Sonnet 5.5 is now available in Cursor
Cursor has made Sonnet 5.5 available. Cursor says it is a strong model and performs on par with Opus in many tasks.
Related AI news
Cursor adds in-chat charts and diagrams with /visualize
Cursor can now build charts and diagrams directly in chat. The /visualize command analyzes data and shows the result inline, and it is available now in the Agents Window.
Cursor makes Rollouts and Security Reviewer available on Teams and Enterprise plans
On September 23, 2026, Cursor made both available on Teams and Enterprise plans and said it would include Rollouts usage credits for the next 10 days so users can try Rollouts on real changes.
Cursor says Security Reviewer now finishes 21% faster
Cursor says the update reduces Security Reviewer's average time to 3.8 minutes from 4.8 minutes.
Cursor introduces Rollouts for deployment verification
Rollouts write a monitoring plan and watch changes as they deploy, verifying deployments so regressions are caught before users see them.
Cursor says it cut token costs by 7% with no drop in agent quality
Cursor attributes the savings to tighter prompts, selective tool loading, better caching, and compressed file reads.