Models / Mistral AI

Mistral: Devstral 2 2512

mistralai/devstral-2512

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...

Source-linkedClosed weights

Report data

Context window262.144K

Maximum outputNot documented

Provider offers0

Knowledge cutoffUndisclosed

Capabilities

What this model supports

ReasoningNo

Tool callingNo

Structured outputNo

AttachmentsNo

Temperature controlNo

Open weightsNo

Creator: Mistral AI
Family: Not documented
Modalities: File, Text
License: Not documented
Release date: Not documented
Model ID: mistralai/devstral-2512

Market availability

Provider pricing

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No known providers available.

Evidence

Published benchmark results

Agentic Index vs top 8 models

GPT-5.6 Sol

54.0

Claude Fable 5

52.8

GPT-5.6 Terra

47.4

Anthropic: Claude Opus 4.8

47.2

Claude Sonnet 5

46.7

xAI: Grok 4.5

45.7

GPT-5.6 Luna

45.6

Mistral: Devstral 2 2512

10.6

Coding Index vs top 8 models

GPT-5.6 Sol

77.4

GPT-5.6 Terra

76.7

Claude Fable 5

76.5

GPT-5.5

74.9

Anthropic: Claude Opus 4.8

74.3

Anthropic: Claude Opus 4.7

73.6

xAI: Grok 4.5

72.4

Mistral: Devstral 2 2512

31.3

Intelligence Index vs top 8 models

Claude Fable 5

59.9

GPT-5.6 Sol

58.9

Anthropic: Claude Opus 4.8

55.7

GPT-5.6 Terra

55.0

GPT-5.5

54.8

xAI: Grok 4.5

53.8

Anthropic: Claude Opus 4.7

53.5

Mistral: Devstral 2 2512

19.2