Codestral 2508

mistralai/codestral-2508

Mistral: Codestral 2508 is a text and file input, text output model. It has a context length of 256,000 tokens and supports tool use. The price is $0.30 per million input tokens and $0.90 per million output tokens.

  • tool use
  • structured outputs

At a glance

providermistralai
releasedJul 30, 2025
context256K
input / M$0.30

Specifications

What the API gives you

Context window
256K tokens
Max output
205K tokens
Input price
$0.30 / 1M tokens
Output price
$0.90 / 1M tokens
Cache read
$0.030 / 1M tokens
Modalities
text, file → text
Knowledge cutoff
Mar 31, 2025
Released
Jul 30, 2025

Measured evidence

Public benchmark record

Design Arena Coding
835 Elo2026-10-21
Design Arena UI
851 Elo2026-10-21
Design Arena Website
809 Elo2026-10-21

LMArena data licensed CC-BY-4.0. Aider (Apache-2.0) and SWE-bench (MIT) are open. Design Arena uses blind human preference.

Task evidence

How broad is the support?

Each status is exact to this model version and the selected task. Official release claims remain provisional.

  • Best LLM for Frontend & UIProvisional evidence

    55% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LiveBench Coding or LMArena WebDev. 6 of 6 configured evaluation feeds currently have results.

  • Best LLM for CodingProvisional evidence

    16% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Aider Polyglot or LiveBench Coding. 7 of 7 configured evaluation feeds currently have results.

Recommendation coverage

Where this model appears

Not currently included in a published recommendation. The task evidence panel above says exactly what is confirmed and what is still missing.

Catalog data via OpenRouter and models.dev. Last checked within the past 6 hours.