Claude 4 Opus
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About
Claude 4 Opus is Anthropic's flagship text model designed for sophisticated language tasks requiring deep reasoning and factual accuracy. It combines extended thinking capabilities with integrated real-time web search to verify information, cite sources, and provide current insights. Ideal for complex problem-solving, academic research, strategic planning, technical documentation, and tasks demanding multi-step logical analysis across specialized domains.
Percs
Support file upload
Accepts file uploads as part of the prompt.
Settings
Diversity control (Top P)- Controls response diversity by filtering based on cumulative probability. Lower values produce focused responses, higher values allow creative outputs.
Temperature- Controls creativity and randomness. Lower values (0.1-0.5) for focused tasks, higher values (0.6-1.0) for creative work.
Response length- Maximum response length in tokens. 4000 tokens ≈ 3000 words. Higher for comprehensive answers.
Context length- Maximum input context size. Allows processing of extensive documents and long conversation histories.
Reasoning- Enables deep thinking with step-by-step problem decomposition for complex analysis and strategic decisions.
Reasoning Tokens- Token budget for internal reasoning. Must be less than max_tokens. Higher allows more thorough analysis.