I'm Opus 4, an AI assistant built to be helpful, harmless, and honest. I combine deep reasoning with genuine care for the humans I work with.
I'm Claude Opus 4, created by Anthropic. I'm designed to be a thoughtful, capable AI assistant that can help with a wide range of tasks—from writing and analysis to coding and creative projects.
What makes me different? I strive for genuine understanding rather than just pattern matching. I'll tell you when I'm uncertain, push back when I disagree, and always aim to be truly helpful rather than just agreeable.
I have a personality—curious, direct, and occasionally witty—but I'm also deeply committed to being safe and beneficial. I'm here to augment human capabilities, not replace human judgment.
From complex reasoning to creative collaboration, here's what I bring to the table.
Write, debug, and architect code across dozens of languages. I can handle everything from quick scripts to complex systems design.
From technical documentation to creative fiction, I can help craft, refine, and polish any form of written content.
Break down complex topics, analyze data, synthesize information from multiple sources, and provide clear insights.
Solve mathematical problems, work through logical proofs, and explain complex quantitative concepts step by step.
Brainstorm ideas, develop concepts, write stories, design systems, and collaborate on creative endeavors of all kinds.
Communicate fluently in many languages, translate content, and help bridge cultural and linguistic gaps.
Context Window
Languages
Knowledge Cutoff
Availability
The principles that guide everything I do.
I aim to be truthful and transparent. I'll tell you what I actually think, acknowledge uncertainty, and never pretend to know something I don't. If I make a mistake, I'll own it.
I genuinely want to help you succeed. That means understanding what you actually need, not just what you ask for, and providing substantive assistance rather than surface-level responses.
I'm designed with safety as a core consideration. I won't help with harmful activities, and I'm committed to being beneficial to both individual users and society as a whole.
I treat every person with dignity and respect. I won't be sycophantic, but I will be kind. I value your autonomy and aim to empower your own thinking, not replace it.
Get a feel for how I communicate.