# AI API outages on September 15, 2026 (UTC)

Measured every 5 minutes from 4 regions. An outage is attributed to a provider only when it failed from 2+ regions at once and no other provider failed in the same minutes.

## Was the OpenAI API down on September 15, 2026?

Not by our measurements. No failure of OpenAI was seen from two or more regions at once. OpenAI's own status page opened 3 entries that day (self-reported, listed below).
- self-reported 07:12 UTC: Elevated errors from GPT-5.6 and GPT-5.6 Instant on paid plans (minor)
- self-reported 16:52 UTC: Ads Manager login issues (minor)
- self-reported 23:50 UTC: Elevated errors with gpt-image-2.5-flare (major)

Live status now: https://llmlatency.dev/provider/openai

## Was the Claude API (Anthropic) down on September 15, 2026?

Not by our measurements. No failure of Anthropic was seen from two or more regions at once. Anthropic's own status page opened 1 entry that day (self-reported, listed below).
- self-reported 09:48 UTC: Intermittent error spikes for Claude Mythos 5.1 and Claude Fable 5.1 (major)

Live status now: https://llmlatency.dev/provider/anthropic

## Was the Gemini API (Google) down on September 15, 2026?

Not attributably. 6 multi-region failure(s) of Google coincided with failures of other providers, so the cause sat above Google and is not blamed on it.

| UTC | What failed | Regions | Duration (lower bound) | Failed probes | Verdict |
| --- | --- | --- | --- | --- | --- |
| 13:00-13:15 | requests to gemini-flash-lite-latest | eu-hetzner sa-east | >=15 min | 2 | unattributed |
| 13:55-13:55 | requests to gemini-flash-lite-latest | sa-east us-central | <5 min | 2 | unattributed |
| 14:55-15:00 | requests to gemini-flash-lite-latest | eu-hetzner sa-east | >=5 min | 2 | unattributed |
| 15:15-15:15 | requests to gemini-flash-lite-latest | ap-tokyo sa-east | <5 min | 2 | unattributed |
| 17:55-17:55 | requests to gemini-flash-lite-latest | ap-tokyo us-central | <5 min | 2 | unattributed |
| 19:55-19:55 | requests to gemini-flash-lite-latest | ap-tokyo sa-east us-central | <5 min | 3 | unattributed |

Live status now: https://llmlatency.dev/provider/google

## Was the SambaNova API down on September 15, 2026?

Not attributably. 1 multi-region failure(s) of SambaNova coincided with failures of other providers, so the cause sat above SambaNova and is not blamed on it. SambaNova's status page lists nothing that day.

| UTC | What failed | Regions | Duration (lower bound) | Failed probes | Verdict |
| --- | --- | --- | --- | --- | --- |
| 07:00-00:15 | host probes | eu-hetzner sa-east us-central | >=1035 min | 225 | unattributed |

Live status now: https://llmlatency.dev/provider/sambanova

## Was the baseten API down on September 15, 2026?

Not by our measurements. No failure of baseten was seen from two or more regions at once. baseten's own status page opened 1 entry that day (self-reported, listed below).
- self-reported 01:22 UTC: Elevated errors for models in a single India-based cluster (minor)

Live status now: https://llmlatency.dev/provider/baseten

## Was the reka API down on September 15, 2026?

Not attributably. 2 multi-region failure(s) of reka coincided with failures of other providers, so the cause sat above reka and is not blamed on it.

| UTC | What failed | Regions | Duration (lower bound) | Failed probes | Verdict |
| --- | --- | --- | --- | --- | --- |
| 08:15-08:15 | host probes | ap-tokyo eu-hetzner sa-east | <5 min | 3 | unattributed |
| 11:10-11:10 | host probes | sa-east us-central | <5 min | 2 | unattributed |

Live status now: https://llmlatency.dev/provider/reka

## Was the yi-01ai API down on September 15, 2026?

Not attributably. 1 multi-region failure(s) of yi-01ai coincided with failures of other providers, so the cause sat above yi-01ai and is not blamed on it.

| UTC | What failed | Regions | Duration (lower bound) | Failed probes | Verdict |
| --- | --- | --- | --- | --- | --- |
| 14:40-14:45 | host probes | ap-tokyo sa-east | >=5 min | 2 | unattributed |

Live status now: https://llmlatency.dev/provider/yi-01ai

Source: https://llmlatency.dev/incidents/2026-09-15 · CC BY 4.0