Haiku 5.5 costs about 75% less than Haiku 4.5 and adds adjustable effort, making it a cheaper multi-agentUsing several AI agents on one problem — splitting work in parallel, checking each other, or filling different roles like planner and reviewer.Full definition → for coding and browser use. Sonnet 5.5 cache reads are also half price.
Terms in this piece · Glossary
benchmark — A standard public test set for comparing AI models — the shared scoreboards behind every "model X beats model Y" claim.
multi-agent — Using several AI agents on one problem — splitting work in parallel, checking each other, or filling different roles like planner and reviewer.
