Claude Opus 5
100 +
About
Anthropic's newest Opus-tier flagship, released July 2026 — successor to Opus 4.8 with the same pricing tier, built for long-horizon agentic work, knowledge tasks, and clear, warm writing.
Settings
Response length- The maximum number of tokens to generate in the output.
Context length- The maximum number of tokens to use as input for a model.
Reasoning Tokens- Budget for reasoning. Must be lesser than Max Tokens (length of an output)