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Claude Haiku 5.5
Run bulk summaries, lookups and sorting with Claude Haiku 5.5 — a small, low-cost model built for heavy pipelines that stay inside budget.
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What Makes Claude Haiku 5.5 Stand Out
A compact model tuned for heavy pipelines: Claude Haiku 5.5 keeps output quality steady while the bill stays unusually low.
- Lower Running BillsDay-to-day inference on Claude Haiku 5.5 lands near a quarter of what Haiku 4.5 used to cost.
- Made for ThroughputShort, repeating jobs such as compaction, digests, record lookups and ordering run smoothly at scale.
- Pairs as a SubagentSlots in beside Opus 5.5 and Sonnet 5.5 for coding help, live chat support and in-browser automation.
Getting Claude Haiku 5.5 Running in Three Steps
A short walkthrough for wiring this model into repeating, high-volume jobs.
Questions About Claude Haiku 5.5
Straight answers on cost, safety guardrails and where you can run Claude Haiku 5.5 today.
What does Claude Haiku 5.5 cost next to Haiku 4.5?
Expect roughly 75% lower spend on average: 90% less for prompts up to 100K tokens, and 50% less once you go past that.
Did Sonnet 5.5 cache reads get cheaper?
Yes — the rate fell to $0.10 per million tokens from $0.20, which shaves roughly a fifth off typical agentic Sonnet 5.5 workloads.
Which monthly API credits come with Max and Team plans?
Max 5x includes $100 a month, Max 20x includes $200, and Team pools up to $500 — all spendable across any Claude model.
How well does Claude Haiku 5.5 score on alignment tests?
Scores rose noticeably versus Haiku 4.5: misaligned behaviour surfaced less often, and the model pushed back more firmly on misuse attempts.
Which safeguards ship with Claude Haiku 5.5?
Cyber protections land between Haiku 4.5 and the newer large models in strictness, biology protections match Sonnet 5, Sonnet 5.5 and Opus 5, and verification programs stay open to broader research.
Where can I run Claude Haiku 5.5 and how do I migrate?
The model is callable today via the Claude Platform, AWS, Google Cloud and Microsoft Azure, and a migration guide covers the switch step by step.
Put Claude Haiku 5.5 Into Production
Launch the model on the Claude Platform, follow the migration guide, and apply your monthly API credits to your next agent or app.