AI Service Outages Sep–Oct 2026: OpenAI and Claude Incident Stats
110 incidents from seven official status pages, 2026-09-17 to 10-17, broken down by vendor, severity and duration, with retry, fallback and failover tactics.
Model API status / Anthropic
Claude API Normal
The official API endpoint for Claude models. Claude Code connects here by default too.
Probed from Cloudflare edge DFW · updated 2 min ago (10/17 19:45)
Current response66 ms
24h median latency73 ms
24h P9595 ms
24h reachability100%
30-day reachability100%
Past 24 hours Hourly median latency. Red marks hours with failures
24 hours ago12 hours agoNow
Past 30 days One cell per day. Hover for details
30 days agoToday
Measured in mainland China
By carrier
| API | All | China Unicom | Mobile |
|---|---|---|---|
| Claude API11 samples | 329 ms成功 100% | 342 ms成功 100% | Insufficient samples |
Values are the median round-trip time over a reused connection. “Success” is the share of requests that received a response within 6 seconds.
Official incidents
Anthropic status page, last 30 days
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Info
Issue with spend limits Anthropic · 10/08 05:23 · Lasted 1 min
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Critical
Elevated errors on platform.claude.com Anthropic · 10/07 21:25 · Lasted 6 days
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Critical
Elevated errors loading usage data on platform.claude.com Anthropic · 10/07 09:20 · Lasted 1.2 hr
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Critical
Elevated errors for Claude Opus 5.5 Anthropic · 10/06 20:24 · Lasted 19 min
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Critical
Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1 Anthropic · 10/05 21:05 · Lasted 16 min
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Minor
Delayed credits on the Claude Platform Anthropic · 10/02 00:20 · Lasted 6.3 hr
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Critical
Elevated errors on claude.ai, Claude Code, Claude Cowork and the Claude API Anthropic · 09/29 22:21 · Lasted 2.1 hr
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Critical
Elevated errors for multiple models Anthropic · 09/22 08:57 · Lasted 1.6 hr
FAQ
About Claude API
Is the Claude API working right now?
As of 10/17 19:45, api.anthropic.com is reachable from Cloudflare edge nodes with a response time of 66 ms. Over the past 24 hours, reachability was 100% and median latency was 73 ms. The official status page currently shows: All Systems Operational.
What is the latency to the Claude API from mainland China?
过去 7 天中国大陆访客共测得 11 个样本，请求成功率 100%，连接复用后往返中位数 329 ms，首次连接中位数 840 ms。
How does cdnping monitor the Claude API?
Every 5 minutes, we send a request without an API key from Cloudflare edge nodes to https://api.anthropic.com/v1/models. Any status code below 5xx, such as 401, counts as reachable. We record the time from sending the request to receiving the response headers. See the methodology page for details.
Related articles
Further reading
Claude Code Connection Timeout and Errors: 4-Layer Checklist
Fix Claude Code connection timeouts and errors layer by layer: service status, local network, exit IP and local config. Includes a curl timing command, an error-code table and cdnping tools.
Custom API Endpoint for Claude Code, Codex and OpenCode
Where Claude Code, Codex and OpenCode read the endpoint URL and API key, with copy-paste env vars and config files, a 401/404/timeout fix table and network self-checks.
How to Read OpenAI and Claude Status Pages: Levels & Components
What do none, minor, major and critical mean on OpenAI and Claude status pages? Components, incident stages, lag, and how to cross-check with API probes.