Use Claude computer use with Claude Opus 5.5

by AnthropicCode

Claude Opus 5.5 uses Claude computer use through Opper on the Messages endpoint, passed through as Anthropic defines it.

UseClaude computer usewithin

Add Claude computer use to Claude Opus 5.5

Set up with agents

Paste this into your coding agent (Claude Code, Cursor, Codex, and more) and it will set up and build with Opper for you.

Get your API key

In your code

1curl https://api.opper.ai/v3/compat/v1/messages \
2  -H "Authorization: Bearer $OPPER_API_KEY" \
3  -H "Content-Type: application/json" \
4  -d '{"model": "anthropic/claude-opus-5-5", "max_tokens": 1024,
5       "messages": [{"role": "user", "content": "Open a browser and go to opper.ai."}],
6       "tools": [{"type": "computer_toolset_20260801"}]}'

Where you can run it

Claude Opus 5.5 runs Claude computer use on the routes below. One route also sells priority processing: the same model at another price, picked per request with service_tier. How service tiers work.

Provider	Region	Training	Input	Output	Cache read
Google Cloud	EU	No	$4.40	$22.00	$0.22$5.50 write	Not offered on this route
Anthropic	US	No	$4.00	$20.00	$0.20$5.00 write
Google Cloud	Multi	No	$4.00	$20.00	$0.20$5.00 write	Not offered on this route

The model

Claude Opus 5.5

by Anthropic

Claude Opus 5.5, Anthropic's model for long-running agentic coding, computer use, and knowledge work, with always-on adaptive thinking, a 1M-token context, and 128K output.