ModelClaude

Anthropic launches Claude Haiku 5.5, its cheapest model

Original title: Introducing Claude Haiku 5.5

Plain language

What it is: Anthropic released Claude Haiku 5.5, which is their fastest and cheapest small AI model. They also reduced the price of cache reads for Claude Sonnet 5.5 and introduced monthly API credits for Max and Team subscribers.
How it works: The model is designed for fast, repetitive, and high-volume tasks. It includes an adjustable effort setting that lets users choose whether to prioritize lower costs or higher intelligence.
Where it is available: It is available on the Claude Platform.
Example: Businesses can use it for tasks like summarizing documents, database queries, or live customer support.

What it is: Anthropic launched Claude Haiku 5.5, a fast and low-cost small model that costs about 75% less to run than Haiku 4.5. They also halved the price of Claude Sonnet 5.5 cache reads and added monthly API credits for Claude Max and Team subscribers.
How it works: The model is designed for high-volume workloads and can serve as a subagent alongside Opus 5.5 and Sonnet 5.5. It is the first Haiku model to feature an adjustable effort setting to balance cost and intelligence.
Where it is available: The model is available through the Claude Platform API.
Example: Asana integrated the model into its AI Teammates product to triage bugs, set up projects, and search portfolios, reducing latency by over 30%.

The headline and explanation on this page are based on Anthropic's post. The full details are in the original.

Introducing Claude Haiku 5.5