Anthropic

Anthropic

OPERATIONAL
February 26, 2026
15:56 UTC
Outage in usage reporting
19:57 UTC
Claude Code showing "JSON Parse error: Unexpected EOF" and writing excessive files on Windows
February 27, 2026
12:59 UTC
Elevated errors on claude.ai
13:14 UTC
Elevated errors on claude.ai
14:00 UTC
Claude Desktop login issues
19:31 UTC
Sonnet 4.6 elevated error rate
February 28, 2026
12:57 UTC
Elevated errors on claude.ai
18:09 UTC
Elevated errors on Claude Opus 4.6
March 01, 2026
No incidents reported
March 02, 2026
11:49 UTC
Elevated errors on claude.ai, console, and claude code
14:35 UTC
Elevated errors on Claude Opus 4.6
16:50 UTC
Elevated errors on Claude Opus 4.6
17:08 UTC
Elevated errors in claude.ai
17:56 UTC
Elevated errors on Claude Haiku 4.5
03:15 UTC
Elevated errors in claude.ai, cowork, platform, claude code
04:40 UTC
Errors with login on claude code
March 03, 2026
06:59 UTC
Elevated errors on Claude Opus 4.6
14:51 UTC
Elevated errors on Claude Haiku 4.5
15:40 UTC
Elevated errors on Claude Sonnet 4.6
16:49 UTC
Outage in Usage Reporting
March 04, 2026
14:14 UTC
Elevated errors on Claude Opus 4.6
14:47 UTC
Elevated errors on Claude Haiku 4.5
15:58 UTC
Elevated errors on Claude Haiku 4.5
March 05, 2026
No incidents reported
March 06, 2026
15:34 UTC
Elevated TCP three-way handshake failures on api.anthropic.com
17:16 UTC
Filesystem connector missing from Claude Desktop
March 07, 2026
13:58 UTC
Elevated errors on Claude Haiku 4.5
March 08, 2026
17:57 UTC
Claude Desktop app unresponsive
March 09, 2026
No incidents reported
March 10, 2026
No incidents reported
March 11, 2026
14:44 UTC
Elevated errors on Claude.ai (including login issues for Claude Code)
March 12, 2026
16:34 UTC
Elevated errors on Claude Sonnet 4.6
March 13, 2026
18:37 UTC
Elevated errors on Claude Opus 4.6 and Sonnet 4.6
March 14, 2026
No incidents reported
March 15, 2026
No incidents reported
March 16, 2026
12:01 UTC
Elevated errors on Claude.ai
13:56 UTC
Elevated errors on Claude.ai
14:02 UTC
Elevated errors on Claude Sonnet 4.6
March 17, 2026
08:04 UTC
Elevated errors on Claude Sonnet 4.6
09:46 UTC
Elevated errors on Claude Opus 4.6
14:07 UTC
Elevated errors on Claude Sonnet 4.6
19:47 UTC
Elevated errors on Claude Opus 4.6
March 18, 2026
06:41 UTC
Elevated errors on Claude Opus 4.6
12:30 UTC
Increased errors on Opus 4.6
15:16 UTC
Elevated errors on Claude.ai
00:25 UTC
Elevated errors on Claude.ai
00:28 UTC
Elevated errors across surfaces
March 19, 2026
15:37 UTC
Elevated errors on Claude Sonnet 4.6
15:59 UTC
Elevated errors on Claude Opus 4.6
March 20, 2026
00:07 UTC
Elevated error rates on Claude Opus and Sonnet 4.6
March 21, 2026
No incidents reported
March 22, 2026
11:14 UTC
Delayed response completion on Claude.ai
18:31 UTC
Claude.ai and Claude login down
March 23, 2026
17:03 UTC
Elevated errors on Claude.ai [retroactive]
March 24, 2026
No incidents reported
March 25, 2026
09:35 UTC
Elevated errors on Claude Opus 4.6
13:45 UTC
Elevated Errors on claude.ai
14:33 UTC
Elevated connection reset errors in Cowork
15:03 UTC
Elevated errors on Claude Opus 4.6
March 26, 2026
21:56 UTC
Elevated errors on Claude Opus 4.6 and Sonnet 4.6
22:25 UTC
Elevated errors for MCP calls
March 27, 2026
No incidents reported

Ongoing Incidents

Elevated connection reset errors in Cowork

Anthropic · Updated 1 day ago ·

Incidents in the last 30 days

Elevated errors for MCP calls

Anthropic · Resolved about 5 hours ago ·

Elevated errors on Claude Opus 4.6 and Sonnet 4.6

Anthropic · Resolved about 3 hours ago ·

Elevated errors on Claude Opus 4.6

Anthropic · Resolved 1 day ago ·

Elevated connection reset errors in Cowork

Anthropic · Updated 1 day ago ·

Elevated Errors on claude.ai

Anthropic · Resolved 1 day ago ·

Elevated errors on Claude Opus 4.6

Anthropic · Resolved 1 day ago ·

Elevated errors on Claude.ai [retroactive]

Anthropic · Resolved 3 days ago ·

Claude.ai and Claude login down

Anthropic · Resolved 4 days ago ·

Delayed response completion on Claude.ai

Anthropic · Resolved 5 days ago ·

Elevated error rates on Claude Opus and Sonnet 4.6

Anthropic · Resolved 6 days ago ·

Elevated errors on Claude Opus 4.6

Anthropic · Resolved 7 days ago ·

Elevated errors on Claude Sonnet 4.6

Anthropic · Resolved 8 days ago ·

Elevated errors across surfaces

Anthropic · Resolved 8 days ago ·

Elevated errors on Claude.ai

Anthropic · Resolved 8 days ago ·

Elevated errors on Claude.ai

Anthropic · Resolved 9 days ago ·

Increased errors on Opus 4.6

Anthropic · Resolved 9 days ago ·

Elevated errors on Claude Opus 4.6

Anthropic · Resolved 9 days ago ·

Elevated errors on Claude Opus 4.6

Anthropic · Resolved 9 days ago ·

Elevated errors on Claude Sonnet 4.6

Anthropic · Resolved 10 days ago ·

Elevated errors on Claude Opus 4.6

Anthropic · Resolved 10 days ago ·

Elevated errors on Claude Sonnet 4.6

Anthropic · Resolved 10 days ago ·

Elevated errors on Claude Sonnet 4.6

Anthropic · Resolved 10 days ago ·

Elevated errors on Claude.ai

Anthropic · Resolved 11 days ago ·

Elevated errors on Claude.ai

Anthropic · Resolved 11 days ago ·

Elevated errors on Claude Opus 4.6 and Sonnet 4.6

Anthropic · Resolved 13 days ago ·

Elevated errors on Claude Sonnet 4.6

Anthropic · Resolved 14 days ago ·

Elevated errors on Claude.ai (including login issues for Claude Code)

Anthropic · Resolved 15 days ago ·

Claude Desktop app unresponsive

Anthropic · Resolved 16 days ago ·

Elevated errors on Claude Haiku 4.5

Anthropic · Resolved 19 days ago ·

Filesystem connector missing from Claude Desktop

Anthropic · Resolved 19 days ago ·

Elevated TCP three-way handshake failures on api.anthropic.com

Anthropic · Resolved 20 days ago ·

Elevated errors on Claude Haiku 4.5

Anthropic · Resolved 22 days ago ·

Elevated errors on Claude Haiku 4.5

Anthropic · Resolved 23 days ago ·

Elevated errors on Claude Opus 4.6

Anthropic · Resolved 23 days ago ·

Outage in Usage Reporting

Anthropic · Resolved 23 days ago ·

Elevated errors on Claude Sonnet 4.6

Anthropic · Resolved 23 days ago ·

Elevated errors on Claude Haiku 4.5

Anthropic · Resolved 24 days ago ·

Elevated errors on Claude Opus 4.6

Anthropic · Resolved 24 days ago ·

Errors with login on claude code

Anthropic · Resolved 24 days ago ·

Elevated errors in claude.ai, cowork, platform, claude code

Anthropic · Resolved 24 days ago ·

Elevated errors on Claude Haiku 4.5

Anthropic · Resolved 24 days ago ·

Elevated errors in claude.ai

Anthropic · Resolved 24 days ago ·

Elevated errors on Claude Opus 4.6

Anthropic · Resolved 24 days ago ·

Elevated errors on Claude Opus 4.6

Anthropic · Resolved 25 days ago ·

Elevated errors on claude.ai, console, and claude code

Anthropic · Resolved 25 days ago ·

Elevated errors on Claude Opus 4.6

Anthropic · Resolved 26 days ago ·

Elevated errors on claude.ai

Anthropic · Resolved 27 days ago ·

Sonnet 4.6 elevated error rate

Anthropic · Resolved 27 days ago ·

Claude Desktop login issues

Anthropic · Resolved 27 days ago ·

Elevated errors on claude.ai

Anthropic · Resolved 27 days ago ·

Elevated errors on claude.ai

Anthropic · Resolved 28 days ago ·

Claude Code showing "JSON Parse error: Unexpected EOF" and writing excessive files on Windows

Anthropic · Resolved 28 days ago ·

Outage in usage reporting

Anthropic · Resolved 28 days ago ·

Claude for Government not loading

Anthropic · Resolved 29 days ago ·

Elevated errors on Claude Opus 4.6

Anthropic · Resolved 29 days ago ·

Elevated error rates across multiple models

Anthropic · Resolved 29 days ago ·

Claude Desktop failing to open for some users

Anthropic · Resolved 29 days ago ·

Elevated errors on Claude Sonnet 4.6 and Opus 4.6

Anthropic · Resolved 29 days ago ·