Anthropic Launches Haiku 5.5: Its Cheapest and Fastest Claude Model Yet

60-second summary
Anthropic releases Claude Haiku 5.5, its most affordable and quickest model, cutting operating costs roughly 75 % versus the prior version while handling high‑volume tasks such as summarization and live customer support; the upgrade lands just 15 days after Opus 5.5, signaling intensified competition that could compress pricing and accelerate adoption across AI‑driven service markets.
Claude Haiku 5.5 costs about 75% less to run than its predecessor and targets high-volume jobs like summaries and live customer support. It arrives 15 days after Opus 5.5.