v1.12.39 December 4, 2025 GPT-5.1-Codex Max Introducing GPT-5.1-Codex Max in three reasoning tiers (Low, Medium, High). Low variant available at no cost to paid users for a limited time. Download 1.12.39
Windsurf v1.12.39
Released · Cognition / Codeium
Models:Adds GPT-5.1 Codex