb 2025 set)7.2%—
FrontierMath Tier 4 (v1)4.2%—
GSM8K—74.4%

Knowledge Claude Opus 4.1 leads

Claude Opus 4.1: 41.9 (#93), Mixtral 8x7B: 11.0 (#296)

BenchmarkClaude Opus 4.1Mixtral 8x7B
GPQA Diamond77.3%30.6%
LMArena Expert14391088
Humanity's Last Exam11.5%—
MMLU-Pro—33.5%
Confabulations17.1%—
Vectara Hallucination Rate11.8%—
GPQA (HELM)—29.6%
ARC (AI2) Challenge—87.3%
MMLU—70.6%
OpenBookQA—85.8%
TriviaQA—82.2%

Multimodal Not comparable

Claude Opus 4.1: 26.2 (#114), Mixtral 8x7B: —

BenchmarkClaude Opus 4.1Mixtral 8x7B
VPCT35%—

Multilingual Claude Opus 4.1 leads

Claude Opus 4.1: 52.1 (#90), Mixtral 8x7B: 29.8 (#261)

BenchmarkClaude Opus 4.1Mixtral 8x7B
LMArena Non-English14051077
LMArena Chinese14271055
LMArena French14321165
LMArena German14121114
LMArena Japanese1378931
LMArena Korean1381968
LMArena Russian14211090
LMArena Spanish14481110

Instruction Following Claude Opus 4.1 leads

Claude Opus 4.1: 75.8 (#53), Mixtral 8x7B: 51.2 (#292)

BenchmarkClaude Opus 4.1Mixtral 8x7B
LMArena Instruction Following14361110
IFEval—57.5%

Long Context Claude Opus 4.1 leads

Claude Opus 4.1: 44.5 (#60), Mixtral 8x7B: 33.4 (#255)

BenchmarkClaude Opus 4.1Mixtral 8x7B
LMArena Longer Query14551103

Writing & Preference Claude Opus 4.1 leads

Claude Opus 4.1: 62.6 (#70), Mixtral 8x7B: 34.4 (#265)

BenchmarkClaude Opus 4.1Mixtral 8x7B
LMArena Text14191132
LMArena Creative Writing14121109
LMArena Multi-Turn14441115
Short-Story Creative Writing84.7%—
WildBench—67.3%

Frequently asked questions

Is Claude Opus 4.1 better than Mixtral 8x7B?

Claude Opus 4.1 is the stronger model overall, scoring 40.8 to 26.8 on the Noometry Index. Mixtral 8x7B costs 43× less per token, which makes it the better buy when Claude Opus 4.1's lead doesn't matter for your workload.

Which is cheaper, Claude Opus 4.1 or Mixtral 8x7B?

Mixtral 8x7B is cheaper. It lists at $0.70 per million input tokens and $0.70 per million output tokens; Claude Opus 4.1 lists at $15 and $75.

Is Claude Opus 4.1 or Mixtral 8x7B better for coding?

Claude Opus 4.1 scores higher on coding benchmarks: 44.3 versus 32.2 in the Noometry coding category.

Which has the bigger context window?

Claude Opus 4.1 does, with 200K tokens against 32K.

How many benchmarks do Claude Opus 4.1 and Mixtral 8x7B share?

21 benchmarks have published results for both models. Claude Opus 4.1 has 48 scored results on Noometry and Mixtral 8x7B has 38.

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