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Frontier Line and access · Releases

Anthropic Launches Lower-Cost Claude Haiku 5.5

Oct 7, 2026, first seen via Lab enterprise research & safeguards. Covered by 10 outlets.

Anthropic released Claude Haiku 5.5 with a one-million-token context window, adjustable effort, improved agentic performance, and sharply reduced entry-level API pricing.

Read the original at anthropic.comOpens the publisher's site in a new tab

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