NewBuild

Version 2026.5.4

New

  • GPT-5.3 Codex - The latest agentic coding model from OpenAI. Combines frontier coding with research and tool use capabilities.
  • Claude Sonnet 4.6 - The newest Sonnet with adaptive thinking and 64K output tokens.
  • Claude Opus 4.6 - Upgraded to 128K output tokens with 1M context window support.
  • Gemini 3.1 Pro - Replaces the deprecated Gemini 3 Pro Preview.
  • Configurable Model Preferences - Choose which AI models to use for Economy (Fast) and Quality (Pro) modes from Preferences > AI Model. Your choices are saved to your account.