Devstral 2 2512

Name: Mistral: Devstral 2 2512
Brand: mistralai
SKU: mistralai/devstral-2512
Price: 0.44 USD
Availability: InStock

mistralai/devstral-2512

Devstral 2 is a state-of-the-art open-source model by Mistral AI specializing in agentic coding.

$0.44 in · $2.20 out per 1M tokens262k contextDec 9, 2025

about 0.1¢ a message

A typical message: about 500 tokens you send and 500 it writes.

Chat with Devstral 2 2512

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Spec sheet

Published facts from the catalog, billed prices and what we measured here. Anything not measured says so.

Price, billed here

Input, per 1M tokens: $0.44provider $0.40
Output, per 1M tokens: $2.20provider $2.00
Cached input, per 1M: $0.044provider $0.04
Margin: +10%

Context and formats

Context window: 262,144 tokens
Longest answer: 209,715 tokens
Reads: text and files
Makes: text
First listed: 2025-12-09

Measured here, last 7 days

First token, median: not measured
Answered without error: not measured

Tools and JSON

Tool calling: declaredthe provider's claim, not yet measured here
JSON output: declaredthe provider's claim, not yet measured here

Price and latency history as JSON: GET /api/planet/history?id=mistralai/devstral-2512.

About

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...

In Mistral's words.

Try it here

Cmd+Enter sends

The answer appears here.

Measured here

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Call it

Use one OpenAI compatible endpoint, this model's id and an am_live_ key from the dashboard. You can also try it in chat first with no key.

curl https://useantimatter.com/v1/chat/completions \
  -H "Authorization: Bearer $ANTIMATTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "mistralai/devstral-2512", "messages": [{"role": "user", "content": "Hello"}]}'

Everything else is in the docs.

Embed this

A badge showing this model's live price per million tokens, as billed here, for a README or a site. It links back to this page.

<a href="https://useantimatter.com/planet/mistralai/devstral-2512"><img src="https://useantimatter.com/api/badge/price?id=mistralai%2Fdevstral-2512" alt="Devstral 2 2512 price on Antimatter" height="28"></a>

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