{"slug": "claude-status-elevated-errors-for-multiple-models", "title": "Claude Status – Elevated errors for multiple models", "summary": "Anthropic identified the cause of elevated errors affecting requests to Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5 as of Sep 22, 2026 at 01:17 UTC and said it is working on a fix. The incident, first flagged as under investigation at 00:57 UTC, affects claude.ai, the Claude API at api.anthropic.com, Claude Code, and Claude Cowork.", "body_md": "We have identified the cause of elevated errors on requests to Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5 and are working on a fix. We will provide an update as soon as possible.\n\nPosted Sep 22, 2026 - 01:17 UTC\n\nInvestigating\n\nWe are investigating elevated errors on requests to Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5. We will provide an update as soon as possible.\n\nPosted Sep 22, 2026 - 00:57 UTC\n\nThis incident affects: claude.ai, Claude API (api.anthropic.com), Claude Code, and Claude Cowork.\n\nSubscribe to updates for Elevated errors for multiple models via email and/or text message. You'll receive email notifications when incidents are updated, and text message notifications whenever Claude creates or resolves an incident.", "url": "https://wpnews.pro/news/claude-status-elevated-errors-for-multiple-models", "canonical_source": "https://status.claude.com/incidents/7g1qpkyz5gxh", "published_at": "2026-09-22 01:05:19+00:00", "updated_at": "2026-09-22 01:23:26.984569+00:00", "lang": "en", "topics": ["ai-products", "ai-infrastructure", "large-language-models"], "entities": ["Anthropic", "Claude Mythos 5.1", "Claude Fable 5.1", "Claude Opus 5", "claude.ai", "Claude API", "Claude Code", "Claude Cowork"], "alternates": {"html": "https://wpnews.pro/news/claude-status-elevated-errors-for-multiple-models", "markdown": "https://wpnews.pro/news/claude-status-elevated-errors-for-multiple-models.md", "text": "https://wpnews.pro/news/claude-status-elevated-errors-for-multiple-models.txt", "jsonld": "https://wpnews.pro/news/claude-status-elevated-errors-for-multiple-models.jsonld"}}