Anthropic outage — June 3, 2026
Elevated errors on Haiku 4.5
Anthropic’s Claude.ai was disrupted for 48d 1h on June 3, 2026.
Key facts
| Detected | June 3, 2026 · 07:13 UTC |
| Confirmed | 07:13 UTC |
| Resolved | 09:04 UTC |
| Duration | 48d 1h |
| Service | Claude.ai |
| Official record | https://stspg.io/ng8pvt69fcnf |
Timeline
- 07:13Z
Detected · Signal
1 crowd signal for Claude.ai on ANTHROPIC crossed the signal threshold. - 07:13Z
Confirmed · Official
An official ANTHROPIC status-page notice corroborated the event the same cycle. - 09:04Z
Resolved
Signal volume fell back below the threshold; the event was closed.
What people reported
“Claude AI is reportedly down for some users currently. Are you one of them? #ClaudeDown #Anthropic #ClaudeAiDown https://community.designtaxi.com/topic/33532-is”@statusisdown.bsky.social · 02:14 UTC
How this was detected
1 independent evidence class for claude-ai on ANTHROPIC. 1 crowd report across bluesky (single platform — not corroborating), z=-0.4σ vs the cell baseline. Official notice confirms it.