Models / LLM and chat
Anthropic · claude/opus-5
Claude Opus 5
Maximum-capability Claude reasoning
Anthropic's highest-capability Claude 5 tier for difficult reasoning, complex coding, research, and long-horizon agent tasks.
Premium
model tier
Vision
input
Deep
reasoning
Anthropic
provider
Live playground
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imageat playground — Claude Opus 5
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Output
Your response will appear here
Reason with context
Use the model for analysis, planning, and multi-step knowledge work.
Build and code
Apply it to software development, structured output, and agent workflows.
Generate text
Create clear answers, summaries, drafts, and conversational experiences.
Model overview
What Claude Opus 5 is built for
Anthropic's highest-capability Claude 5 tier for difficult reasoning, complex coding, research, and long-horizon agent tasks.
- Difficult multi-step reasoning
- Complex software engineering
- Research and synthesis
- Long-horizon agent tasks