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Anthropic: Claude Haiku Latest

Claude Haiku 4.5

~anthropic/claude-haiku-latest

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This model always redirects to the latest model in the Claude Haiku family.

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API

Drop-in code to call this model. OpenRouter's API is OpenAI-compatible — most SDKs work by just swapping the base URL. The only thing that changes between models is the model slug below.

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Latest model

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Claude Haiku 4.5by anthropic

Top models used by Claude Haiku Latest

No usage data available yet.

Frequently asked questions

This model always redirects to the latest model in the Claude Haiku family.

Claude Haiku Latest has no fixed price of its own. Each request is billed at the price of the model that serves it, so your cost depends on which model the request is routed to.

Claude Haiku Latest can route to models with context windows of up to 200,000 tokens. The context length available to a request is that of the model that serves it.

Claude Haiku Latest accepts text, images, and files such as PDFs as input and returns text.

Claude Sonnet 5.5, Claude Opus 5.5, Claude Fable 5.1 and 11 more are other text models from Anthropic.

Claude Haiku Latest was released on April 27, 2026.