Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s performance...
anthropic/claude-haiku-4.5Claude Haiku 4.5 is an API model from Anthropic, released on Oct 15, 2025, with a context window of 200,000 tokens, pricing of $1 per million input tokens and $5 per million output tokens. It accepts file, image, text input and produces text output.
At listed prices, a request with 10,000 input tokens and 1,000 output tokens costs about $0.015.
Specs are sourced from OpenRouter and were last checked on Nov 3, 2026. Always confirm current pricing and limits with the provider before production use.
Claude Haiku 4.5 supports a context window of 200,000 tokens.
Claude Haiku 4.5 is listed at $1 per million input tokens and $5 per million output tokens on OpenRouter.
Claude Haiku 4.5 was published on Oct 15, 2025.
Claude Haiku 4.5 accepts file, image, text input and produces text output.