Noometry

Model comparison

Gemini 2.5 Pro vs Mistral Small

Gemini 2.5 Pro is the stronger model overall, scoring 45.0 to 33.4 on the Noometry Index. Mistral Small costs 13× less per token, which makes it the better buy when Gemini 2.5 Pro's lead doesn't matter for your workload.

Last verified . 35 shared benchmarks.

Gemini 2.5 Pro Google

45.0

Rank #75 Confirmed

Mistral Small Mistral AI

33.4

Rank #243 Confirmed

Summary

  • They share 35 benchmarks with published results for both. Gemini 2.5 Pro scores higher in 10 categories and Mistral Small in 0 categories; 10 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Gemini 2.5 Pro leads 56.0 to 31.0.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 84.7% for Gemini 2.5 Pro and 5.8% for Mistral Small.
  • Mistral Small is cheaper at $0.15 / $0.60 per million input/output tokens, against $1.25 / $10 for Gemini 2.5 Pro.
  • Gemini 2.5 Pro accepts more context: 1.05M tokens versus 262K.
  • Mistral Small has downloadable open weights; the other is API-only.

Side by side

Gemini 2.5 ProMistral Small
ProviderGoogleMistral AI
Noometry Index45.033.4
Released2025-03-252024-02-26
WeightsProprietaryOpen
Context window1.05M262K
Max output66K256K
Input $ / M tokens$1.25$0.15
Output $ / M tokens$10$0.60
Results tracked7839

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Category by category

Coding Gemini 2.5 Pro leads

Gemini 2.5 Pro: 42.4 (#101), Mistral Small: 34.0 (#247)

BenchmarkGemini 2.5 ProMistral Small
SciCode42.8%26.5%
LiveBench Coding85.9%36.2%
LMArena Coding14521362
ALE-Bench785.52497.62
SWE-bench Verified57.6%—
SWE-bench Verified (bash only)53.6%—
Aider Polyglot83.1%—
LMArena WebDev1227—
GSO3.9%—
WeirdML54%—
BigCodeBench Instruct—36.1%
BigCodeBench Complete—46.6%
CadEval64%—
AlgoTune1.51—

Agentic & Tool Use Gemini 2.5 Pro leads

Gemini 2.5 Pro: 29.2 (#88), Mistral Small: 28.1 (#93)

BenchmarkGemini 2.5 ProMistral Small
Terminal-Bench32.6%—
Berkeley Function Calling Leaderboard—37.1%
GDPval23.3%—
Remote Labor Index0.8%—
TheAgentCompany30.3%—
τ²-bench Banking13.7%—
DeepResearch Bench42.8%—
BALROG43.3%—
LMArena Search1142—
METR Time Horizons55.4%—
Vending-Bench 2573.64—

Reasoning Gemini 2.5 Pro leads

Gemini 2.5 Pro: 28.8 (#99), Mistral Small: 19.8 (#250)

BenchmarkGemini 2.5 ProMistral Small
Kagi LLM Benchmark70.3%37.8%
CritPt2%0%
LiveBench Reasoning89.8%44.8%
LMArena Hard Prompts14551335
DTBench82.4%70.9%
LiveBench Data Analysis79.9%53.7%
LMCA34.8%20.6%
LiveBench82.3%44%
ARC-AGI-24.9%—
SimpleBench62.4%—
ARC-AGI-141%—
Chess Puzzles20%—
EnigmaEval5.6%—
Epoch Capabilities Index145.32—
ForecastBench61.3—

Math Gemini 2.5 Pro leads

Gemini 2.5 Pro: 32.5 (#213), Mistral Small: 16.4 (#293)

BenchmarkGemini 2.5 ProMistral Small
OTIS Mock AIME 2024-202584.7%5.8%
LiveBench Math90.2%39.9%
LMArena Math14501341
MATH Level 595.9%46.8%
FrontierMath (Tiers 1-3)24.6%—
FrontierMath Tier 40%—
Omni-MATH41.6%—
FrontierMath (Feb 2025 set)14.1%—
FrontierMath Tier 4 (v1)4.2%—

Knowledge Gemini 2.5 Pro leads

Gemini 2.5 Pro: 56.0 (#46), Mistral Small: 31.0 (#222)

BenchmarkGemini 2.5 ProMistral Small
GPQA Diamond85.3%47.5%
Vectara Hallucination Rate7%5.1%
LMArena Expert14521291
Humanity's Last Exam21.6%—
MMLU-Pro86.3%—
Confabulations10.6%—
GPQA (HELM)74.9%—
MMLU—68.7%

Multimodal Gemini 2.5 Pro leads

Gemini 2.5 Pro: 45.2 (#18), Mistral Small: 33.5 (#96)

BenchmarkGemini 2.5 ProMistral Small
LMArena Vision12631142
GeoBench86%—
VPCT48%—
LMArena Document1421—
SpatialViz-Bench44.7%—

Multilingual Gemini 2.5 Pro leads

Gemini 2.5 Pro: 55.3 (#31), Mistral Small: 45.5 (#169)

BenchmarkGemini 2.5 ProMistral Small
LMArena Non-English14511315
LMArena Chinese15071340
LMArena French14721337
LMArena German14871340
LMArena Japanese14611275
LMArena Korean14341259
LMArena Russian14611324
LMArena Spanish14731346

Instruction Following Gemini 2.5 Pro leads

Gemini 2.5 Pro: 75.0 (#75), Mistral Small: 66.4 (#209)

BenchmarkGemini 2.5 ProMistral Small
LiveBench Instruction Following80.6%63.7%
LMArena Instruction Following14371310
IFEval84%—

Long Context Gemini 2.5 Pro leads

Gemini 2.5 Pro: 59.8 (#5), Mistral Small: 40.4 (#156)

BenchmarkGemini 2.5 ProMistral Small
LMArena Longer Query14491327
Fiction.LiveBench91.7%—

Writing & Preference Gemini 2.5 Pro leads

Gemini 2.5 Pro: 63.7 (#62), Mistral Small: 52.5 (#171)

BenchmarkGemini 2.5 ProMistral Small
LMArena Text14581338
LMArena Creative Writing14541305
LMArena Multi-Turn14531344
LiveBench Language67.8%30.5%
Short-Story Creative Writing83.8%—
EQ-Bench Creative Writing1421—
WildBench85.7%—

Frequently asked questions

Is Gemini 2.5 Pro better than Mistral Small?

Gemini 2.5 Pro is the stronger model overall, scoring 45.0 to 33.4 on the Noometry Index. Mistral Small costs 13× less per token, which makes it the better buy when Gemini 2.5 Pro's lead doesn't matter for your workload.

Which is cheaper, Gemini 2.5 Pro or Mistral Small?

Mistral Small is cheaper. It lists at $0.15 per million input tokens and $0.60 per million output tokens; Gemini 2.5 Pro lists at $1.25 and $10.

Is Gemini 2.5 Pro or Mistral Small better for coding?

Gemini 2.5 Pro scores higher on coding benchmarks: 42.4 versus 34.0 in the Noometry coding category.

Which has the bigger context window?

Gemini 2.5 Pro does, with 1.05M tokens against 262K.

How many benchmarks do Gemini 2.5 Pro and Mistral Small share?

35 benchmarks have published results for both models. Gemini 2.5 Pro has 78 scored results on Noometry and Mistral Small has 39.

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