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Gemini 3.0 Pro vs Mistral Medium 3.5

2 vs 1 benchmarks won

Google
Gemini 3.0 Pro
Mistral
Mistral Medium 3.5
Overview
CompanyGoogleMistral
Release dateNov 18 2025Apr 29 2026
Model type
Open sourceNoYes
Specifications
Parameters
128B
Context window
256k
Benchmarks
Science reasoning
GPQA Diamond
91.9%
Software engineering
SWE-Bench Verified
76.2%
77.6%
Multimodal understanding
MMMU
81%
Timeline
Release gapGemini 3.0 Pro shipped 162 days before Mistral Medium 3.5

Which is better: Gemini 3.0 Pro or Mistral Medium 3.5?

Gemini 3.0 Pro leads Mistral Medium 3.5 on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Gemini 3.0 Pro shipped 162 days before Mistral Medium 3.5, so benchmark comparisons should account for the intervening progress.

Mistral Medium 3.5 is an open-source / open-weight model; Gemini 3.0 Pro is proprietary.

On SWE-Bench Verified, Mistral Medium 3.5 scores 77.6%, 1.4 points above Gemini 3.0 Pro at 76.2%.

Frequently asked questions

When was Gemini 3.0 Pro released?
Gemini 3.0 Pro was released by Google on Nov 18 2025.
When was Mistral Medium 3.5 released?
Mistral Medium 3.5 was released by Mistral on Apr 29 2026.
Which is better at coding, Gemini 3.0 Pro or Mistral Medium 3.5?
On SWE-Bench Verified (real-world software-engineering tasks), Mistral Medium 3.5 leads — Gemini 3.0 Pro scores 76.2% and Mistral Medium 3.5 scores 77.6%.
Is Gemini 3.0 Pro or Mistral Medium 3.5 open source?
Mistral Medium 3.5 is an open-source / open-weight model released by Mistral. Gemini 3.0 Pro is a proprietary model released by Google.

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