Anthropic’s current Opus model for long-running agentic coding and knowledge work, with adaptive thinking, vision and 1M context.
Get StartedRun /model and pick Claude Opus 5.5 · $4/M input · $20/M output
Key capabilities and pricing
Built for multi-step coding and knowledge work that runs for a long time.
Reads screenshots and diagrams alongside code.
Keeps large repositories and long sessions in context, with up to 128K output.
Available in AdaL CLI and Desktop through the model selector
Use the coding environment where AdaL already understands your repo, tools, and task context.
Open the model selector and choose your model from the list.
Ask AdaL to inspect, plan, edit, test, and review with your chosen model powering the agent loop.
Open AdaL CLI or Desktop, run /model, and choose Claude Opus 5.5.
Get Started with AdaL