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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 Anthropic Claude Haiku family.

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About Anthropic Claude Haiku Latest

OpenRouter makes Anthropic Claude Haiku Latest available through a unified, OpenAI-compatible API using the model ID ~anthropic/claude-haiku-latest.

Anthropic Claude Haiku Latest accepts text, images and files such as PDFs and returns text. It has a 200,000-token context window and a maximum output of 64,000 tokens.

On OpenRouter, Anthropic Claude Haiku Latest costs $1.00/M input tokens and $5.00/M output tokens, with separate rates for Cache Read at $0.10/M tokens, Cache Write at $1.25/M tokens and Cache Write (1h) at $2.00/M tokens. Effective pricing can be lower when prompt caching applies. It was released on April 27, 2026.

More models from Anthropic

  • Claude Opus 5 (Fast)
  • Claude Opus 5
  • Claude Sonnet 5

Frequently asked questions

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

Anthropic Claude Haiku Latest costs $1.00/M input tokens and $5.00/M output tokens, with separate rates for Cache Read at $0.10/M tokens, Cache Write at $1.25/M tokens and Cache Write (1h) at $2.00/M tokens.

Anthropic Claude Haiku Latest has a 200,000 token context window. It supports up to 64,000 completion tokens.

Yes. Anthropic Claude Haiku Latest accepts tools and tool_choice for function calling. It also supports structured outputs via a JSON schema in response_format.

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

Claude Opus 5 (Fast), Claude Opus 5, Claude Sonnet 5 and 13 more are other text models from Anthropic.

Anthropic Claude Haiku Latest was released on April 27, 2026.

Quick Start

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.

Top models used by Anthropic Claude Haiku Latest

No usage data available yet.