Anthropic18:28Feature UpdatesOfficial X
Claude Advisor Beta: Opus Boosts Sonnet/Haiku
Build smarter agents cheaper with better accuracy.
Key Points
- 1Executor Sonnet/Haiku + Opus advisor
- 2Mid-run consult in single API
- 3SWE-bench +2.7pp, 11.9% less cost
- 4Beta via Messages API
Anthropic beta-launched Advisor tool on Claude Platform. Sonnet/Haiku consults Opus mid-task for plans, in one API call. SWE-bench: +2.7pp over Sonnet alone, 11.9% cheaper. Opus-level smarts at fraction cost.