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

DeepSeek Chat (R1-based) vs Devstral 2 (123B)

DeepSeek
DeepSeek Chat (R1-based)
Mistral
Devstral 2 (123B)
Overview
CompanyDeepSeekMistral
Release dateJan 20 2025Dec 9 2025
AccessOpen WeightOpen Weight
Timeline
Release gapDeepSeek Chat (R1-based) shipped 323 days before Devstral 2 (123B)

Which is better: DeepSeek Chat (R1-based) or Devstral 2 (123B)?

DeepSeek Chat (R1-based) and Devstral 2 (123B) don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek Chat (R1-based) shipped 323 days before Devstral 2 (123B), 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 — DeepSeek Chat (R1-based) and Devstral 2 (123B) don't publish scores on any of the same benchmarks.

Frequently asked questions

DeepSeek Chat (R1-based) was released by DeepSeek on Jan 20 2025.

Devstral 2 (123B) was released by Mistral on Dec 9 2025.

Other comparisons