Companies / Anthropic / Monthly reports / February 2026
Anthropic in February 2026: incidents, uptime and changes Overview Changes Uptime Monthly ← January 2026 All months March 2026 → 58 incidents posted
15 labelled major or critical
96.85% free of major/critical
66.53% free of any incident
0 price changes
0 notable page changes
Vendor-reported outage time 21 h 8 min, incident time 9.4 days. Derived from the incidents the vendor posted on its own status page, not measured by us. A minute counts as an outage minute when a major or critical incident (as the vendor labelled it) was open; incident minutes include minor ones too. Maintenance and incidents marked "no impact" are left out, overlapping incidents are merged, a resolved incident counts for at most 7 days, and one still open with no resolution counts for at most 24 hours. Last 90 days .
By vendor label:
Major and critical incidents 15 Incident Impact Started Duration Status Day Elevated error rate on API across all Claude models Feb 3, 15:46 10 min resolved 02-03 Elevated error rate on API across all Claude models Feb 3, 18:00 3 min resolved 02-03 Credit purchase issues & delays Feb 1, 21:59 4.2 h resolved 02-01 Elevated errors on Claude Opus 4.5 and Sonnet 4.5 Feb 4, 10:13 58 min resolved 02-04 Elevated errors on Claude models Feb 4, 16:39 27 min resolved 02-04 Elevated errors on Claude models Feb 14, 07:27 1.3 h resolved 02-14 Cowork new task page not loading Feb 18, 03:23 44 min resolved 02-18 Elevated error rates across multiple models Feb 18, 15:36 2.9 h resolved 02-18 Claude's responses not appearing in Cowork Feb 19, 15:30 33 min resolved 02-19 Elevated errors on Claude Haiku 4.5 Feb 23, 14:06 1.9 h resolved 02-23 Elevated error rates across multiple models Feb 25, 17:15 31 min resolved 02-25 Elevated errors on Claude Opus 4.6 Feb 25, 19:15 22 min resolved 02-25 Elevated errors on claude.ai Feb 27, 12:59 13 min resolved 02-27 Elevated errors on claude.ai Feb 27, 13:14 4.0 h resolved 02-27 Elevated errors on claude.ai Feb 28, 12:57 2.9 h resolved 02-28
Other incidents 43 Incident Impact Started Duration Status Day Elevated errors on Claude Opus 4.5 Feb 1, 10:54 48 min resolved 02-01 Elevated errors on Claude Sonnet 4.5 Feb 1, 11:47 47 min resolved 02-01 Elevated errors on Claude Opus 4.5 Feb 2, 23:15 3 min resolved 02-02 Elevated error rate establishing new connections to Claude.ai connectors Feb 3, 18:42 2.1 h resolved 02-03 SSO and magic link sign-in degraded on Claude Desktop Feb 3, 20:30 0 min resolved 02-03 Elevated errors on Claude Opus 4.5 Feb 3, 21:02 2.1 h resolved 02-03 Conversation compaction temporarily disabled on claude.ai Feb 5, 15:58 4.6 h resolved 02-05 Elevated error rates on claude.ai Feb 6, 19:30 0 min resolved 02-06 Elevated errors on Claude models Feb 7, 15:59 32 min resolved 02-07 Opus 4.6 Fast Mode small amount of errors Feb 10, 11:23 5.1 h resolved 02-10 Elevated errors on Opus 4.6 Fast Mode Feb 10, 22:11 7.5 h resolved 02-10 Elevated errors on Opus 4.6 Feb 11, 08:21 16 min resolved 02-11 Elevated errors on Claude Sonnet 4.5 Feb 11, 13:22 1.6 h resolved 02-11 Elevated errors on Claude Haiku 4.5 Feb 11, 14:52 51 min resolved 02-11 Elevated errors on Opus 4.6 Feb 12, 14:18 59 min resolved 02-12 Elevated errors on Opus 4.6 Fast Mode Feb 13, 17:13 4.2 h resolved 02-13 MCP not working in Research in claude.ai Feb 13, 17:56 5.4 h resolved 02-13 Issues with Code Execution Tool Feb 14, 16:13 26 min resolved 02-14 Elevated errors on Opus 4.6 Feb 16, 14:32 34 min resolved 02-16 Elevated errors on Claude Opus 4.6 Feb 16, 16:05 3.2 h resolved 02-16 Elevated errors on Claude Opus 4.6 Feb 17, 13:13 3.4 h resolved 02-17 New user-created skills are not working in Claude.ai Feb 17, 15:26 4.6 h resolved 02-17 Elevated errors on Claude Sonnet 4.5 Feb 17, 18:01 1.0 h resolved 02-17 opus 4.6 elevated errors Feb 17, 19:20 1.8 h resolved 02-17 Intermittent errors in skills-related functionality Feb 17, 20:15 7 d resolved 02-17 CSS errors on Claude.ai Feb 17, 23:56 14 min resolved 02-17 Elevated errors on Claude Opus 4.5 Feb 18, 10:49 1.3 h resolved 02-18 Elevated errors on Claude Sonnet 4.6 Feb 18, 13:20 2.3 h resolved 02-18 Elevated errors on Claude Sonnet 4.5 Feb 20, 14:37 1.0 h resolved 02-20 Sonnet 4 errors Feb 20, 19:42 35 min resolved 02-20 Some Windows users unable to use Cowork Feb 21, 05:00 0 min resolved 02-21 Opus 4.6 elevated error rates Feb 21, 22:16 55 min resolved 02-21 Elevated errors on Claude Opus 4.6 Feb 23, 08:00 2.0 h resolved 02-23 Elevated errors on Claude Sonnet 4.5 Feb 23, 11:21 15 min resolved 02-23 Elevated errors on Claude Sonnet 4.6 Feb 24, 07:22 19 min resolved 02-24 Elevated errors on Claude Sonnet 4.6 Feb 24, 12:22 1.1 h resolved 02-24 Elevated errors on Claude Sonnet 4.6 and Opus 4.6 Feb 25, 13:58 2.4 h resolved 02-25 Claude Desktop failing to open for some users Feb 25, 16:23 7.5 h resolved 02-25 Outage in usage reporting Feb 26, 15:56 22 h resolved 02-26 Claude Code showing "JSON Parse error: Unexpected EOF" and writing excessive files on Windows Feb 26, 19:57 3.2 h resolved 02-26 Claude Desktop login issues Feb 27, 14:00 3.4 h resolved 02-27 Sonnet 4.6 elevated error rate Feb 27, 19:32 11 min resolved 02-27 Elevated errors on Claude Opus 4.6 Feb 28, 18:09 25 min resolved 02-28
Cite this Anthropic posted 58 status incidents in February 2026 (15 major or critical); 0 price changes and 0 notable page changes observed.
Title Anthropic in February 2026 Vendor Anthropic Date 2026-02-01 00:00 UTC URL https://rewindex.com/company/anthropic/2026/02 Copy citation Copy markdown link