Top Story
9/10
High signal
Mistral AI Unveils Medium 3.5: 128B Open-Weight Model Crushing SWE-Bench at 77.6%
Mistral released Medium 3.5, a 128B dense multimodal model blending instruction-following, reasoning, coding, and vision with a 256k context window and configurable reasoning effort. It achieves frontier-level 77.6% on SWE-Bench Verified, powers async remote agents in Vibe for cloud coding sessions, and enables Work mode in Le Chat for multi-tool agentic workflows. Open weights under modified MIT license, self-hostable on 4 GPUs, API priced at $1.5/M input and $7.5/M output tokens.
Why it matters
A self-hostable European open-weight frontier model challenges Big Tech dominance, accelerating accessible agentic AI development.