Rewindex

RewindexOutage eventsSep 29, 2025

Gemini outage, Sep 29, 2025

9 vendors posted 8 incidents between 18:00 and 20:00 UTC, against about 6 incidents from 5 vendors in the same hours on an ordinary week. 4 vendors named Gemini in 3 incidents (3 of them blamed it). Vendors reported a Gemini outage; Gemini’s own incident for this date is not in the archive.

Observed, not verified. A line means a vendor’s incident named another vendor, or started in the same window. It is not a proven cause.

Times are UTC; lags are from when the first vendor named Gemini.

    5. first vendor named Gemini 18:31
Named GeminiNamed another vendorDid not name anyoneEach column is 30 minutes

How it spread

Vendors that named Gemini, grouped by when they posted, and vendors that blamed one of the vendors Gemini took down. Solid lines: the vendor named the other. Dashed: same window, not named.

Swipe sideways to see the whole diagram.

Geminiown incident not archivedWithin an hour4 vendors, 3 blamed GeminiSentry, GitHub, GitHub Copilot, Optimizely
Geminiown incident not archivedWithin an hour4 vendors, 3 blamed GeminiSentry, GitHub, GitHub Copilot,Optimizely
Rendered on the server with pele from the Mermaid source below. Each box lists the first few vendors; every vendor is listed further down.
Mermaid source
flowchart LR
  root["Gemini<br/>own incident not archived"]:::inferred
  h1["Within an hour<br/>4 vendors, 3 blamed Gemini<br/>Sentry, GitHub, GitHub Copilot, Optimizely"]:::blames
  root --> h1

Vendors that named Gemini

In their own words. “Blames” means a causal phrase sits next to the name (“due to”, “upstream provider”…).

Within an hour

3 vendors

Same window, did not name anyone

5 incidents started during the event without naming Gemini or another vendor. Some are part of it, some are a normal day’s background (about 6 in these hours).

Show all 5

Detected automatically from 8 status pages opening incidents in the peak hour (normally at most 6). Mentions are matched by name in each incident’s title and updates, then classified as cause, location or integration; quoted text is the vendor’s. Vendors that share one status page are shown once.