Is the OpenAI API down? 6.1 Sol degraded performance on October 27 resolved after 78 minutes
OpenAI's status page has resolved the October 27, 2026 incident titled 6.1 Sol Degraded Model Performance. It hit the Chat Completions, Responses and Batch APIs from 15:02 UTC until recovery at 16:20 UTC, about 78 minutes. Codex and ChatGPT are not listed as affected.
SessionWatcher editorial · Published · Updated · Source announcement: 2026-10-27
What happened and when
On October 27, 2026, OpenAI's status page reported degraded performance in an incident titled 6.1 Sol Degraded Model Performance. It lists three API components as affected: Chat Completions, Responses and Batch.
The first update, at 15:02 UTC, said OpenAI was looking into a possible issue with the listed services. At 15:40 UTC OpenAI said it had applied a mitigation and was watching to confirm recovery. At 16:20 UTC the incident was marked resolved, with all affected services working normally again. From the first update to resolution was about 78 minutes.
Who was affected
The status page lists only API components for this incident. It does not list Codex, ChatGPT or any other OpenAI product as affected.
OpenAI notes that its availability figures are averaged across all tiers, models and error types. Your own availability may have differed depending on your subscription tier, the model you used and the API features you relied on.
The status page gives no cause for the incident. It also says nothing about credits, refunds or changes to usage or rate limits.
AI assisted reporting, checked against the linked official sources. Source pages checked 2026-10-27. Editorial process and corrections.