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

Home/Compare/Mistral Small 3.1 vs o1

Mistral Small 3.1 vs o1

Mistral Mistral Small 3.1 vs OpenAI o1 — side-by-side specs.

Mistral
Mistral Small 3.1
OpenAI
o1
Overview
CompanyMistralOpenAI
Release dateMar 17 2025Dec 5 2024
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Timeline
Release gapo1 shipped 102 days before Mistral Small 3.1

Which is better: Mistral Small 3.1 or o1?

Mistral Small 3.1 and o1 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. o1 shipped 102 days before Mistral Small 3.1, so benchmark comparisons should account for the intervening progress.

Mistral Small 3.1 is an open-source / open-weight model; o1 is proprietary.

Direct benchmark comparisons are unavailable — Mistral Small 3.1 and o1 don't publish scores on any of the same benchmarks.

Frequently asked questions

When was Mistral Small 3.1 released?
Mistral Small 3.1 was released by Mistral on Mar 17 2025.
When was o1 released?
o1 was released by OpenAI on Dec 5 2024.
Is Mistral Small 3.1 or o1 open source?
Mistral Small 3.1 is an open-source / open-weight model released by Mistral. o1 is a proprietary model released by OpenAI.

Other comparisons