# Claude Haiku 5.5: AI model fact sheet

- **Provider:** anthropic
- **Released:** 2026-10-07
- **Training cutoff:** 2026-06
- **Context window:** 1,000,000 tokens
- **Max output:** 128,000 tokens
- **API pricing:** $0.10 / 1M input, $0.50 / 1M output
- **OpenRouter ID:** anthropic/claude-haiku-5.5
- **Capabilities:** conversation, reasoning, code-generation, analysis, function-calling

Anthropic’s small model for high-volume tasks and browser use. Accepts text, images and PDFs across a one-million-token context, with adaptive thinking and adjustable effort.

Source: real side-by-side outputs, pricing and specs at https://rival.tips/models/claude-haiku-5.5