Skip to content
AI Atlas
ModelRetired

Devstral 2

Mistral AIdocs.mistral.ai/models/devstral-2-25-12

Devstral 2 is a state-of-the-art open-source model by Mistral AI specializing in agentic coding. It is a 123B-parameter dense transformer model supporting a 256K context window. Devstral 2 supports exploring...

Updated 9 min ago · first seen 11 Sept 2026

model_01M2943ZTNM6587XB64Q2V4CWZ

Context
262.1K tokens
T2 · 9 min ago
Released
9 Dec 2025
T2 · 9 min ago

Specification

Version
25.12

Source:Mistral AI docsT1observed 23 min agohigh

Release date
9 Dec 2025

Source:OpenRouter public model & pricing listingT2observed 9 min agomedium

Status
retired

Source:Mistral AI docsT1observed 23 min agohigh

Context window
262.1K tokens

Source:OpenRouter public model & pricing listingT2observed 9 min agomedium

Max output
209.7K tokens

Source:OpenRouter public model & pricing listingT2observed 9 min agomedium

Modalities
text

Source:OpenRouter public model & pricing listingT2observed 9 min agomedium

Input modalities
text

Source:OpenRouter public model & pricing listingT2observed 9 min agomedium

Output modalities
text

Source:OpenRouter public model & pricing listingT2observed 9 min agomedium

Tokenizer
Mistral

Source:OpenRouter public model & pricing listingT2observed 9 min agomedium

API model id
devstral-2512

Source:Mistral AI docsT1observed 23 min agohigh

Deprecation date
22 May 2026

Source:Mistral AI docsT1observed 23 min agohigh

Retirement date
31 Jul 2026

Source:Mistral AI docsT1observed 23 min agohigh

Hugging Face repo
mistralai/Devstral-2-123B-Instruct-2512

Source:OpenRouter public model & pricing listingT2observed 9 min agomedium

Official page

Source:Mistral AI docsT1observed 23 min agohigh

File input
Yes

Source:OpenRouter public model & pricing listingT2observed 9 min agomedium

Openrouter id
mistralai/devstral-2512

Source:OpenRouter public model & pricing listingT2observed 9 min agomedium

Supported parameters
frequency_penalty, max_tokens, presence_penalty, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_p

Source:OpenRouter public model & pricing listingT2observed 9 min agomedium

Each value shows its source, tier and observation time. Conflicting claims are kept side by side and flagged — never averaged. How AI Atlas records facts →

Provenance

Attributed facts

20

Source tiers

T1T26 / 14

Freshest observation

9 min ago

Conflicts

None