Overview
Claude Opus 5.5 is Anthropic's flagship model for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5.
Claude Opus 5.5 is available in Omny. 1,000,000 token context window. Image input. Reasoning mode. Tool calling. PDF input. Adjustable reasoning effort.
What it can do
- 1,000,000 token context window
- Image input
- Reasoning mode
- Tool calling
- PDF input
- Adjustable reasoning effort
Using it in Omny
Use Claude Opus 5.5 in Omny and compare its results with other language models on the same task.
Best for: Chat and comparing answers on your own prompts.
Questions
How do I use Claude Opus 5.5?
Open chat in Omny and select Claude Opus 5.5. Model access and usage depend on your plan.
What does Claude Opus 5.5 support in Omny?
1,000,000 token context window. Image input. Reasoning mode. Tool calling. PDF input. Adjustable reasoning effort.