Mistral Medium 3.5 vs. the IDE-Locked Incumbents: Cloud Agents Are Eating Code Assistants

Mistral Medium 3.5 scores 77.6% on SWE-Bench Verified, runs async cloud agents via Vibe CLI, and costs $1.5/M input tokens. Launched April 29 — five days after Copilot's implosion.

5/4/2026, 12:00:00 AM