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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...

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data quality69

Updated 6 h ago · first seen 11 Sept 2026

model_01M2943ZTNM6587XB64Q2V4CWZ

Overview

Identity

Identity block not returned by the API for this entity.

Openness

Openness not classified yet — no sourced evidence to place this model in the ontology.

Key facts

Release date

Source:OpenRouter public model & pricing listingT2observed 13 h agomedium

Status

Source:Mistral AI docsT1observed 13 h agohigh

Version

Source:Mistral AI docsT1observed 13 h agohigh

Deprecation date

Source:Mistral AI docsT1observed 13 h agohigh

Retirement date

Source:Mistral AI docsT1observed 13 h agohigh

Official page
docs.mistral.ai/models/devstral-2-25-12

Source:Mistral AI docsT1observed 13 h agohigh

API model id

Source:Mistral AI docsT1observed 13 h agohigh

Openrouter id

Source:OpenRouter public model & pricing listingT2observed 13 h agomedium

Architecture

Tokenizer

Source:OpenRouter public model & pricing listingT2observed 13 h agomedium

Hugging Face repo

Source:OpenRouter public model & pricing listingT2observed 13 h agomedium

Capabilities

Modalities

Modalities
text
Input
text
Output
text

Capabilities

  • Tool calling

    Yes

    OpenRouter public model & pricing listing · T2

  • Structured output

    Yes

    OpenRouter public model & pricing listing · T2

  • Reasoning

    No

    Artificial Analysis · T2

  • Vision

    Unavailable

  • Audio

    Unavailable

  • Fine-tuning available

    Unavailable

Context window

Source:OpenRouter public model & pricing listingT2observed 10 h agomedium

Max output

Source:OpenRouter public model & pricing listingT2observed 13 h agomedium

Tokenizer

Source:OpenRouter public model & pricing listingT2observed 13 h agomedium

Benchmarks10

Compare with another model →

Comparable same task and conditions · Partially comparable same task, conditions differ (effort, temperature, judge) · Not comparable different variant or metric

No benchmark results recorded

Results appear when a tier 1–3 source publishes them; we never copy scores without a source.

Providers & Pricing1

All offers in the price terminal →
Current prices per 1M tokens
ProviderInput / 1MOutput / 1MCached inBatch in / outContextObservedSource
Mistral AI La Plateformemistralai/devstral-2512$0.40$2$0.04—262.1K4 h agoopenrouter.aiT2

USD per 1M tokens as published by each provider (USD). Rows are append-only: every change is kept in the history below.

Price history

Step lines per provider; amber markers are recorded changes. Click a marker or a row for the evidence behind that price.

Output price · USD / 1M tokens 1 provider

Output price history of Devstral 2$0$0.50$1$1.5$2$2.5Sept 26Sept 26Sept 26Sept 26Sept 26Sept 26Sept 26Sept 26Mistral AI La Plateforme: first observed → $2 · 11 Sept 2026
  • Mistral AI La Plateforme
  • Mistral AI La Plateformefirst observed $211 Sept 2026

Input price · USD / 1M tokens 1 provider

Input price history of Devstral 2$0$0.10$0.20$0.30$0.40$0.50Sept 26Sept 26Sept 26Sept 26Sept 26Sept 26Sept 26Sept 26Mistral AI La Plateforme: first observed → $0.40 · 11 Sept 2026
  • Mistral AI La Plateforme
  • Mistral AI La Plateformefirst observed $0.4011 Sept 2026

Timeline14

Full timeline →

Change history20

Temporal, append-only claims: a new observation closes the previous claim instead of overwriting it. Rewind the record with the as-of picker.

Viewing AI Atlas as of 12 Mar 2026 — attributes exactly as the atlas knew them on that day; later corrections are not shown.

Back to today →

Devstral 2 was not yet in AI Atlas on 12 Mar 2026

First seen 11 Sept 2026. Nothing is inferred backwards: no attribute is shown for dates before the first observation.
20 claims · 20 properties

Versionversion1

Claim history for Version
ValueValid from → toStatusSourceConfidenceExtractor
25.12 → currentcurrentMistral AI docsT1highdeterministic

Release daterelease_date1

Claim history for Release date
ValueValid from → toStatusSourceConfidenceExtractor
9 Dec 2025 → currentcurrentOpenRouter public model & pricing listingT2mediumdeterministic

Statusstatus1

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ValueValid from → toStatusSourceConfidenceExtractor
retired → currentcurrentMistral AI docsT1highdeterministic

Context windowcontext_length1

Claim history for Context window
ValueValid from → toStatusSourceConfidenceExtractor
262.1K tokens → currentcurrentOpenRouter public model & pricing listingT2mediumdeterministic

Max outputmax_output_tokens1

Claim history for Max output
ValueValid from → toStatusSourceConfidenceExtractor
209.7K tokens → currentcurrentOpenRouter public model & pricing listingT2mediumdeterministic

Modalitiesmodalities1

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ValueValid from → toStatusSourceConfidenceExtractor
text → currentcurrentOpenRouter public model & pricing listingT2mediumdeterministic

Input modalitiesmodalities_input1

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ValueValid from → toStatusSourceConfidenceExtractor
text → currentcurrentOpenRouter public model & pricing listingT2mediumdeterministic

Output modalitiesmodalities_output1

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ValueValid from → toStatusSourceConfidenceExtractor
text → currentcurrentOpenRouter public model & pricing listingT2mediumdeterministic

Tokenizertokenizer1

Claim history for Tokenizer
ValueValid from → toStatusSourceConfidenceExtractor
Mistral → currentcurrentOpenRouter public model & pricing listingT2mediumdeterministic

API model idapi_model_id1

Claim history for API model id
ValueValid from → toStatusSourceConfidenceExtractor
devstral-2512 → currentcurrentMistral AI docsT1highdeterministic

Deprecation datedeprecation_date1

Claim history for Deprecation date
ValueValid from → toStatusSourceConfidenceExtractor
22 May 2026 → currentcurrentMistral AI docsT1highdeterministic

Retirement dateretirement_date1

Claim history for Retirement date
ValueValid from → toStatusSourceConfidenceExtractor
31 Jul 2026 → currentcurrentMistral AI docsT1highdeterministic

Hugging Face repohf_repo1

Claim history for Hugging Face repo
ValueValid from → toStatusSourceConfidenceExtractor
mistralai/Devstral-2-123B-Instruct-2512 → currentcurrentOpenRouter public model & pricing listingT2mediumdeterministic

Official pageofficial_url1

Claim history for Official page
ValueValid from → toStatusSourceConfidenceExtractor
https://docs.mistral.ai/models/devstral-2-25-12 → currentcurrentMistral AI docsT1highdeterministic

Descriptiondescription1

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ValueValid from → toStatusSourceConfidenceExtractor
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... → currentcurrentOpenRouter public model & pricing listingT2mediumdeterministic

File inputfile_input1

Claim history for File input
ValueValid from → toStatusSourceConfidenceExtractor
Yes → currentcurrentOpenRouter public model & pricing listingT2mediumdeterministic

Openrouter idopenrouter_id1

Claim history for Openrouter id
ValueValid from → toStatusSourceConfidenceExtractor
mistralai/devstral-2512 → currentcurrentOpenRouter public model & pricing listingT2mediumdeterministic

Structured outputstructured_output1

Claim history for Structured output
ValueValid from → toStatusSourceConfidenceExtractor
Yes → currentcurrentOpenRouter public model & pricing listingT2mediumdeterministic

Supported parameterssupported_parameters1

Claim history for Supported parameters
ValueValid from → toStatusSourceConfidenceExtractor
frequency_penalty, max_tokens, presence_penalty, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_p → currentcurrentOpenRouter public model & pricing listingT2mediumdeterministic

Tool callingtool_calling1

Claim history for Tool calling
ValueValid from → toStatusSourceConfidenceExtractor
Yes → currentcurrentOpenRouter public model & pricing listingT2mediumdeterministic

Claims are temporal and append-only: a new observation closes the previous claim (valid_to) instead of overwriting it. Conflicting claims from different sources are kept side by side and flagged — never averaged. Methodology →

Provenance

Attributed facts

24

Source tiers

T1T26 / 18

Freshest observation

6 h ago

Conflicts

None

Source documents 4

Source documents
SourceDocumentTypeTierLast observedSnapshots
Mistral AI docsdocs.mistral.ai/models model_docsT1· Official5 h ago1
OpenRouter public model & pricing listingopenrouter.ai/api/v1/models catalogueT2· Quality secondary4 h ago6
SWE-bench leaderboardsswebench.com/ leaderboardT2· Quality secondary11 h ago1
Artificial Analysisartificialanalysis.ai/leaderboards/models leaderboardT2· Quality secondary11 h ago1

Tier 1 = official/primary, 2 = quality secondary, 3 = community, 4 = unverified. Every snapshot is archived; see all sources and the methodology.

Data quality (69/100) measures how well AI Atlas knows this entity — completeness, primary-source ratio, freshness, conflicts — never how good the model is. Methodology →