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Claude Haiku 5.5
Explore Claude Haiku 5.5, a lightweight small model that trims running costs by roughly 75% while handling bulk summaries, lookups and sorting.
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Claude Haiku 5.5: A Small Model Tuned for Heavy Work
Claude Haiku 5.5 pairs low per-task cost with quick responses, making it a practical pick for large, budget-conscious workloads.
- Lower Spend per TaskAverage spend on Claude Haiku 5.5 lands around a quarter of the Haiku 4.5 rate for the very same job.
- Made for RepetitionShort, recurring jobs such as compaction, summarization, lookups and sorting run smoothly at scale.
- Pairs with Bigger ModelsActs as a subagent alongside Opus 5.5 and Sonnet 5.5, and suits live support and browser-driven tasks.
Getting Claude Haiku 5.5 Running in Three Steps
Follow these short steps to point Claude Haiku 5.5 at your recurring workload.
Questions About Claude Haiku 5.5
Short answers covering cost, safety measures and where to find Claude Haiku 5.5.
What does Claude Haiku 5.5 cost next to Haiku 4.5?
Expect roughly a 75% drop on average: prompts up to 100K tokens are about 90% cheaper, and anything longer is still half price.
Did Sonnet 5.5 cache read rates move?
Yes — cache reads fell to $0.10 per million tokens from $0.20, which shaves close to 20% off most agentic Sonnet 5.5 spending.
How many monthly API credits come with Max and Team plans?
Max 5x includes $100 a month, Max 20x includes $200, and Team plans pool up to $500 — all usable across any Claude model.
How does Claude Haiku 5.5 score on alignment tests?
Scores rose clearly compared with Haiku 4.5: fewer misaligned behaviors appeared, and the model pushed back more often on misuse attempts.
Which safety guardrails ship with Claude Haiku 5.5?
Cyber protections rank between Haiku 4.5 and the newer large models, biology protections match Sonnet 5, Sonnet 5.5 and Opus 5, and verification programs remain open for broader research.
Where do I get Claude Haiku 5.5, and how do I move over?
claude-haiku-5-5 is live on the Claude Platform, AWS, Google Cloud and Microsoft Azure, and a migration guide covers each step of the switch.
Put Claude Haiku 5.5 Behind Your Next Agent
Launch claude-haiku-5-5 on the Claude Platform, follow the migration guide, and apply your monthly API credits to whatever you build next.