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Checked Active: 2026-10-15
Anthropic
Claude Haiku 5.5
High-volume work: summarization, subagents and browser use.
Evaluation Analysis: Anthropic calls it its cheapest, fastest and most capable small model to date (announcement, Oct 7, 2026).
Context Window1M tokens (128K max output)
Input Price / 1M$0.10 (prompts up to 100K)
Output Price / 1M$0.50 (prompts up to 100K)
Release Date2026-10-07
Specs and prices checked 2026-10-15 against the official page.