# Claude: Degraded performance for multiple models

- Impact (vendor’s label): minor · Downplayed?
- Status: resolved
- Started: 2026-08-18 16:20 UTC · Resolved: 2026-08-18 19:01 UTC · Duration: 2.7 h
- Updates: 5 · Affected components: Claude Cowork, Claude API (api.anthropic.com), claude.ai, Claude Code
- [Vendor status page: https://stspg.io/tcsfmtc03xgm](https://stspg.io/tcsfmtc03xgm)
- [Company: Claude](https://rewindex.com/company/claude.md)

## Downplayed?

Vendor rated this minor; a Hacker News thread about it drew 151 points and 140 comments. [Degraded performance for multiple models](https://news.ycombinator.com/item?id=49348163)

_This is an automated signal, not a finding. It compares the vendor’s own impact rating with public Hacker News activity (points, comments in the first hour, distinct commenters, first-hand symptom reports). HN users skew technical, so the impact on any one customer may differ. Method: [About: Hacker News signals](https://rewindex.com/about#signals)_
## Discussed on Hacker News

- [Degraded performance for multiple models](https://news.ycombinator.com/item?id=49348163): 151 points, 140 comments, posted 2026-08-18 16:28 UTC, posted 8 min after the vendor’s first update

## Timeline of updates

- **investigating** 2026-08-18 16:20 UTC: We are investigating reports of degraded performance affecting multiple models. We will provide an update as soon as possible.
- **investigating** 2026-08-18 16:20 UTC: We are investigating elevated errors on requests to Claude Mythos 5, Claude Fable 5, Claude Opus 5, Claude Sonnet 5, Claude Haiku 4.5, and other Claude models. We will provide an update as soon as possible.
- **investigating** 2026-08-18 17:12 UTC: We are investigating elevated errors on requests to Claude Opus 5. We will provide an update as soon as possible.
- **monitoring** 2026-08-18 18:26 UTC: A fix has been implemented and we are monitoring the results.
- **resolved** 2026-08-18 19:01 UTC: The issue affecting Claude Opus 5 has been resolved. Impact occurred from 16:11 to 18:23 UTC.


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Canonical: https://rewindex.com/company/claude/incidents/q7txxvbsftgq · Markdown: https://rewindex.com/company/claude/incidents/q7txxvbsftgq.md · JSON: https://rewindex.com/api/v1/companies/claude/incidents/q7txxvbsftgq · Generated 2026-10-18T09:45:53.203Z