Noometry

Model comparison

Claude Sonnet 5 vs Mixtral 8x22B

Claude Sonnet 5 is the stronger model overall, scoring 54.5 to 26.7 on the Noometry Index.

Last verified . 22 shared benchmarks.

Claude Sonnet 5 Anthropic

54.5

Rank #26 Confirmed

Mixtral 8x22B Mistral AI

26.7

Rank #330 Confirmed

Summary

  • They share 22 benchmarks with published results for both. Claude Sonnet 5 scores higher in 9 categories and Mixtral 8x22B in 0 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in math, where Claude Sonnet 5 leads 66.1 to 21.2.
  • The biggest single-benchmark swing is WeirdML: 68.8% for Claude Sonnet 5 and 3.2% for Mixtral 8x22B.
  • Mixtral 8x22B is cheaper at $2 / $6 per million input/output tokens, against $2 / $10 for Claude Sonnet 5.
  • Claude Sonnet 5 accepts more context: 1M tokens versus 64K.
  • Mixtral 8x22B has downloadable open weights; the other is API-only.

Side by side

Claude Sonnet 5Mixtral 8x22B
ProviderAnthropicMistral AI
Noometry Index54.526.7
Released2026-06-292024-04-17
WeightsProprietaryOpen
Context window1M64K
Max output128K64K
Input $ / M tokens$2$2
Output $ / M tokens$10$6
Results tracked5134

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Category by category

Coding Claude Sonnet 5 leads

Claude Sonnet 5: 55.5 (#20), Mixtral 8x22B: 23.8 (#324)

BenchmarkClaude Sonnet 5Mixtral 8x22B
WeirdML68.8%3.2%
LMArena Coding14831166
DeepSWE53.8%—
FrontierCode42.7%—
CursorBench34.1%—
LMArena WebDev1540—
SciCode53.6%—
GSO37.3%—
BigCodeBench Instruct—40.6%
BigCodeBench Complete—50.2%
ALE-Bench1,463—
HumanEval+—72%
MBPP+—64.3%

Agentic & Tool Use Claude Sonnet 5 leads

Claude Sonnet 5: 42.7 (#16), Mixtral 8x22B: 22.8 (#119)

BenchmarkClaude Sonnet 5Mixtral 8x22B
APEX-Agents54.5%—
Cybench—7.5%
GBAEval65.3%—
LMArena Search1194—
Vending-Bench 26,378—

Reasoning Claude Sonnet 5 leads

Claude Sonnet 5: 48.2 (#37), Mixtral 8x22B: 19.1 (#246)

BenchmarkClaude Sonnet 5Mixtral 8x22B
LMArena Hard Prompts14611150
DTBench92.5%55.1%
Epoch Capabilities Index156.34122
ForecastBench61.156.3
SimpleBench60.6%—
NYT Connections (extended)75.1%—
CritPt16.9%—
Chess Puzzles35%—
Mystery Game Puzzles35%—
LMCA50%—
Surface Evolver Bench60%—
Bench to the Future 30.14—

Math Claude Sonnet 5 leads

Claude Sonnet 5: 66.1 (#21), Mixtral 8x22B: 21.2 (#271)

BenchmarkClaude Sonnet 5Mixtral 8x22B
LMArena Math14671184
FrontierMath (Tiers 1-3)65.6%—
FrontierMath Tier 429.3%—
OTIS Mock AIME 2024-202594.7%—
ProofBench77%—
Omni-MATH—16.3%
MATH Level 5—24.2%

Knowledge Claude Sonnet 5 leads

Claude Sonnet 5: 55.7 (#42), Mixtral 8x22B: 15.1 (#288)

BenchmarkClaude Sonnet 5Mixtral 8x22B
GPQA Diamond90.5%34.1%
LMArena Expert14911113
SimpleQA Verified33.7%—
MMLU-Pro—46%
GPQA (HELM)—33.4%
MMLU—77.8%

Multimodal Not comparable

Claude Sonnet 5: 42.4 (#26), Mixtral 8x22B: —

BenchmarkClaude Sonnet 5Mixtral 8x22B
LMArena Vision1275—
Blueprint-Bench 224.9%—
LMArena Document1466—

Multilingual Claude Sonnet 5 leads

Claude Sonnet 5: 54.0 (#55), Mixtral 8x22B: 32.9 (#250)

BenchmarkClaude Sonnet 5Mixtral 8x22B
LMArena Non-English14311128
LMArena Chinese14751116
LMArena French14571165
LMArena German14481141
LMArena Japanese14221037
LMArena Korean14111056
LMArena Russian14521158
LMArena Spanish14361150

Instruction Following Claude Sonnet 5 leads

Claude Sonnet 5: 76.6 (#39), Mixtral 8x22B: 57.9 (#261)

BenchmarkClaude Sonnet 5Mixtral 8x22B
LMArena Instruction Following14531147
IFEval—72.4%

Long Context Claude Sonnet 5 leads

Claude Sonnet 5: 44.8 (#53), Mixtral 8x22B: 34.6 (#242)

BenchmarkClaude Sonnet 5Mixtral 8x22B
LMArena Longer Query14641144

Writing & Preference Claude Sonnet 5 leads

Claude Sonnet 5: 69.4 (#24), Mixtral 8x22B: 37.1 (#257)

BenchmarkClaude Sonnet 5Mixtral 8x22B
LMArena Text14431162
LMArena Creative Writing14161141
LMArena Multi-Turn14541130
EQ-Bench Creative Writing1794—
WildBench—71.1%
EQ-Bench 41236—

Frequently asked questions

Is Claude Sonnet 5 better than Mixtral 8x22B?

Claude Sonnet 5 is the stronger model overall, scoring 54.5 to 26.7 on the Noometry Index.

Which is cheaper, Claude Sonnet 5 or Mixtral 8x22B?

Mixtral 8x22B is cheaper. It lists at $2 per million input tokens and $6 per million output tokens; Claude Sonnet 5 lists at $2 and $10.

Is Claude Sonnet 5 or Mixtral 8x22B better for coding?

Claude Sonnet 5 scores higher on coding benchmarks: 55.5 versus 23.8 in the Noometry coding category.

Which has the bigger context window?

Claude Sonnet 5 does, with 1M tokens against 64K.

How many benchmarks do Claude Sonnet 5 and Mixtral 8x22B share?

22 benchmarks have published results for both models. Claude Sonnet 5 has 51 scored results on Noometry and Mixtral 8x22B has 34.

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