Noometry

Model comparison

Gemini 3 Flash Preview vs Mistral Small

Gemini 3 Flash Preview is the stronger model overall, scoring 52.3 to 33.4 on the Noometry Index. Mistral Small costs 4.3× less per token, which makes it the better buy when Gemini 3 Flash Preview's lead doesn't matter for your workload.

Last verified . 24 shared benchmarks.

Gemini 3 Flash Preview Google

52.3

Rank #40 Confirmed

Mistral Small Mistral AI

33.4

Rank #243 Confirmed

Summary

  • They share 24 benchmarks with published results for both. Gemini 3 Flash Preview scores higher in 10 categories and Mistral Small in 0 categories; 10 gaps are clear of the uncertainty.
  • The widest gap is in math, where Gemini 3 Flash Preview leads 51.7 to 16.4.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 95.6% for Gemini 3 Flash Preview and 5.8% for Mistral Small.
  • Mistral Small is cheaper at $0.15 / $0.60 per million input/output tokens, against $0.50 / $3 for Gemini 3 Flash Preview.
  • Gemini 3 Flash Preview accepts more context: 1.05M tokens versus 262K.
  • Mistral Small has downloadable open weights; the other is API-only.

Side by side

Gemini 3 Flash PreviewMistral Small
ProviderGoogleMistral AI
Noometry Index52.333.4
Released2025-12-172024-02-26
WeightsProprietaryOpen
Context window1.05M262K
Max output66K256K
Input $ / M tokens$0.50$0.15
Output $ / M tokens$3$0.60
Results tracked5939

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Category by category

Coding Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 50.9 (#42), Mistral Small: 34.0 (#247)

BenchmarkGemini 3 Flash PreviewMistral Small
LMArena Coding14601362
ALE-Bench1,367497.62
SWE-bench Verified75.4%—
SWE-bench Verified (bash only)75.8%—
LMArena WebDev1439—
SWE-bench Multilingual72.7%—
SciCode—26.5%
GSO9.8%—
WeirdML61.6%—
BigCodeBench Instruct—36.1%
LiveBench Coding—36.2%
BigCodeBench Complete—46.6%

Agentic & Tool Use Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 38.7 (#29), Mistral Small: 28.1 (#93)

BenchmarkGemini 3 Flash PreviewMistral Small
Terminal-Bench64.3%—
Berkeley Function Calling Leaderboard—37.1%
τ²-bench Airline82.5%—
τ²-bench Banking27.3%—
τ²-bench Retail76.8%—
τ²-bench Telecom91.2%—
DeepResearch Bench49.8%—
BALROG48.1%—
GDP.pdf10%—
LMArena Search1198—
Vending-Bench 23,635—

Reasoning Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 49.2 (#37), Mistral Small: 19.8 (#250)

BenchmarkGemini 3 Flash PreviewMistral Small
LMArena Hard Prompts14651335
DTBench89.1%70.9%
LMCA43.1%20.6%
ARC-AGI-233.6%—
SimpleBench61.1%—
Kagi LLM Benchmark—37.8%
NYT Connections (extended)83.1%—
ARC-AGI-184.7%—
CritPt—0%
Chess Puzzles40%—
LiveBench Reasoning—44.8%
Mystery Game Puzzles26%—
LiveBench Data Analysis—53.7%
Epoch Capabilities Index151.8—
ForecastBench58.5—
LiveBench—44%

Math Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 51.7 (#55), Mistral Small: 16.4 (#293)

BenchmarkGemini 3 Flash PreviewMistral Small
OTIS Mock AIME 2024-202595.6%5.8%
LMArena Math14731341
FrontierMath (Tiers 1-3)51.2%—
FrontierMath Tier 417.1%—
MathArena Final-Answer Competitions67.6%—
ProofBench15%—
LiveBench Math—39.9%
MATH Level 5—46.8%
FrontierMath (Feb 2025 set)35.6%—
FrontierMath Tier 4 (v1)4.2%—

Knowledge Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 58.8 (#33), Mistral Small: 31.0 (#222)

BenchmarkGemini 3 Flash PreviewMistral Small
GPQA Diamond89.4%47.5%
Vectara Hallucination Rate13.5%5.1%
LMArena Expert14621291
SimpleQA Verified66.8%—
MMLU—68.7%

Multimodal Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 45.5 (#16), Mistral Small: 33.5 (#96)

BenchmarkGemini 3 Flash PreviewMistral Small
LMArena Vision12851142
GeoBench88%—
VPCT72.6%—
Blueprint-Bench 20%—
LMArena Document1413—

Multilingual Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 55.7 (#27), Mistral Small: 45.5 (#169)

BenchmarkGemini 3 Flash PreviewMistral Small
LMArena Non-English14581315
LMArena Chinese15111340
LMArena French14771337
LMArena German14971340
LMArena Japanese14891275
LMArena Korean14431259
LMArena Russian14801324
LMArena Spanish14691346

Instruction Following Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 75.7 (#56), Mistral Small: 66.4 (#209)

BenchmarkGemini 3 Flash PreviewMistral Small
LMArena Instruction Following14371310
LiveBench Instruction Following—63.7%

Long Context Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 44.4 (#67), Mistral Small: 40.4 (#156)

BenchmarkGemini 3 Flash PreviewMistral Small
LMArena Longer Query14521327

Writing & Preference Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 65.5 (#45), Mistral Small: 52.5 (#171)

BenchmarkGemini 3 Flash PreviewMistral Small
LMArena Text14661338
LMArena Creative Writing14571305
LMArena Multi-Turn14711344
LiveBench Language—30.5%

Frequently asked questions

Is Gemini 3 Flash Preview better than Mistral Small?

Gemini 3 Flash Preview is the stronger model overall, scoring 52.3 to 33.4 on the Noometry Index. Mistral Small costs 4.3× less per token, which makes it the better buy when Gemini 3 Flash Preview's lead doesn't matter for your workload.

Which is cheaper, Gemini 3 Flash Preview or Mistral Small?

Mistral Small is cheaper. It lists at $0.15 per million input tokens and $0.60 per million output tokens; Gemini 3 Flash Preview lists at $0.50 and $3.

Is Gemini 3 Flash Preview or Mistral Small better for coding?

Gemini 3 Flash Preview scores higher on coding benchmarks: 50.9 versus 34.0 in the Noometry coding category.

Which has the bigger context window?

Gemini 3 Flash Preview does, with 1.05M tokens against 262K.

How many benchmarks do Gemini 3 Flash Preview and Mistral Small share?

24 benchmarks have published results for both models. Gemini 3 Flash Preview has 59 scored results on Noometry and Mistral Small has 39.

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