Fireworks outage on November 11, 2026: what happened and how long it lasted
On November 11, 2026, Fireworks AI had degraded performance between 03:45 and 00:40 UTC, about 20.9 h in total. ModelBank's probes caught it 7 minutes before the official post. The vendor posted 4 incidents.
Timeline（UTC）
- OfficialOfficial incident posted: Service Degradation for DeepSeek V4.1 Flash 1017
- MeasuredModelBank probes detect degraded performance
- OfficialOfficially resolved: Service Degradation for DeepSeek V4.1 Flash 1017
- MeasuredProbes back to normal (lasted 1.4 h)
- OfficialOfficial incident posted: Service Degradation for GLM 5.3
- MeasuredModelBank probes detect degraded performance
- OfficialOfficially resolved: Service Degradation for GLM 5.3
- MeasuredProbes back to normal (lasted 24 min)
- OfficialOfficial incident posted: Service Degradation for Kimi K3.1 Pro
- MeasuredModelBank probes detect degraded performance
- OfficialOfficially resolved: Service Degradation for Kimi K3.1 Pro
- MeasuredProbes back to normal (lasted 3.1 h)
Hourly measurements (UTC)
⏱ Detected 7 min before the official post
Official updates（UTC）
- investigatingWe are seeing impacted performance for DeepSeek V4.1 Flash 1017. We are actively investigating.
- resolvedWe've resolved the incident and the affected service is now operational.
- investigatingWe are seeing impacted performance for GLM 5.3. We are actively investigating.
- investigatingWe are seeing impacted performance for Kimi K3.1 Pro. We are actively investigating.
- resolvedSome customers may have experienced some elevated latency for Kimi K3.1 Pro.
Fireworks reliability lately
Measured availability over the last 30 days: 100.00%; 27 days with an outage or degradation in the last 90 days.
Previous outages: 2026-11-10 · 2026-11-07 · 2026-11-05 · 2026-11-04 · 2026-11-03 · 2026-10-30
Alternatives while Fireworks is down
Open one to see whether it is up right now.
FAQ
Was Fireworks down on November 11, 2026?
On November 11, 2026, Fireworks AI had degraded performance between 03:45 and 00:40 UTC, about 20.9 h in total. ModelBank's probes caught it 7 minutes before the official post. The vendor posted 4 incidents.
Why was Fireworks down?
The vendor's own description: Service Degradation for DeepSeek V4.1 Flash 1017; Service Degradation for GLM 5.3; Service Degradation for Kimi K3.1 Pro. See the official status page for the root cause.
Is Fireworks working now?
It is working normally now. Live status: https://modelbank.ai/status/fireworks (tested every 2 minutes).
What can I use instead when Fireworks is down?
Switch temporarily to OpenRouter API, GroqCloud, Together, SiliconCloud, Cerebras Inference, SambaCloud — check on ModelBank that they are up first.
Does Fireworks go down often?
Measured availability over the last 30 days: 100.00%; 27 days with an outage or degradation in the last 90 days.
How do I hear about the next outage first?
Subscribe for free on ModelBank: email, browser push, or Slack / Discord / Feishu.
Sources: ModelBank's probes every 2 minutes and Fireworks's official status page. Please cite this page when quoting.