Noometry

Model comparison

Mistral Small 3 vs Mixtral 8x22B

Mistral Small 3 is the stronger model overall, scoring 31.2 to 27.1 on the Noometry Index.

Last verified . 20 shared benchmarks.

Mistral Small 3 Mistral AI

31.2

Rank #278 Confirmed

Mixtral 8x22B Mistral AI

27.1

Rank #333 Confirmed

Summary

  • They share 20 benchmarks with published results for both. Mistral Small 3 scores higher in 5 categories and Mixtral 8x22B in 3 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in coding, where Mistral Small 3 leads 36.5 to 24.2.
  • The biggest single-benchmark swing is GPQA Diamond: 47.3% for Mistral Small 3 and 34.1% for Mixtral 8x22B.
  • Mistral Small 3 is cheaper at $0.05 / $0.08 per million input/output tokens, against $2 / $6 for Mixtral 8x22B.
  • Mixtral 8x22B accepts more context: 64K tokens versus 33K.

Side by side

Mistral Small 3Mixtral 8x22B
ProviderMistral AIMistral AI
Noometry Index31.227.1
Released2025-01-302024-04-17
WeightsOpenOpen
Context window33K64K
Max output16K64K
Input $ / M tokens$0.05$2
Output $ / M tokens$0.08$6
Results tracked2434

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Category by category

Coding Mistral Small 3 leads

Mistral Small 3: 36.5 (#207), Mixtral 8x22B: 24.2 (#329)

BenchmarkMistral Small 3Mixtral 8x22B
BigCodeBench Instruct45.3%40.6%
LMArena Coding12461166
BigCodeBench Complete50.4%50.2%
WeirdML—3.2%
HumanEval+—72%
MBPP+—64.3%

Agentic & Tool Use Not comparable

Mistral Small 3: —, Mixtral 8x22B: 23.1 (#127)

BenchmarkMistral Small 3Mixtral 8x22B
Cybench—7.5%

Reasoning Too close to call

Mistral Small 3: 18.9 (#273), Mixtral 8x22B: 19.9 (#248)

BenchmarkMistral Small 3Mixtral 8x22B
LMArena Hard Prompts12331150
Epoch Capabilities Index127.07122.03
Chess Puzzles0%—
DTBench—55.1%
ForecastBench—56.3

Math Mixtral 8x22B leads

Mistral Small 3: 16.3 (#295), Mixtral 8x22B: 22.9 (#275)

BenchmarkMistral Small 3Mixtral 8x22B
LMArena Math12401184
OTIS Mock AIME 2024-20256.7%—
Omni-MATH—16.3%
MATH Level 5—24.2%

Knowledge Mistral Small 3 leads

Mistral Small 3: 25.1 (#263), Mixtral 8x22B: 15.1 (#293)

BenchmarkMistral Small 3Mixtral 8x22B
GPQA Diamond47.3%34.1%
LMArena Expert12021113
MMLU-Pro—46%
Confabulations25.2%—
GPQA (HELM)—33.4%
MMLU—77.8%

Multilingual Mistral Small 3 leads

Mistral Small 3: 37.3 (#236), Mixtral 8x22B: 32.8 (#255)

BenchmarkMistral Small 3Mixtral 8x22B
LMArena Non-English11981128
LMArena Chinese12041116
LMArena French12031166
LMArena German12111141
LMArena Japanese11111037
LMArena Korean11881057
LMArena Russian12161158
LMArena Spanish—1151

Instruction Following Mistral Small 3 leads

Mistral Small 3: 63.7 (#229), Mixtral 8x22B: 57.7 (#266)

BenchmarkMistral Small 3Mixtral 8x22B
LMArena Instruction Following12141147
IFEval—72.4%

Long Context Mistral Small 3 leads

Mistral Small 3: 37.8 (#211), Mixtral 8x22B: 34.7 (#247)

BenchmarkMistral Small 3Mixtral 8x22B
LMArena Longer Query12461144

Writing & Preference Mixtral 8x22B leads

Mistral Small 3: 32.2 (#280), Mixtral 8x22B: 36.9 (#262)

BenchmarkMistral Small 3Mixtral 8x22B
LMArena Text12341162
LMArena Creative Writing11951141
LMArena Multi-Turn12171130
EQ-Bench Creative Writing707—
WildBench—71.1%

Frequently asked questions

Is Mistral Small 3 better than Mixtral 8x22B?

Mistral Small 3 is the stronger model overall, scoring 31.2 to 27.1 on the Noometry Index.

Which is cheaper, Mistral Small 3 or Mixtral 8x22B?

Mistral Small 3 is cheaper. It lists at $0.05 per million input tokens and $0.08 per million output tokens; Mixtral 8x22B lists at $2 and $6.

Is Mistral Small 3 or Mixtral 8x22B better for coding?

Mistral Small 3 scores higher on coding benchmarks: 36.5 versus 24.2 in the Noometry coding category.

Which has the bigger context window?

Mixtral 8x22B does, with 64K tokens against 33K.

How many benchmarks do Mistral Small 3 and Mixtral 8x22B share?

20 benchmarks have published results for both models. Mistral Small 3 has 24 scored results on Noometry and Mixtral 8x22B has 34.

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