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

Codestral 25.01 vs GPT-5.6 Terra

Mistral
Codestral 25.01
OpenAI
GPT-5.6 Terra
Overview
CompanyMistralOpenAI
Release dateJan 13 2025Jun 26 2026
AccessProprietaryProprietary
Specifications
Context window
256k
Benchmarks
Nonsense detection
BullshitBench v2
53%
Agentic terminal coding
Terminal-Bench 2.1
84.3%
Timeline
Release gapCodestral 25.01 shipped 529 days before GPT-5.6 Terra

Which is better: Codestral 25.01 or GPT-5.6 Terra?

Codestral 25.01 and GPT-5.6 Terra don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Codestral 25.01 shipped 529 days before GPT-5.6 Terra, 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 — Codestral 25.01 and GPT-5.6 Terra don't publish scores on any of the same benchmarks.

Frequently asked questions

Codestral 25.01 was released by Mistral on Jan 13 2025.

GPT-5.6 Terra was released by OpenAI on Jun 26 2026.

Other comparisons