Devstral Medium
Mistral Devstral Medium — pricing, 131k context window, API cost calculator and alternatives.
By Mistral
Specs
- Provider
- Mistral
- Slug
- mistralai/devstral-medium
- Capabilities
- tools, json_mode
Pricing freshness
- Tier
- standard
- Currency
- USD
- As of
- 2026-05-08 17:08 UTC
Pricing history
Tracking Devstral Medium pricing since 2026-05-08. We'll plot the chart here once it changes.
Quickstart — call Devstral Medium from your app
curl https://api.mistral.ai/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $MISTRAL_API_KEY" \
-d '{
"model": "devstral-medium",
"messages": [{"role": "user", "content": "Hello!"}]
}'Official docs: https://docs.mistral.ai/api/
# pip install openai
from openai import OpenAI
client = OpenAI(
base_url="https://api.mistral.ai/v1",
api_key=os.environ["MISTRAL_API_KEY"],
)
resp = client.chat.completions.create(
model="devstral-medium",
messages=[{"role": "user", "content": "Hello!"}],
)
print(resp.choices[0].message.content)Official docs: https://docs.mistral.ai/api/
// npm install openai
import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://api.mistral.ai/v1",
apiKey: process.env.MISTRAL_API_KEY,
});
const resp = await client.chat.completions.create({
model: "devstral-medium",
messages: [{ role: "user", content: "Hello!" }],
});
console.log(resp.choices[0].message.content);Official docs: https://docs.mistral.ai/api/
Related models
Similar capabilities, context window, and price tier — drawn from across the catalog so you can compare alternatives in one click.
Frequently asked questions
What is Devstral Medium?
Devstral Medium is a large language model API from Mistral with a 131k-token context window. It costs $0.4 per 1M input tokens and $2 per 1M output tokens.
How much does Devstral Medium cost?
Devstral Medium is priced at $0.4 per 1M input tokens and $2 per 1M output tokens via the Mistral API. A 50/50 input/output workload of 1M total tokens costs about $1.2.
What is the context window of Devstral Medium?
Devstral Medium supports up to 131k tokens of context per request — roughly 262 pages of English text or 16384 lines of code at a typical density.
Does Devstral Medium support vision, tool use, or JSON mode?
Devstral Medium supports tool/function calling and structured JSON mode. It does not support image input (vision).
Who makes Devstral Medium?
Devstral Medium is built and operated by Mistral. Pricing, context window, and capabilities on this page are refreshed nightly from Mistral's public catalog.
Can I self-host Devstral Medium?
Devstral Medium is API-only — its weights are not publicly distributed by Mistral, so it cannot be self-hosted today.