Loading...
Claude Opus 4 model.
An incident of degraded performance on Claude Opus 4.8 was investigated and resolved on July 30, 2024. The issue lasted approximately 41 minutes, from 13:43 UTC to 14:24 UTC.
Anthropic is investigating degraded performance on Claude Opus 4.8 as of July 30, 2025. A separate resolved Microsoft Office add-in availability issue was removed from the status history.
Check your models and usage for free. See the relevant official changes, estimated cost, and a practical next step.
An incident for Claude Opus 4.1 has been resolved and removed from the status page. A new incident for Opus 5 is under investigation and identified, with a fix being implemented. Users may experience elevated errors for Opus 5.
Anthropic updated the models overview page, replacing Claude Opus 4.8 with Claude Opus 5 as the recommended model for complex agentic coding and enterprise work. The new model has a May 2026 knowledge cutoff (vs Jan 2026 for Opus 4.8). Users should migrate to the new model ID claude-opus-5.
The Anthropic models page for Claude Opus 4.6 has been restructured: 'Best practices' moved from a resource link to a standalone section, 'Extended thinking' column removed from the table, and new UI localization strings added. No functional or pricing changes detected.
No benchmark data available.
ModelPriceLabModelPriceLab