Claude Haiku 4.5
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...
Claude Haiku 4.5 specs and pricing
- Provider: Anthropic
- Released: October 15, 2025
- Context window: 200K tokens
- Max output: 64K tokens
- Input: text, images, files
- Output: text
- Price: $1.00 input / $5.00 output per 1M tokens
- Reasoning: yes
- Tool calling: yes
FAQ
- How much does Claude Haiku 4.5 cost? Claude Haiku 4.5 costs $1.00 per million input tokens and $5.00 per million output tokens through OpenRouter. In todo.is a typical agent step costs about 3.5 credits ($1 = 100 credits).
- What is the context window of Claude Haiku 4.5? Claude Haiku 4.5 can read up to 200K tokens at once and write up to 64K tokens in one reply.
- Can I use Claude Haiku 4.5 without coding? Yes. In todo.is you pick Claude Haiku 4.5 as your agent's model and write to-dos in plain words, on the web, the Android app, WhatsApp or Telegram. No API key needed: credits are included, or you can bring your own key.
JavaScript is required to use the todo.is app.