---
id: "mistralai/devstral-2512"
also: ["mistralai/devstral-2512", "mistralai/Devstral-2-123B-Instruct-2512"]
card_usd_per_m: "0.4 in, 2.0 out, at mistral/eu"
cheapest_list_usd_per_m: "0.4 in, 2.0 out, at mistral/eu on openrouter"
cheapest_effective_usd_per_m: "0.0518 in, 2.0 out, at mistral/eu on openrouter"
context: 262144
max_output: 209715
input: ["text", "file"]
output: ["text"]
released: "2025-12-09"
api: ["/api/v1/chat/completions", "/api/v1/completions", "/api/v1/messages", "/api/v1/responses"]
params: ["frequency_penalty", "max_tokens", "presence_penalty", "response_format", "seed", "stop", "structured_outputs", "temperature", "tool_choice", "tools", "top_p"]
endpoints: 1
gateways: "openrouter (1)"
no_training: 1
trains: 0
retains_prompts: 0
coding: 31.3000
agentic: 2.3000
---
# Mistral: Devstral 2 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...