Mistral Medium 3.5 Launches with Cloud Coding Agents and New Work Mode in Le Chat

Apr 29, 2026

AI Summary

Mistral Medium 3.5 has been introduced as a new default model for coding tasks in Mistral Vibe and Le Chat. This model enables remote coding agents to operate in the cloud, allowing for parallel task execution and enhanced productivity through a new Work mode designed for complex projects.

Mistral Medium 3.5 is a 128B model with a 256k context window, optimized for coding and productivity tasks.
The model supports remote coding agents that can run independently in the cloud, initiated from Mistral Vibe CLI or Le Chat.
Work mode in Le Chat allows agents to handle complex, multi-step tasks, providing visibility into their actions and requiring user approval for sensitive operations.
Mistral Medium 3.5 scores 77.6% on SWE-Bench Verified and 91.4 on τ³-Telecom, outperforming previous models.
Coding sessions can now run in parallel, allowing developers to offload tasks and focus on higher-level decision-making.
The model integrates with tools like GitHub, Linear, Jira, and Slack, facilitating seamless collaboration and task management.
It is available for use in Mistral Vibe and Le Chat on Pro, Team, and Enterprise plans, with pricing set at $1.5 per million input tokens and $7.5 per million output tokens through API.
Mistral Medium 3.5 is also accessible for prototyping on NVIDIA GPU-accelerated endpoints.

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Mistral Medium 3.5 Launches with Cloud Coding Agents and New Work Mode in Le Chat

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