{"id":"INC-anthropic-hkcw95k7r0f4","kind":"incident","aliases":[],"related":[],"title":"Anthropic: Degraded performance for Claude Opus 5 and Claude Haiku 4.5","description":"This incident has been resolved.","summary":null,"severity":"medium","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Anthropic","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["ai","anthropic","incident","llm","ops","vendor"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"resolved","published_at":"2026-08-19T09:42:37+00:00","first_seen_at":"2026-10-23T19:12:22+00:00","triaged_at":"2026-10-23T21:52:55+00:00","updated_at":"2026-10-23T21:52:55+00:00","category":"vendor","confidence":null,"triage":null,"analyst_status":null,"analyst_note":null,"search":"'4.5':11A '5':7A 'ai':17B 'anthrop':1A,18B 'anthropic':14A,16A 'claud':5A,9A 'degrad':2A 'haiku':10A 'hkcw95k7r0f4':15A 'inc':13A 'inc-anthropic-hkcw95k7r0f4':12A 'incid':19B,24C 'llm':20B 'op':21B 'opus':6A 'perform':3A 'resolv':27C 'vendor':22B","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2026-08-19T09:42:37+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"statuspage","external_id":"anthropic:hkcw95k7r0f4","url":"https://stspg.io/zg9tfmjj1th2","severity":"medium","published_at":"2026-08-19T09:42:37+00:00","modified_at":"2026-08-19T11:02:18+00:00","first_seen_at":"2026-10-23T19:12:22+00:00","fetched_at":"2026-10-26T07:37:28+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}