Claude Haiku 4.5
Our fastest model, a lightweight version of our most powerful AI, at a more affordable price
Claude Haiku 4.5 is Anthropic's small, fast Claude model release announced on Oct. 15, 2025, offering near-frontier coding, computer-use, agentic workflow, chat-assistant, and low-latency language-model capabilities via Claude apps, Claude Code, and the Claude API.
Pricing
Official table states MTok = million tokens. Claude Haiku 4.5: Base Input Tokens $1 / MTok, 5m Cache Writes $1.25 / MTok, 1h Cache Writes $2 / MTok, Cache Hits & Refreshes $0.10 / MTok, Output Tokens $5 / MTok.
Anthropic's official Claude Platform Docs pricing page lists Claude Haiku 4.5 model pricing in USD per MTok: Base Input Tokens $1 / MTok and Output Tokens $5 / MTok, with cache hit pricing of $0.10 / MTok and cache write pricing noted separately.