AI Research Atlas

Codestral 25.01

Mistral AI · 13 January 2025

Codestral 25.01 is about 2x faster than its predecessor, with a 256K context and 95.3% fill-in-the-middle pass@1.

Better tokenizer and efficiency for completion in IDEs, with HumanEval at 71.4% (from 65.6%) and context from 32K to 256K. Debuted #1 on the LMSys Copilot Arena leaderboard per Mistral.

Date
Monday, 13 January 2025
Lab
Mistral AI
Kind
model
Access
closed API

Figures

MeasureValueMeasured by
HumanEval71.4%
from 65.6%
company
Fill-in-the-middle pass@195.3%company

Sources

  1. mistral.ai/news/codestral-2501

This record was checked against its sources on 6 October 2026. How we check

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