Claude Opus 4.1
Frontier model aimed at long-running agentic work in real codebases.
Source: Anthropic announcement · Updated 5 Aug 2025 · provider announcement
Capabilities
Capability ratings
Editorial assessment of what the system can do on each axis, 0-100. Capability is not adoption and not employment impact.
Summary
Multi-hour autonomous coding and research tasks with high task-completion rates.
Strongest axis for this model.
Average across all rated axes.
Impact
Occupations affected by Claude Opus 4.1 (4)
Occupations with published evidence mapped to this model. A model being able to do something is not evidence that firms use it.
Claude Opus 4.1 extended sustained autonomous performance on multi-step coding and research tasks, with providers reporting multi-hour task horizons.
Claude Opus 4.1 extended sustained autonomous performance on multi-step coding and research tasks, with providers reporting multi-hour task horizons.
Claude Opus 4.1 extended sustained autonomous performance on multi-step coding and research tasks, with providers reporting multi-hour task horizons.
Claude Opus 4.1 extended sustained autonomous performance on multi-step coding and research tasks, with providers reporting multi-hour task horizons.
Provenance
Where this record came from
- Announcement
- https://www.anthropic.com/news/claude-opus-4-1
Release records cite the provider announcement. Open-weight releases also link to their public model and repository pages where available. Read /methodology for how capability ratings are produced.