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Devstral Medium

MistralOpen weights

Devstral Medium by Mistral costs $0.40 per 1M input tokens and $2.00 per 1M output tokens, with a 128K-token context window.

Pricing

Input (per 1M tokens)
$0.40
Output (per 1M tokens)
$2.00
Cached input (per 1M)
—

Specifications

Provider
Mistral
Context window
128K tokens
Parameters
—
Released
Jul 2025
Open weights
Yes
Frontier model
No

Benchmarks

LMArena WebDev Elo
1071.2
SWE-bench Verified
53.8

Compare Devstral Medium with…

Devstral Medium vs Qwen3.5 35B-A3B$2.00/1MDevstral Medium vs GPT-5 Mini$2.00/1MDevstral Medium vs GLM 4.6$2.00/1MDevstral Medium vs GPT-5.1-Codex-Mini$2.00/1MDevstral Medium vs Grok Build 0.1$2.00/1MDevstral Medium vs Qwen3-Next 80B-A3B Instruct$2.00/1M

FAQ

How much does Devstral Medium cost?

Devstral Medium is priced at $0.40 per 1M input tokens and $2.00 per 1M output tokens. Output tokens cost more than input.

What is Devstral Medium's context window?

Devstral Medium supports a context window of 128K tokens — the maximum prompt plus response length it can handle in a single request.

Is Devstral Medium open weight?

Yes — Devstral Medium has openly available weights.

Data as of 2026-10-15. Source: models.dev (open). Pricing is per 1M tokens (USD); confirm with the provider before production use.