Opus 4.1 on Zo

Opus 4.1 is a chat model trained by Anthropic, with a knowledge cutoff of March 2025, and a context window of 200,000 tokens. You can configure the model's reasoning level.

Anthropic's most powerful model. An upgrade to Claude Opus 4 on agentic tasks, real-world coding, and reasoning.

On Zo, you can choose between all the leading AI models for chatting, research, coding, and generating media. We believe in giving you the power to explore different models so that you can get the best results for any task.