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batchwatch › Outage archive › OpenAI gpt-5-nano (sync)

OpenAI gpt-5-nano batch outage, 2026-09-10

A batch API outage on OpenAI gpt-5-nano, measured end to end — 28 min from start to recovery.

What we measured
28 min
Recovered after 28 min.
ProviderOpenAI
Started2026-09-10
Duration28 min

The evidence

Caught by batchwatch’s own probes: a run of batch jobs that stopped completing on a model we watch directly.

Recovered after 28 min.

The record

ProviderOpenAI
Modelgpt-5-nano
Started2026-09-10T23:46:04.000Z
Ended2026-09-11T00:14:25.000Z
Duration28 min
Measurements behind it2

This is a measurement of queue time — how long batch jobs actually waited — not a statement from OpenAI. batchwatch reports an outage only when a majority of established contributors, or our own probes, see the same slowdown at once. The full history is available as JSON and as an Atom feed.