Noometry

Model comparison

Claude 3.5 Haiku vs Mistral Small 3

Mistral Small 3 is the stronger model overall, scoring 31.2 to 29.2 on the Noometry Index.

Last verified . 23 shared benchmarks.

Claude 3.5 Haiku Anthropic

29.2

Rank #315 Confirmed

Mistral Small 3 Mistral AI

31.2

Rank #278 Confirmed

Summary

  • They share 23 benchmarks with published results for both. Claude 3.5 Haiku scores higher in 3 categories and Mistral Small 3 in 5 categories; 6 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where Claude 3.5 Haiku leads 42.7 to 32.2.
  • The biggest single-benchmark swing is Confabulations: 36.7% for Claude 3.5 Haiku and 25.2% for Mistral Small 3.
  • Mistral Small 3 has downloadable open weights; the other is API-only.

Side by side

Claude 3.5 HaikuMistral Small 3
ProviderAnthropicMistral AI
Noometry Index29.231.2
Released2024-10-222025-01-30
WeightsProprietaryOpen
Context window—33K
Max output—16K
Input $ / M tokens—$0.05
Output $ / M tokens—$0.08
Results tracked4924

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Category by category

Coding Mistral Small 3 leads

Claude 3.5 Haiku: 32.9 (#265), Mistral Small 3: 36.5 (#207)

BenchmarkClaude 3.5 HaikuMistral Small 3
BigCodeBench Instruct46.1%45.3%
LMArena Coding12861246
BigCodeBench Complete59%50.4%
Aider Polyglot28%—
SciCode27.4%—
WeirdML30.7%—
LiveBench Coding51.4%—
CadEval32%—

Agentic & Tool Use Not comparable

Claude 3.5 Haiku: 28.0 (#95), Mistral Small 3: —

BenchmarkClaude 3.5 HaikuMistral Small 3
BALROG19.3%—

Reasoning Mistral Small 3 leads

Claude 3.5 Haiku: 17.7 (#290), Mistral Small 3: 18.9 (#273)

BenchmarkClaude 3.5 HaikuMistral Small 3
LMArena Hard Prompts12511233
Epoch Capabilities Index127.15127.07
CritPt0%—
Chess Puzzles—0%
LiveBench Reasoning28.1%—
DTBench56.7%—
LiveBench Data Analysis48.5%—
LiveBench43.5%—

Math Mistral Small 3 leads

Claude 3.5 Haiku: 14.7 (#300), Mistral Small 3: 16.3 (#295)

BenchmarkClaude 3.5 HaikuMistral Small 3
OTIS Mock AIME 2024-20254.3%6.7%
LMArena Math12441240
Omni-MATH22.4%—
LiveBench Math35.5%—
MATH Level 546.4%—
FrontierMath (Feb 2025 set)0.3%—

Knowledge Mistral Small 3 leads

Claude 3.5 Haiku: 18.7 (#281), Mistral Small 3: 25.1 (#263)

BenchmarkClaude 3.5 HaikuMistral Small 3
GPQA Diamond38.1%47.3%
Confabulations36.7%25.2%
LMArena Expert12081202
MMLU-Pro60.5%—
GPQA (HELM)36.3%—
MMLU74.3%—

Multimodal Not comparable

Claude 3.5 Haiku: 26.8 (#117), Mistral Small 3: —

BenchmarkClaude 3.5 HaikuMistral Small 3
LMArena Vision1092—
GeoBench34%—

Multilingual Claude 3.5 Haiku leads

Claude 3.5 Haiku: 40.0 (#218), Mistral Small 3: 37.3 (#236)

BenchmarkClaude 3.5 HaikuMistral Small 3
LMArena Non-English12381198
LMArena Chinese12291204
LMArena French12641203
LMArena German12371211
LMArena Japanese11751111
LMArena Korean11731188
LMArena Russian12531216
LMArena Spanish1261—

Instruction Following Too close to call

Claude 3.5 Haiku: 62.9 (#234), Mistral Small 3: 63.7 (#229)

BenchmarkClaude 3.5 HaikuMistral Small 3
LMArena Instruction Following12411214
LiveBench Instruction Following61.9%—
IFEval79.2%—

Long Context Too close to call

Claude 3.5 Haiku: 38.3 (#200), Mistral Small 3: 37.8 (#211)

BenchmarkClaude 3.5 HaikuMistral Small 3
LMArena Longer Query12611246

Writing & Preference Claude 3.5 Haiku leads

Claude 3.5 Haiku: 42.7 (#234), Mistral Small 3: 32.2 (#280)

BenchmarkClaude 3.5 HaikuMistral Small 3
LMArena Text12551234
LMArena Creative Writing12331195
EQ-Bench Creative Writing1146707
LMArena Multi-Turn12651217
Short-Story Creative Writing73.5%—
WildBench76%—
LiveBench Language35.4%—

Frequently asked questions

Is Claude 3.5 Haiku better than Mistral Small 3?

Mistral Small 3 is the stronger model overall, scoring 31.2 to 29.2 on the Noometry Index.

Is Claude 3.5 Haiku or Mistral Small 3 better for coding?

Mistral Small 3 scores higher on coding benchmarks: 36.5 versus 32.9 in the Noometry coding category.

How many benchmarks do Claude 3.5 Haiku and Mistral Small 3 share?

23 benchmarks have published results for both models. Claude 3.5 Haiku has 49 scored results on Noometry and Mistral Small 3 has 24.

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