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Anthropicclaude-opus-5-5

Claude Opus 5.5

Long-running agentic coding at a lower price than Opus 5.

Opus 5.5 is built for long-running agentic coding and knowledge work, with adaptive thinking always on — and it costs less than Opus 5 for the same kind of work.

  • Agentic coding
  • Knowledge work
  • Long-running tasks

Model details

Context window
1M tokens
Max output
128K tokens
Input
Text, images
Output
Text
Capabilities
Reasoning, Vision, Tool calling, Streaming
Interfaces
OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses

Pricing

Per 1M tokens. The Inferray price is what you are charged — no gateway fee is added on top of it.

Claude Opus 5.5 pricing.
MetricPrice
Input$4
Cached input$0.20
Output$20

Why teams pick it

  • Built for long-running agentic coding and knowledge work
  • Always-on adaptive thinking, priced below Opus 5
  • 1M-token context for whole-repo and long-document work

Call Claude Opus 5.5

Claude Opus 5.5 answers on any of the APIs below — pick the one your code already speaks and just swap in your Inferray key.

/v1/chat/completionsOpenAI-style Chat Completions · openai SDK or plain HTTP
curl https://api.inferray.com/v1/chat/completions \
  -H "Authorization: Bearer inferray_..." \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-opus-5-5",
    "messages": [{"role": "user", "content": "ship it"}]
  }'
/v1/messagesAnthropic-style Messages · @anthropic-ai/sdk SDK or plain HTTP
curl https://api.inferray.com/v1/messages \
  -H "Authorization: Bearer inferray_..." \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-opus-5-5",
    "max_tokens": 1024,
    "messages": [{"role": "user", "content": "ship it"}]
  }'
/v1/responsesOpenAI-style Responses · openai SDK or plain HTTP
curl https://api.inferray.com/v1/responses \
  -H "Authorization: Bearer inferray_..." \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-opus-5-5",
    "input": "ship it"
  }'

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