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Claude Opus 5.5

Anthropic's model for long-running agentic coding and knowledge work, 1M-token context.

By Anthropicsource

Facts read from official pages, last on

Official page

Price

What the gateway charges per million tokens: what you send in, and what the model writes back.

Source: Vercel AI Gateway, checked 2026-09-25.

Input
$4per 1M tokens
Output
$20per 1M tokensOutput costs 5x the input.

Specs

How much it reads at once, how much it writes back, and how recent its knowledge is.

Source: Vercel AI Gateway, checked 2026-09-25.

Context window
1M tokens1,000,000
Max output
128K tokens128,000
Knowledge cutoff
Jun 2026
Released
Type
Language
Modalities
Takes text, image, PDF. Returns text.
Gateway ID
anthropic/claude-opus-5.5

Capabilities

What the gateway says this model supports.

Source: Vercel AI Gateway, checked 2026-09-25.

  • Explicit caching
  • Fast
  • File input
  • Reasoning
  • Tool use
  • Vision
  • Web search

Data handling

What happens to your prompts, and what you have to switch on.

Source: Vercel AI Gateway, checked 2026-09-25.

ZDREvery provider

Zero data retention

Available on a paid Vercel plan through the AI Gateway, from every provider on it (you turn it on).

NTEvery provider

No training on prompts

Offered by every provider on the Vercel AI Gateway, when you turn it on.

Usage

How much people actually run it, as counted where it is served.

requests
7.3M7,250,519 requests
tokens
685.1B685,121,818,026 tokens

Counted on OpenRouter over the 4 days to 2026-09-25.

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