Anthropic: Degraded performance on Claude Opus 4.8
Affected components: Claude CoworkClaude API (api.anthropic.com)claude.aiClaude Code
Timeline of updates
- investigating
We are currently investigating this issue.
- resolved
This incident has been resolved.
Archive proof
Rewindex commits each version of an incident it captures to a daily checkpoint, chains it to the day before, and has the checkpoint timestamped by FreeTSA and DigiCert. That proves this record existed by then and has not been changed since, by anyone, Rewindex included.
How the archive is checked, and what it cannot prove.
First version captured
In the 2026-10-17 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
a754460e30329bc7…
Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab).
Cite this
Status incident (vendor impact label: minor) posted by Anthropic, started 2026-07-30 13:43 UTC, resolved after 41 min, 2 update(s).
- Title
- Degraded performance on Claude Opus 4.8
- Vendor
- Anthropic
- Date
- URL
- https://rewindex.com/company/anthropic/incidents/kqjy03gs895j
Anthropic profileRecent Anthropic incidentsAll outages on July 30, 2026Anthropic in July 2026MarkdownJSON