AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

Gemini 3.5 Flash vs Mistral Small 3.2

Google
Gemini 3.5 Flash
Mistral
Mistral Small 3.2
Overview
CompanyGoogleMistral
Release dateMay 19 2026Jun 20 2025
AccessProprietaryOpen Weight
Specifications
Parameters
24B
Benchmarks
Nonsense detection
BullshitBench v2
20%
Agentic coding
SWE-Bench Pro
55.1%
Agentic coding
CursorBench v3.1
49.8%
Agentic terminal coding
Terminal-Bench 2.1
76.2%
Multi-step tool use
MCP Atlas
83.6%
General tool use
Toolathlon
56.5%
Multidisciplinary reasoning
Humanity's Last Exam · no tools
40.2%
Abstract reasoning
ARC-AGI-2
72.1%
Agentic computer use
OSWorld-Verified
78.4%
Agentic financial analysis
Finance Agent v2
57.9%
Knowledge work
GDPval-AA
1656
Chart reasoning
CharXiv Reasoning
84.2%
Multimodal reasoning
MMMU-Pro
83.6%
Spatial reasoning
Blueprint-Bench 2
33.6%
Long context
MRCR v2 (8-needle) · 128k average
77.3%
Long context
MRCR v2 (8-needle) · 1M pointwise
26.6%
Community preference
Arena Elo (Text)
1476
Community preference (code)
Arena Elo (Code)
1500
Timeline
Release gapMistral Small 3.2 shipped 333 days before Gemini 3.5 Flash

Which is better: Gemini 3.5 Flash or Mistral Small 3.2?

Gemini 3.5 Flash and Mistral Small 3.2 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral Small 3.2 shipped 333 days before Gemini 3.5 Flash, so benchmark comparisons should account for the intervening progress.

Gemini 3.5 Flash is proprietary, while Mistral Small 3.2 is open weight.

Direct benchmark comparisons are unavailable — Gemini 3.5 Flash and Mistral Small 3.2 don't publish scores on any of the same benchmarks.

Frequently asked questions

Gemini 3.5 Flash was released by Google on May 19 2026.

Mistral Small 3.2 was released by Mistral on Jun 20 2025.

Gemini 3.5 Flash is a proprietary model released by Google. Mistral Small 3.2 is an open weight model released by Mistral.

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