Google’s strongest reasoning model, for hard software engineering, long-horizon agents and security work. It has a 1M tokens context window. Through Google’s API it costs $2.00 (then $4.00 from Dec 1) per million input tokens and $10.00 (then $20.00 from Dec 1) per million output tokens.
Among the tools we track, it’s available in Antigravity CLI, Copilot, Cursor and Amp. It was announced for cyber defenders on October 28 and opened to developers on November 10, 2026. Introductory pricing ends November 30. In Antigravity it’s for Google AI Ultra and business customers.
What Google reports
- Google reports 1768 Elo on WebDev Arena
Vendor-reported figures, not independently verified by Code×Radar.
Related changes
- Copilot will drop six models, including Claude Fable 5, on December 14 · November 13, 2026
Sources
- aistudio.google.com: gemini 4 carbon
- aistudio.google.com: pricing
- blog.google: introducing gemini 4 carbon
- cursor.com: models
Facts last checked November 15, 2026.