What changed

Anthropic positions Haiku 5.5 for summarization, classification and narrowly scoped agent tasks. It adds adjustable effort controls.

Source: Anthropic

Our analysis

Builder’s view: test a smaller model on one clearly defined task before assigning it a broader workflow.

Keep in mind

Speed, cost and benchmark comparisons are Anthropic’s claims. Check current pricing and your own workload.

Source: Anthropic

Sources & dates

  • AnthropicSource published: 7 Oct 2026Checked: 7 Oct 2026

Article updated: 7 Oct 2026

Editorial standards & corrections