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2026/10/8 15:51 (UTC+8) · New Model · Anthropic 🚀 Claude Haiku 5.5 (claude-haiku-5-5) is live, priced at $0.10 input / $0.50 output per million tokens up to 100K Released by Anthropic on October 7, it completes the Claude 5.5 family. It brings 1M context, 128K output, and the first effort levels on a Haiku; requests above 100K tokens bill at 5× the unit price, matching the official list. claude-haiku-5-5-thinking is also available, on both the native Anthropic and OpenAI-compatible endpoints. Available groups:
  • default / svip: OpenAI-compatible protocol
  • ClaudeCode: native Anthropic protocol (Claude Code and similar clients)
  • Claude_Enterprise: enterprise group, Anthropic first-party channel only
When migrating from Haiku 4.5, drop temperature / top_p / top_k and any assistant prefill, or requests return 400. See the AI Radar article for specs, benchmarks, and the migration checklist.
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