Noometry

Model comparison

Gemini 3.5 Flash vs Mistral Medium 3

Gemini 3.5 Flash has enough public results to be ranked (#29); Mistral Medium 3 does not yet, so treat this comparison as directional.

Last verified . 1 shared benchmarks.

Gemini 3.5 Flash Google

54.1

Rank #29 Confirmed

Mistral Medium 3 Mistral AI

36.5

Unranked Sparse

Summary

  • They share 1 benchmark with published results for both. Gemini 3.5 Flash scores higher in 1 category and Mistral Medium 3 in 0 categories; one gap is clear of the uncertainty.
  • The widest gap is in knowledge, where Gemini 3.5 Flash leads 66.3 to 34.1.
  • Mistral Medium 3 is cheaper at $0.40 / $2 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 131K.

Side by side

Gemini 3.5 FlashMistral Medium 3
ProviderGoogleMistral AI
Noometry Index54.136.5
Released2026-05-19—
WeightsProprietaryProprietary
Context window1.05M131K
Max output66K105K
Input $ / M tokens$1.50$0.40
Output $ / M tokens$9$2
Results tracked542

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Category by category

Coding Not comparable

Gemini 3.5 Flash: 49.1 (#46), Mistral Medium 3: —

BenchmarkGemini 3.5 FlashMistral Medium 3
SWE-bench Verified79.3%—
DeepSWE37.4%—
LMArena WebDev1499—
SciCode53.1%—
WeirdML62.6%—
LMArena Coding1492—
ALE-Bench911.02—

Agentic & Tool Use Not comparable

Gemini 3.5 Flash: 24.8 (#107), Mistral Medium 3: —

BenchmarkGemini 3.5 FlashMistral Medium 3
APEX-Agents27.5%—
GBAEval6.7%—
GDP.pdf14%—
Vending-Bench 25,396—

Reasoning Not comparable

Gemini 3.5 Flash: 62.7 (#16), Mistral Medium 3: —

BenchmarkGemini 3.5 FlashMistral Medium 3
Epoch Capabilities Index154.55134.07
ARC-AGI-272.1%—
SimpleBench76.7%—
NYT Connections (extended)92.6%—
ARC-AGI-192.5%—
CritPt13.1%—
Chess Puzzles50%—
EnigmaEval25.4%—
EBR-Bench4.8%—
LMArena Hard Prompts1488—
Mystery Game Puzzles32%—
DTBench94.7%—
LMCA47.1%—
Surface Evolver Bench58.1%—
ForecastBench59—

Math Not comparable

Gemini 3.5 Flash: 60.5 (#30), Mistral Medium 3: —

BenchmarkGemini 3.5 FlashMistral Medium 3
FrontierMath (Tiers 1-3)62.8%—
FrontierMath Tier 426.8%—
MathArena Final-Answer Competitions76.3%—
OTIS Mock AIME 2024-202595.6%—
ProofBench31%—
LMArena Math1502—
FrontierMath (Feb 2025 set)39%—
FrontierMath Tier 4 (v1)14.6%—

Knowledge Gemini 3.5 Flash leads

Gemini 3.5 Flash: 66.3 (#10), Mistral Medium 3: 34.1

BenchmarkGemini 3.5 FlashMistral Medium 3
GPQA Diamond92.8%—
SimpleQA Verified66.2%—
Confabulations—21.9%
LMArena Expert1493—

Multimodal Not comparable

Gemini 3.5 Flash: 45.7 (#13), Mistral Medium 3: —

BenchmarkGemini 3.5 FlashMistral Medium 3
LMArena Vision1311—
Blueprint-Bench 233.6%—
LMArena Document1463—

Multilingual Not comparable

Gemini 3.5 Flash: 57.1 (#12), Mistral Medium 3: —

BenchmarkGemini 3.5 FlashMistral Medium 3
LMArena Non-English1475—
LMArena Chinese1525—
LMArena French1490—
LMArena German1500—
LMArena Japanese1481—
LMArena Korean1453—
LMArena Russian1491—
LMArena Spanish1478—

Instruction Following Not comparable

Gemini 3.5 Flash: 77.2 (#29), Mistral Medium 3: —

BenchmarkGemini 3.5 FlashMistral Medium 3
LMArena Instruction Following1466—

Long Context Not comparable

Gemini 3.5 Flash: 45.3 (#39), Mistral Medium 3: —

BenchmarkGemini 3.5 FlashMistral Medium 3
LMArena Longer Query1481—

Writing & Preference Not comparable

Gemini 3.5 Flash: 65.5 (#46), Mistral Medium 3: —

BenchmarkGemini 3.5 FlashMistral Medium 3
LMArena Text1481—
LMArena Creative Writing1467—
EQ-Bench 41087—
LMArena Multi-Turn1482—

Frequently asked questions

Is Gemini 3.5 Flash better than Mistral Medium 3?

Gemini 3.5 Flash has enough public results to be ranked (#29); Mistral Medium 3 does not yet, so treat this comparison as directional.

Which is cheaper, Gemini 3.5 Flash or Mistral Medium 3?

Mistral Medium 3 is cheaper. It lists at $0.40 per million input tokens and $2 per million output tokens; Gemini 3.5 Flash lists at $1.50 and $9.

Which has the bigger context window?

Gemini 3.5 Flash does, with 1.05M tokens against 131K.

How many benchmarks do Gemini 3.5 Flash and Mistral Medium 3 share?

1 benchmark has published results for both models. Gemini 3.5 Flash has 54 scored results on Noometry and Mistral Medium 3 has 2.

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