Model comparison

Gemini 2.5 Flash vs Magistral Small

Gemini 2.5 Flash is the stronger model overall, scoring 39.3 to 30.2 on the Noometry Index.

Last verified . 7 shared benchmarks.

Gemini 2.5 Flash Google

39.3

Rank #170 Confirmed

Magistral Small Mistral AI

30.2

Rank #296 Confirmed

Summary

  • They share 7 benchmarks with published results for both. Gemini 2.5 Flash scores higher in 3 categories and Magistral Small in 1 category; 4 gaps are clear of the uncertainty.
  • The widest gap is in math, where Gemini 2.5 Flash leads 39.9 to 26.2.
  • The biggest single-benchmark swing is Kagi LLM Benchmark: 56.8% for Gemini 2.5 Flash and 6.3% for Magistral Small.
  • Magistral Small is cheaper at $0.50 / $1.50 per million input/output tokens, against $0.30 / $2.50 for Gemini 2.5 Flash.
  • Gemini 2.5 Flash accepts more context: 1.05M tokens versus 128K.
  • Magistral Small has downloadable open weights; the other is API-only.

Side by side

Gemini 2.5 Flash and Magistral Small specifications
Gemini 2.5 FlashMagistral Small
ProviderGoogleMistral AI
Noometry Index39.330.2
Released2025-04-172025-06-10
WeightsProprietaryOpen
Context window1.05M128K
Max output66K40K
Input $ / M tokens$0.30$0.50
Output $ / M tokens$2.50$1.50
Results tracked5410

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Category by category

Coding Magistral Small leads

Gemini 2.5 Flash: 35.8 (#220), Magistral Small: 38.4 (#176)

Coding benchmarks
BenchmarkGemini 2.5 FlashMagistral Small
SWE-bench Verified (bash only)28.7%—
Aider Polyglot55.1%—
SciCode—35.2%
WeirdML41.9%—
LMArena Coding1424—
ALE-Bench661.88—

Agentic & Tool Use Not comparable

Gemini 2.5 Flash: 30.8 (#74), Magistral Small: —

Agentic & Tool Use benchmarks
BenchmarkGemini 2.5 FlashMagistral Small
Terminal-Bench17.1%—
Berkeley Function Calling Leaderboard56.2%—
TheAgentCompany41.1%—
BALROG33.5%—
Vending-Bench 2548.84—

Reasoning Gemini 2.5 Flash leads

Gemini 2.5 Flash: 18.1 (#286), Magistral Small: 6.8 (#350)

Reasoning benchmarks
BenchmarkGemini 2.5 FlashMagistral Small
ARC-AGI-22.5%0%
Kagi LLM Benchmark56.8%6.3%
ARC-AGI-133.3%5%
CritPt1.1%0.3%
DTBench76.5%61.3%
Epoch Capabilities Index143.03133.19
SimpleBench41.2%—
Chess Puzzles—3%
EnigmaEval2.7%—
LMArena Hard Prompts1422—
LMCA27.5%—
ForecastBench60.6—

Math Gemini 2.5 Flash leads

Gemini 2.5 Flash: 39.9 (#98), Magistral Small: 26.2 (#261)

Math benchmarks
BenchmarkGemini 2.5 FlashMagistral Small
OTIS Mock AIME 2024-202573.1%30%
Omni-MATH38.5%—
LMArena Math1415—
FrontierMath (Feb 2025 set)4.8%—
FrontierMath Tier 4 (v1)4.2%—

Knowledge Gemini 2.5 Flash leads

Gemini 2.5 Flash: 36.4 (#168), Magistral Small: 30.9 (#223)

Knowledge benchmarks
BenchmarkGemini 2.5 FlashMagistral Small
GPQA Diamond—56.1%
Humanity's Last Exam12.1%—
MMLU-Pro63.9%—
Confabulations16.8%—
Vectara Hallucination Rate7.8%—
GPQA (HELM)39%—
LMArena Expert1426—

Multimodal Not comparable

Gemini 2.5 Flash: 41.8 (#32), Magistral Small: —

Multimodal benchmarks
BenchmarkGemini 2.5 FlashMagistral Small
LMArena Vision1253—
GeoBench76%—
VPCT46.2%—
SpatialViz-Bench36.9%—

Multilingual Not comparable

Gemini 2.5 Flash: 52.3 (#88), Magistral Small: —

Multilingual benchmarks
BenchmarkGemini 2.5 FlashMagistral Small
LMArena Non-English1409—
LMArena Chinese1450—
LMArena French1433—
LMArena German1418—
LMArena Japanese1405—
LMArena Korean1385—
LMArena Russian1415—
LMArena Spanish1421—

Instruction Following Not comparable

Gemini 2.5 Flash: 75.7 (#54), Magistral Small: —

Instruction Following benchmarks
BenchmarkGemini 2.5 FlashMagistral Small
IFEval89.8%—
LMArena Instruction Following1405—

Long Context Not comparable

Gemini 2.5 Flash: 47.5 (#17), Magistral Small: —

Long Context benchmarks
BenchmarkGemini 2.5 FlashMagistral Small
Fiction.LiveBench77.8%—
LMArena Longer Query1419—

Writing & Preference Not comparable

Gemini 2.5 Flash: 53.8 (#157), Magistral Small: —

Writing & Preference benchmarks
BenchmarkGemini 2.5 FlashMagistral Small
LMArena Text1417—
LMArena Creative Writing1400—
Short-Story Creative Writing76.5%—
EQ-Bench Creative Writing1137—
WildBench81.7%—
LMArena Multi-Turn1408—

Frequently asked questions

Is Gemini 2.5 Flash better than Magistral Small?

Gemini 2.5 Flash is the stronger model overall, scoring 39.3 to 30.2 on the Noometry Index.

Which is cheaper, Gemini 2.5 Flash or Magistral Small?

Magistral Small is cheaper. It lists at $0.50 per million input tokens and $1.50 per million output tokens; Gemini 2.5 Flash lists at $0.30 and $2.50.

Is Gemini 2.5 Flash or Magistral Small better for coding?

Magistral Small scores higher on coding benchmarks: 38.4 versus 35.8 in the Noometry coding category.

Which has the bigger context window?

Gemini 2.5 Flash does, with 1.05M tokens against 128K.

How many benchmarks do Gemini 2.5 Flash and Magistral Small share?

7 benchmarks have published results for both models. Gemini 2.5 Flash has 54 scored results on Noometry and Magistral Small has 10.

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