Fireworks outage on November 5, 2026: what happened and how long it lasted
On November 5, 2026, Fireworks AI had degraded performance between 00:03 and 01:28 UTC, about 1.4 h in total. ModelBank's probes caught it 11 minutes before the official post. The vendor posted 3 incidents.
Timeline（UTC）
- OfficialOfficial incident posted: Service Degradation for Muse Spark Open US
- MeasuredModelBank probes detect degraded performance
- MeasuredProbes back to normal (lasted 46 min)
- MeasuredModelBank probes detect degraded performance
- OfficialOfficial incident posted: Service Degradation for Deepseek V4.1 Flash US
- OfficialOfficially resolved: Service Degradation for Deepseek V4.1 Flash US
- OfficialOfficially resolved: Service Degradation for Muse Spark Open US
- MeasuredProbes back to normal (lasted 16 min)
Hourly measurements (UTC)
⏱ Detected 11 min before the official post
Official updates（UTC）
- investigatingWe are seeing impacted performance for Muse Spark Open US. We are actively investigating.
- resolvedWe've resolved the incident and the affected service is now operational.
- investigatingWe are seeing impacted performance for Deepseek V4.1 Flash 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: 2026-11-04 · 2026-11-03 · 2026-10-30 · 2026-10-28 · 2026-10-27 · 2026-10-26
Alternatives while Fireworks is down
Open one to see whether it is up right now.
FAQ
Was Fireworks down on November 5, 2026?
On November 5, 2026, Fireworks AI had degraded performance between 00:03 and 01:28 UTC, about 1.4 h in total. ModelBank's probes caught it 11 minutes before the official post. The vendor posted 3 incidents.
Why was Fireworks down?
The vendor's own description: Service Degradation for Muse Spark Open US; Service Degradation for Deepseek V4.1 Flash US. 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%; 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.