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Anthropic
Claude Opus 5
Claude for the most complex tasks
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See available modelsAbout the model
Claude Opus 5 is the model in the Claude lineup with the deepest reasoning. Anthropic designs Opus for tasks where accuracy, care and very complex multi-stage context matter. It lays out deep step-by-step reasoning and is especially strong in architecture design, debugging and code review, as well as in fine-grained analytics and research tasks. The model understands images, holds a huge context and reliably runs multi-step agent scenarios with tool calling. It works well with Russian and follows instructions precisely.
Strengths
- Maximum reasoning depth in the Claude lineup
- Strong with code, architecture and algorithms
- Huge context for the largest tasks
- Works with images and visual context
- Reliable agent coordination and tool calling
- Precise instruction following and careful Russian
Where to use it
- Complex analytics and research
- Architecture design and algorithm analysis
- Development, debugging and in-depth code review
- Autonomous agents and multi-step planning
- Analysis of huge technical materials
- Tasks where accuracy and sound justification are critical