Model comparison

GPT-4.1 mini vs Mistral Small

GPT-4.1 mini and Mistral Small score almost the same on the Noometry Index (33.6 vs 33.4), so choose on price, context window or the category you care about most.

Last verified . 28 shared benchmarks.

GPT-4.1 mini OpenAI

33.6

Rank #240 Confirmed

Mistral Small Mistral AI

33.4

Rank #243 Confirmed

Summary

  • They share 28 benchmarks with published results for both. GPT-4.1 mini scores higher in 6 categories and Mistral Small in 4 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Mistral Small leads 19.8 to 10.8.
  • The biggest single-benchmark swing is MATH Level 5: 87.3% for GPT-4.1 mini and 46.8% for Mistral Small.
  • Mistral Small is cheaper at $0.15 / $0.60 per million input/output tokens, against $0.40 / $1.60 for GPT-4.1 mini.
  • GPT-4.1 mini accepts more context: 1.05M tokens versus 262K.
  • Mistral Small has downloadable open weights; the other is API-only.

Side by side

GPT-4.1 mini and Mistral Small specifications
GPT-4.1 miniMistral Small
ProviderOpenAIMistral AI
Noometry Index33.633.4
Released2025-04-142024-02-26
WeightsProprietaryOpen
Context window1.05M262K
Max output33K256K
Input $ / M tokens$0.40$0.15
Output $ / M tokens$1.60$0.60
Results tracked4739

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Mistral Small leads

GPT-4.1 mini: 30.6 (#293), Mistral Small: 34.0 (#247)

Coding benchmarks
BenchmarkGPT-4.1 miniMistral Small
SciCode40.4%26.5%
BigCodeBench Instruct48.9%36.1%
LMArena Coding13671362
SWE-bench Verified (bash only)23.9%—
Aider Polyglot32.4%—
WeirdML37.6%—
LiveBench Coding—36.2%
BigCodeBench Complete—46.6%
CadEval16%—
ALE-Bench—497.62

Agentic & Tool Use GPT-4.1 mini leads

GPT-4.1 mini: 33.3 (#55), Mistral Small: 28.1 (#93)

Agentic & Tool Use benchmarks
BenchmarkGPT-4.1 miniMistral Small
Berkeley Function Calling Leaderboard50.5%37.1%

Reasoning Mistral Small leads

GPT-4.1 mini: 10.8 (#340), Mistral Small: 19.8 (#250)

Reasoning benchmarks
BenchmarkGPT-4.1 miniMistral Small
Kagi LLM Benchmark48.6%37.8%
CritPt0%0%
LMArena Hard Prompts13491335
DTBench68.8%70.9%
LMCA21.1%20.6%
ARC-AGI-20%—
ARC-AGI-13.5%—
Chess Puzzles7%—
LiveBench Reasoning—44.8%
Mystery Game Puzzles7%—
LiveBench Data Analysis—53.7%
Epoch Capabilities Index135.01—
LiveBench—44%

Math GPT-4.1 mini leads

GPT-4.1 mini: 24.1 (#270), Mistral Small: 16.4 (#293)

Math benchmarks
BenchmarkGPT-4.1 miniMistral Small
OTIS Mock AIME 2024-202544.7%5.8%
LMArena Math13431341
MATH Level 587.3%46.8%
FrontierMath (Tiers 1-3)6.7%—
Omni-MATH49.1%—
LiveBench Math—39.9%
FrontierMath (Feb 2025 set)4.5%—

Knowledge GPT-4.1 mini leads

GPT-4.1 mini: 34.7 (#194), Mistral Small: 31.0 (#222)

Knowledge benchmarks
BenchmarkGPT-4.1 miniMistral Small
GPQA Diamond65.8%47.5%
LMArena Expert13381291
SimpleQA Verified12.7%—
MMLU-Pro78.3%—
Vectara Hallucination Rate—5.1%
GPQA (HELM)61.4%—
MMLU—68.7%

Multimodal GPT-4.1 mini leads

GPT-4.1 mini: 35.8 (#82), Mistral Small: 33.5 (#96)

Multimodal benchmarks
BenchmarkGPT-4.1 miniMistral Small
LMArena Vision11811142

Multilingual Too close to call

GPT-4.1 mini: 45.7 (#166), Mistral Small: 45.5 (#169)

Multilingual benchmarks
BenchmarkGPT-4.1 miniMistral Small
LMArena Non-English13181315
LMArena Chinese13291340
LMArena French13581337
LMArena German13511340
LMArena Japanese12901275
LMArena Korean12981259
LMArena Russian13241324
LMArena Spanish13191346

Instruction Following GPT-4.1 mini leads

GPT-4.1 mini: 73.7 (#118), Mistral Small: 66.4 (#209)

Instruction Following benchmarks
BenchmarkGPT-4.1 miniMistral Small
LMArena Instruction Following13331310
LiveBench Instruction Following—63.7%
IFEval90.4%—

Long Context Mistral Small leads

GPT-4.1 mini: 31.8 (#275), Mistral Small: 40.4 (#156)

Long Context benchmarks
BenchmarkGPT-4.1 miniMistral Small
LMArena Longer Query13441327
Fiction.LiveBench44.4%—

Writing & Preference Mistral Small leads

GPT-4.1 mini: 48.6 (#199), Mistral Small: 52.5 (#171)

Writing & Preference benchmarks
BenchmarkGPT-4.1 miniMistral Small
LMArena Text13401338
LMArena Creative Writing13001305
LMArena Multi-Turn13541344
EQ-Bench Creative Writing1147—
WildBench83.8%—
LiveBench Language—30.5%

Frequently asked questions

Is GPT-4.1 mini better than Mistral Small?

GPT-4.1 mini and Mistral Small score almost the same on the Noometry Index (33.6 vs 33.4), so choose on price, context window or the category you care about most.

Which is cheaper, GPT-4.1 mini or Mistral Small?

Mistral Small is cheaper. It lists at $0.15 per million input tokens and $0.60 per million output tokens; GPT-4.1 mini lists at $0.40 and $1.60.

Is GPT-4.1 mini or Mistral Small better for coding?

Mistral Small scores higher on coding benchmarks: 34.0 versus 30.6 in the Noometry coding category.

Which has the bigger context window?

GPT-4.1 mini does, with 1.05M tokens against 262K.

How many benchmarks do GPT-4.1 mini and Mistral Small share?

28 benchmarks have published results for both models. GPT-4.1 mini has 47 scored results on Noometry and Mistral Small has 39.

Related comparisons

Go deeper