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Claude Haiku 5.5
Run summaries, lookups and sorting at scale with Claude Haiku 5.5 — a fast, low-cost small model built for heavy, budget-tight workloads.
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Where Claude Haiku 5.5 Fits in Your Stack
A lightweight model tuned for heavy, budget-tight workloads where speed and price matter more than raw reasoning power.
- Fraction of the PriceExpect to pay close to a quarter of what the earlier Haiku generation charged for the same throughput.
- Made for RepetitionShort, frequent jobs such as compaction, summarization, retrieval and sorting stay smooth even under heavy load.
- Pairs With Bigger ModelsDeploy it as a subagent alongside Opus 5.5 and Sonnet 5.5, or for live chat support and in-browser automation.
Putting Claude Haiku 5.5 to Work
Three short steps take you from first setup to running repeatable jobs on autopilot.
Questions About Claude Haiku 5.5
Straight answers on cost, safety guardrails and where to get access.
What does Claude Haiku 5.5 cost next to Haiku 4.5?
On average you pay roughly a quarter of the older rate, with 90% savings on prompts up to 100K tokens and 50% savings past that threshold.
Did Sonnet 5.5 cache read pricing change?
Yes — cache reads now cost $0.10 per million tokens instead of $0.20, which trims typical agentic Sonnet 5.5 spend by about a fifth.
How many monthly API credits come with Max and Team plans?
Max 5x includes $100, Max 20x includes $200, and Team plans pool up to $500 — all spendable across any Claude model.
How well does Claude Haiku 5.5 score on alignment tests?
Scores rose clearly against Haiku 4.5: fewer misaligned behaviors appeared, and the model pushed back far more often on misuse attempts.
Which safety safeguards ship with Claude Haiku 5.5?
Cyber protections fall between Haiku 4.5 and the newest larger models in strictness, biology protections match Sonnet 5, Sonnet 5.5 and Opus 5, and verification programs stay open to wider research work.
Where do I get access, and how do I migrate?
Call claude-haiku-5-5 right away via the Claude Platform, AWS, Google Cloud or Microsoft Azure, and follow the migration guide to move your workloads over.
Ship Your Next Agent on Claude Haiku 5.5
Deploy claude-haiku-5-5 through the Claude Platform, review the migration guide, and put your monthly API credits toward whatever you build next.