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Claude Haiku 5.5
Claude Haiku 5.5 delivers fast, low-cost output for bulk summaries, lookups and classification — roughly 75% cheaper to run than Haiku 4.5.
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Meet Claude Haiku 5.5, the Budget Workhorse
Claude Haiku 5.5 blends speed with a price tag roughly 75% lighter than Haiku 4.5, so large batches of routine requests stay affordable.
- Fraction of the CostPer-request spend lands around 75% below Haiku 4.5 on average, which reshapes what teams can afford to automate.
- Made for RepetitionSummaries, compaction, lookups and sorting keep flowing smoothly even when the queue never seems to end.
- A Reliable TeammatePairs with Opus 5.5 and Sonnet 5.5 as a subagent, and slots neatly into live support and browser-driven flows.
Running Claude Haiku 5.5 in Three Steps
From effort setting to deployment — a short path to putting Claude Haiku 5.5 on repetitive work.
Claude Haiku 5.5 — Common Questions
Straight answers on Claude Haiku 5.5 pricing, safeguards and where to get access.
How much cheaper is Claude Haiku 5.5 than Haiku 4.5?
Roughly 75% lower on average — 90% less on prompts up to 100K tokens, and 50% less once you go beyond that.
What's new with Sonnet 5.5 cache reads?
Cache reads now sit at $0.10 per million tokens, down from $0.20, which trims most agentic Sonnet 5.5 bills by around a fifth.
Which monthly API credits come with Max and Team plans?
Subscribers get monthly credits — $100 on Max 5x, $200 on Max 20x, and up to $500 pooled for Team — usable across any Claude model.
How does Claude Haiku 5.5 hold up on alignment tests?
Results improved clearly against Haiku 4.5: fewer misaligned behaviors appeared, and the model proved less willing to cooperate with misuse.
Which safeguards protect Claude Haiku 5.5?
Cyber protections sit between Haiku 4.5 and the newer large models in strictness, biology safeguards match Sonnet 5, Sonnet 5.5 and Opus 5, and verification programs remain open for broader research.
Where do I access Claude Haiku 5.5, and how do I migrate?
claude-haiku-5-5 is callable today on the Claude Platform, AWS, Google Cloud and Microsoft Azure, and a migration guide walks through the switch.
Put Claude Haiku 5.5 to Work Today
Launch claude-haiku-5-5 on the Claude Platform, follow the migration guide, and apply your new monthly API credits to the next agent or app you build.