Fireworks outage on November 3, 2026: what happened and how long it lasted
On November 3, 2026, Fireworks AI had degraded performance between 00:20 and 04:52 UTC, about 1.2 d in total. ModelBank's probes caught it 120 minutes before the official post. The vendor posted 10 incidents.
Timeline（UTC）
- OfficialOfficial incident posted: Service Degradation for GLM 5.3 Fast
- MeasuredModelBank probes detect degraded performance
- MeasuredProbes back to normal (lasted 4 min)
- OfficialOfficial incident posted: Service Degradation for GLM 5.3
- MeasuredModelBank probes detect degraded performance
- OfficialOfficial incident posted: Service Degradation for Kimi K3
- OfficialOfficially resolved: Service Degradation for Kimi K3
- OfficialOfficial incident posted: Service Degradation for Kimi K3 US
- OfficialOfficially resolved: Service Degradation for GLM 5.3 Fast
- OfficialOfficially resolved: Service Degradation for Kimi K3 US
- MeasuredProbes back to normal (lasted 16.2 h)
- OfficialOfficially resolved: Service Degradation for GLM 5.3
Hourly measurements (UTC)
⏱ Detected 120 min before the official post
Also affected that day: DeepSeek API
Official updates（UTC）
- investigatingWe are seeing impacted performance for GLM 5.3 Fast. 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. We are actively investigating.
- investigatingWe are seeing impacted performance for Kimi K3 US. We are actively investigating.
Fireworks reliability lately
Measured availability over the last 30 days: 100.00%; 23 days with an outage or degradation in the last 90 days.
Previous outages: 2026-10-30 · 2026-10-28 · 2026-10-27 · 2026-10-26 · 2026-10-23 · 2026-10-22
Alternatives while Fireworks is down
Open one to see whether it is up right now.
FAQ
Was Fireworks down on November 3, 2026?
On November 3, 2026, Fireworks AI had degraded performance between 00:20 and 04:52 UTC, about 1.2 d in total. ModelBank's probes caught it 120 minutes before the official post. The vendor posted 10 incidents.
Why was Fireworks down?
The vendor's own description: Service Degradation for GLM 5.3 Fast; Service Degradation for GLM 5.3; Service Degradation for Kimi K3; Service Degradation for Kimi K3 US. See the official status page for the root cause.
Is Fireworks working now?
It is still degraded right 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%; 23 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.