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

Mistral NeMo vs gpt-oss-20b

Mistral
Mistral NeMo
OpenAI
gpt-oss-20b
Overview
CompanyMistralOpenAI
Release dateJul 18 2024Aug 5 2025
AccessOpen WeightOpen Weight
Specifications
Parameters
12B
Context window
128k
Timeline
Release gapMistral NeMo shipped 383 days before gpt-oss-20b

Which is better: Mistral NeMo or gpt-oss-20b?

Mistral NeMo and gpt-oss-20b don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Mistral NeMo shipped 383 days before gpt-oss-20b, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

Direct benchmark comparisons are unavailable — Mistral NeMo and gpt-oss-20b don't publish scores on any of the same benchmarks.

Frequently asked questions

Mistral NeMo was released by Mistral on Jul 18 2024.

gpt-oss-20b was released by OpenAI on Aug 5 2025.

Other comparisons