Anthropic confirmed a third model in the Claude 5.5 family: Claude Haiku 5.5, aimed at high-volume and cost-sensitive use, due in the coming weeks. It rounds out the family — Opus 5.5 for the hardest work, Sonnet 5.5 for well-scoped everyday tasks, Haiku 5.5 for scale.

The family strategy is clear: bring flagship-level capability down into daily-work economics. Sonnet 5.5 already scores near Opus 5.5 on long-horizon knowledge-work benchmarks at Sonnet 5's list price, with up to 30% less per task; Haiku 5.5 should push the cost floor further still.

Watch the pricing when it lands — Haiku models have historically been where Anthropic fights for agentic-loop volume, and Sonnet 5.5's independent cost findings (above) make the real per-task economics worth checking before switching.