LLM API Providers · reliability comparison
OpenAI API vs Together AI: which is more reliable? (2026)
Together AI is more reliable than OpenAI API, scoring 100.0 vs 49.0 out of 100. Over the last 90 days OpenAI API reported 35 incidents and Together AI reported 0, with effective uptime of 98.73% and 100% respectively.
Data updated Nov 2, 2026 · How we score
| Metric | OpenAI API | Together AI |
|---|---|---|
| Reliability score | 49.0 | 100.0 |
| Rank (LLM API providers) | #9 | — |
| Uptime (90 days) | 98.73% | 100% |
| Incidents (90 days) | 35 | 0 |
| Partial / major outages | 1 | 0 |
| Avg time to resolve | 6h 8m | — |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where OpenAI API and Together AI differ
- Together AI reported no incidents in the last 90 days, while OpenAI API reported 35.
- OpenAI API had 1 partial or major outage, compared with 0 for Together AI.
90-day uptime
OpenAI API
Together AI
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent OpenAI API incidents
- Degraded performanceOct 30, 2026 · resolved in 4h 1m
Elevated errors for GPT Image 2 API image edits
Affected: Images
- Degraded performanceOct 27, 2026 · resolved in 1h 18m
6.1 Sol Degraded Model Performance
Affected: Batch, Chat Completions, Responses
- InformationalOct 27, 2026 · resolved in 29m
- InformationalOct 23, 2026 · resolved in 33m
- InformationalOct 23, 2026 · resolved in 2h 17m
- Degraded performanceOct 22, 2026 · resolved in 6h 32m
Elevated ChatGPT conversation and Responses API errors
Affected: Conversations, Responses
Recent Together AI incidents
No incidents reported by Together AI in the last 90 days.
Other LLM API providers to consider
- Perplexity API · #1 · 99.94% uptime
- Cohere · #2 · 99.94% uptime
- Groq · #3 · 99.94% uptime
- Cerebras Inference · #4 · 99.88% uptime