Sonnet 5.5 is now selectable in Cursor, which says it matches Opus on many tasks. Cursor users can try a likely cheaper tier for everyday edits and AI agentAn AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.Full definition → runs, though the performance claim is unbenchmarked.
Terms in this piece · Glossary
AI agent — An AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.
