LLM API Providers · reliability comparison
Cerebras Inference vs OpenRouter: which is more reliable? (2026)
Cerebras Inference is more reliable than OpenRouter, scoring 89.3 vs 62.9 out of 100. Over the last 90 days Cerebras Inference reported 2 incidents and OpenRouter reported 10, with effective uptime of 99.88% and 99.44% respectively. Cerebras Inference resolves incidents faster on average (2h 29m).
Data updated Nov 1, 2026 · How we score
| Metric | Cerebras Inference | OpenRouter |
|---|---|---|
| Reliability score | 89.3 | 62.9 |
| Rank (LLM API providers) | #4 | #8 |
| Uptime (90 days) | 99.88% | 99.44% |
| Incidents (90 days) | 2 | 10 |
| Partial / major outages | 1 | 2 |
| Avg time to resolve | 2h 29m | 6h 48m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Cerebras Inference and OpenRouter differ
- OpenRouter reported 5× as many incidents as Cerebras Inference over the last 90 days (10 vs 2).
- OpenRouter had 2 partial or major outages, compared with 1 for Cerebras Inference.
- Cerebras Inference fixes problems faster: 2h 29m on average, against 6h 48m for OpenRouter (2.7× quicker).
- Cerebras Inference's longest outage on record lasted 9h 8m (Feb 4, 2026); OpenRouter's lasted 2h 10m (Oct 25, 2026).
90-day uptime
Cerebras Inference
OpenRouter
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Cerebras Inference incidents
- Partial outageSep 25, 2026 · resolved in 4h 58m
Partial Service Disruptionofficial update ↗
Affected: GPT-OSS-120B, Qwen-3.8-27b
- Degraded performanceAug 27, 2026 · resolved in <1m
Affected: GPT-OSS-120B
Recent OpenRouter incidents
- MaintenanceOct 26, 2026 · resolved in 6d 1h
Affected: Web & Application Services
- Partial outageOct 26, 2026 · resolved in 12m
Affected: Chat (/api/v1/chat/completions)
- Major outageOct 25, 2026 · resolved in 2h 10m
Video webhooks are not being calledofficial update ↗
Affected: Video (/api/v1/videos)
- Degraded performanceOct 15, 2026 · resolved in 1d 13h
Activity logs, usage metrics reporting are experiencing delays
Affected: Web & Application Services
- Degraded performanceOct 14, 2026 · resolved in 42m
Increased errors and latency on API requests in the US Pacific Northwest
Affected: Chat (/api/v1/chat/completions)
- Degraded performanceOct 8, 2026 · resolved in 6h 38m
Usage Reporting Delays in Web App
Affected: Web & Application Services
Other LLM API providers to consider
- Perplexity API · #1 · 99.94% uptime
- Cohere · #2 · 99.94% uptime
- Groq · #3 · 99.94% uptime
- xAI API · #5 · 99.76% uptime