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Anthropic

Claude Haiku 5.5

Newest Haiku — cheapest, fastest Claude for high-volume work.

Claude on AnyModel runs through the official Anthropic API and through AWS. The model weights are the same as in claude.ai. Answers can differ because the Claude app adds its own system prompt, tools and extended thinking to every request. Through the API the model receives only your request. More in the FAQ

Claude Haiku 5.5 is the newest small Claude: built for speed and volume — classification, extraction, quick edits and cheap agent steps where latency and cost dominate.

Best for

High volumeClassificationCheap agent steps

Strengths

  • ▸Newest Haiku
  • ▸Very fast
  • ▸Very cheap

Use Claude Haiku 5.5 via AnyModel

One OpenAI-compatible endpoint — just set the model id:

curl https://anymodel.org/v1/chat/completions \
  -H "Authorization: Bearer $ANYMODEL_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-haiku-5-5",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'
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