{"version":1,"type":"story","url":"https://digestai.news/story/anthropic-investigates-elevated-errors-across-five-claude-models","json":"https://digestai.news/story/anthropic-investigates-elevated-errors-across-five-claude-models.json","markdown":"https://digestai.news/story/anthropic-investigates-elevated-errors-across-five-claude-models.md","slug":"anthropic-investigates-elevated-errors-across-five-claude-models","headline":"Anthropic investigates elevated errors across five Claude models","summary":"Anthropic posted an incident on its Claude Status page at 06:14 UTC on October 25, 2026, saying it was investigating elevated errors on requests to five Claude models – Claude Mythos 5.1, Claude Fable 5.1, Claude Opus 5.5, Claude Sonnet 5.5, and Claude Haiku 5.5. The incident affected the claude.ai web interface, the Claude API, Claude Code and Claude Cowork services, which the status page marked as partial outages. No further updates were published after the initial report, and the incident remained listed as unresolved for the day.\n\nThe status page also showed recent uptime figures: 99.58 % for claude.ai, 99.64 % for the Claude API, 99.58 % for Claude Code and 99.57 % for Claude Cowork. Earlier in the week Anthropic resolved three separate error incidents affecting various Claude models, each with brief investigation windows and fixes deployed within minutes. The latest incident follows a pattern of short‑lived outages that the company monitors closely.\n\nAnthropic’s incident history indicates that similar elevated‑error events have occurred on October 22, 21, 13 and August 20, 2026, each resolved within an hour or two after investigation began.","keyPoints":["Anthropic opened an incident at 06:14 UTC on Oct 25 2026 for five Claude models","Affected services: claude.ai, Claude API, Claude Code, Claude Cowork marked partial outage","Uptime over past 90 days: 99.58‑99.64 % for affected components"],"whyItMatters":"Frequent model‑level errors can disrupt developers and enterprises that rely on Claude APIs, highlighting reliability challenges for commercial AI services.","category":{"slug":"models","name":"Generative AI & Models","url":"https://digestai.news/category/models"},"entities":{"companies":["Anthropic"],"models":["Claude Mythos 5.1","Claude Fable 5.1","Claude Opus 5.5","Claude Sonnet 5.5","Claude Haiku 5.5"],"people":[]},"firstPublishedAt":"2026-10-25T06:30:11Z","updatedAt":"2026-10-25T06:30:11Z","sourceCount":1,"hasPrimarySource":false,"sources":[{"outlet":"Unite.AI","title":"Anthropic Investigates Elevated Errors Across Five Claude Models","url":"https://unite.ai/anthropic-investigates-elevated-errors-across-five-claude-models","publishedAt":"2026-10-25T06:30:11Z","type":"press","primary":false,"lead":true}],"sourceNotes":null,"discussions":[],"thread":{"title":"Anthropic Enhances Claude Platform Security and Observability","url":"https://digestai.news/thread/anthropic-adds-opentelemetry-trace-export-to-claude-platform-for-debugging-and","storyCount":3},"cite":{"text":"Digest AI, \"Anthropic investigates elevated errors across five Claude models\", 25 October 2026, https://digestai.news/story/anthropic-investigates-elevated-errors-across-five-claude-models","publisher":"Digest AI","title":"Anthropic investigates elevated errors across five Claude models","datePublished":"2026-10-25T06:30:11Z","url":"https://digestai.news/story/anthropic-investigates-elevated-errors-across-five-claude-models"},"generatedBy":"Written by Digest AI's editorial model from the linked sources; the sources are the record.","license":"Headlines, digests and key points are written by Digest AI and may be quoted with a link to the story page. Linked articles belong to their publishers. Terms: https://digestai.news/terms#reuse"}