Model comparison

Gemini 3.5 Flash vs Mistral Medium

Gemini 3.5 Flash is the stronger model overall, scoring 54.2 to 36.3 on the Noometry Index.

Last verified . 29 shared benchmarks.

Gemini 3.5 Flash Google

54.2

Rank #32 Confirmed

Mistral Medium Mistral AI

36.3

Rank #218 Confirmed

Summary

  • They share 29 benchmarks with published results for both. Gemini 3.5 Flash scores higher in 9 categories and Mistral Medium in 1 category; 10 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Gemini 3.5 Flash leads 66.3 to 25.0.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 95.6% for Gemini 3.5 Flash and 32.2% for Mistral Medium.
  • Mistral Medium is cheaper at $1.50 / $7.50 per million input/output tokens, against $1.50 / $9 for Gemini 3.5 Flash.
  • Gemini 3.5 Flash accepts more context: 1.05M tokens versus 262K.
  • Mistral Medium has downloadable open weights; the other is API-only.

Side by side

Gemini 3.5 Flash and Mistral Medium specifications
Gemini 3.5 FlashMistral Medium
ProviderGoogleMistral AI
Noometry Index54.236.3
Released2026-05-192023-12-11
WeightsProprietaryOpen
Context window1.05M262K
Max output66K262K
Input $ / M tokens$1.50$1.50
Output $ / M tokens$9$7.50
Results tracked5436

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

Category by category

Coding Gemini 3.5 Flash leads

Gemini 3.5 Flash: 49.4 (#49), Mistral Medium: 34.2 (#243)

Coding benchmarks
BenchmarkGemini 3.5 FlashMistral Medium
SciCode53.1%40.2%
WeirdML62.6%43.7%
LMArena Coding14921434
ALE-Bench911.02763.98
SWE-bench Verified79.3%—
DeepSWE37.4%—
FrontierCode—8%
LMArena WebDev1499—

Agentic & Tool Use Mistral Medium leads

Gemini 3.5 Flash: 24.7 (#114), Mistral Medium: 28.3 (#90)

Agentic & Tool Use benchmarks
BenchmarkGemini 3.5 FlashMistral Medium
APEX-Agents27.5%—
Berkeley Function Calling Leaderboard—37.7%
GBAEval6.7%—
GDP.pdf14%—
Vending-Bench 25,396—

Reasoning Gemini 3.5 Flash leads

Gemini 3.5 Flash: 62.8 (#18), Mistral Medium: 24.0 (#167)

Reasoning benchmarks
BenchmarkGemini 3.5 FlashMistral Medium
CritPt13.1%0%
LMArena Hard Prompts14881426
DTBench94.7%75.5%
LMCA47.1%26.1%
Surface Evolver Bench58.1%26.9%
ARC-AGI-272.1%—
SimpleBench76.7%—
Kagi LLM Benchmark—50%
NYT Connections (extended)92.6%—
ARC-AGI-192.5%—
Chess Puzzles50%—
EnigmaEval25.4%—
EBR-Bench4.8%—
Mystery Game Puzzles32%—
Epoch Capabilities Index154.46—
ForecastBench59—

Math Gemini 3.5 Flash leads

Gemini 3.5 Flash: 60.7 (#36), Mistral Medium: 28.1 (#245)

Knowledge Gemini 3.5 Flash leads

Gemini 3.5 Flash: 66.3 (#11), Mistral Medium: 25.0 (#265)

Knowledge benchmarks
BenchmarkGemini 3.5 FlashMistral Medium
GPQA Diamond92.8%59.5%
LMArena Expert14951408
Humanity's Last Exam—4.5%
SimpleQA Verified66.2%—
Vectara Hallucination Rate—22.7%

Multimodal Gemini 3.5 Flash leads

Gemini 3.5 Flash: 45.7 (#15), Mistral Medium: 35.3 (#88)

Multimodal benchmarks
BenchmarkGemini 3.5 FlashMistral Medium
LMArena Vision13101172
Blueprint-Bench 233.6%—
LMArena Document1463—

Multilingual Gemini 3.5 Flash leads

Gemini 3.5 Flash: 57.0 (#13), Mistral Medium: 52.1 (#91)

Multilingual benchmarks
BenchmarkGemini 3.5 FlashMistral Medium
LMArena Non-English14761408
LMArena Chinese15261447
LMArena French14901459
LMArena German14921432
LMArena Japanese14861378
LMArena Korean14511380
LMArena Russian14931411
LMArena Spanish14801433

Instruction Following Gemini 3.5 Flash leads

Gemini 3.5 Flash: 77.0 (#30), Mistral Medium: 73.7 (#116)

Instruction Following benchmarks
BenchmarkGemini 3.5 FlashMistral Medium
LMArena Instruction Following14671398

Long Context Gemini 3.5 Flash leads

Gemini 3.5 Flash: 45.4 (#38), Mistral Medium: 42.9 (#114)

Long Context benchmarks
BenchmarkGemini 3.5 FlashMistral Medium
LMArena Longer Query14821406

Writing & Preference Gemini 3.5 Flash leads

Gemini 3.5 Flash: 65.5 (#47), Mistral Medium: 60.0 (#103)

Writing & Preference benchmarks
BenchmarkGemini 3.5 FlashMistral Medium
LMArena Text14821424
LMArena Creative Writing14701391
LMArena Multi-Turn14811418
Short-Story Creative Writing—77.3%
EQ-Bench 41087—

Frequently asked questions

Is Gemini 3.5 Flash better than Mistral Medium?

Gemini 3.5 Flash is the stronger model overall, scoring 54.2 to 36.3 on the Noometry Index.

Which is cheaper, Gemini 3.5 Flash or Mistral Medium?

Mistral Medium is cheaper. It lists at $1.50 per million input tokens and $7.50 per million output tokens; Gemini 3.5 Flash lists at $1.50 and $9.

Is Gemini 3.5 Flash or Mistral Medium better for coding?

Gemini 3.5 Flash scores higher on coding benchmarks: 49.4 versus 34.2 in the Noometry coding category.

Which has the bigger context window?

Gemini 3.5 Flash does, with 1.05M tokens against 262K.

How many benchmarks do Gemini 3.5 Flash and Mistral Medium share?

29 benchmarks have published results for both models. Gemini 3.5 Flash has 54 scored results on Noometry and Mistral Medium has 36.

Related comparisons

Go deeper