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

Gemini 3.1 Pro vs Mistral Small 3.2

Google
Gemini 3.1 Pro
Mistral
Mistral Small 3.2
Overview
CompanyGoogleMistral
Release dateFeb 19 2026Jun 20 2025
AccessProprietaryOpen Weight
Specifications
Parameters
24B
Benchmarks
Nonsense detection
BullshitBench v2
37%
Agentic coding
SWE-Bench Pro
54.2%
Coding
SWE-Bench Verified
80.6%
Next.js coding
Next.js Evals
75%
Agentic terminal coding
Terminal-Bench 2.1
70.3%
Agentic terminal coding
Terminal-Bench 2.0
68.5%
Multi-step tool use
MCP Atlas
78.2%
General tool use
Toolathlon
48.8%
Web browsing
BrowseComp
85.9%
Multidisciplinary reasoning
Humanity's Last Exam · no tools
44.4%
Multidisciplinary reasoning
Humanity's Last Exam · with tools
51.4%
Abstract reasoning
ARC-AGI-2
77.1%
Advanced math
FrontierMath · Tier 1–3
36.9%
Advanced math
FrontierMath · Tier 4
16.7%
Science
GPQA Diamond
94.3%
Agentic computer use
OSWorld-Verified
76.2%
Agentic financial analysis
Finance Agent v2
43%
Knowledge work
GDPval-AA
1314
Knowledge work
GDPval (win/tie rate)
67.3%
Chart reasoning
CharXiv Reasoning
83.3%
Multimodal reasoning
MMMU-Pro
80.5%
Spatial reasoning
Blueprint-Bench 2
26.5%
Long context
MRCR v2 (8-needle) · 128k average
84.9%
Long context
MRCR v2 (8-needle) · 1M pointwise
26.3%
Community preference
Arena Elo (Text)
1485
Timeline
Release gapMistral Small 3.2 shipped 244 days before Gemini 3.1 Pro

Which is better: Gemini 3.1 Pro or Mistral Small 3.2?

Gemini 3.1 Pro 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 244 days before Gemini 3.1 Pro, so benchmark comparisons should account for the intervening progress.

Gemini 3.1 Pro is proprietary, while Mistral Small 3.2 is open weight.

Direct benchmark comparisons are unavailable — Gemini 3.1 Pro and Mistral Small 3.2 don't publish scores on any of the same benchmarks.

Frequently asked questions

Gemini 3.1 Pro was released by Google on Feb 19 2026.

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

Gemini 3.1 Pro is a proprietary model released by Google. Mistral Small 3.2 is an open weight model released by Mistral.

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