Elevated errors for ChatGPT Go (5.3 Thinking)

Update timeline

1. identified Apr 29, 2026, 09:01 PM UTC

   Status: Identified We have identified that ChatGPT Go users are experiencing elevated errors. We are working on implementing a mitigation. Affected components Voice mode (Degraded performance) Image Generation (Degraded performance) GPTs (Degraded performance) Agent (Degraded performance) Deep Research (Degraded performance) Connectors/Apps (Degraded performance) File uploads (Degraded performance) Search (Degraded performance) Conversations (Degraded performance) Compliance API (Degraded performance) ChatGPT Atlas (Degraded performance) Login (Degraded performance)

2. identified Apr 29, 2026, 09:25 PM UTC

   Status: Identified We have identified elevated error rates impacting ChatGPT Go (5.3 Thinking). Other ChatGPT Go models are not affected at this time. The team is actively working on a mitigation. Affected components Agent (Degraded performance) Deep Research (Degraded performance) Voice mode (Degraded performance) Search (Degraded performance) Connectors/Apps (Degraded performance) ChatGPT Atlas (Degraded performance) Login (Degraded performance) File uploads (Degraded performance) Conversations (Degraded performance) Compliance API (Degraded performance) Image Generation (Degraded performance) GPTs (Degraded performance)

3. monitoring Apr 29, 2026, 09:59 PM UTC

   Status: Monitoring We have applied the mitigation and are monitoring the recovery. Affected components Login (Degraded performance) File uploads (Degraded performance) Voice mode (Degraded performance) Conversations (Degraded performance) Compliance API (Degraded performance) Deep Research (Degraded performance) ChatGPT Atlas (Degraded performance) Search (Degraded performance) Image Generation (Degraded performance) GPTs (Degraded performance) Agent (Degraded performance) Connectors/Apps (Degraded performance)

4. resolved Apr 29, 2026, 10:24 PM UTC

   Status: Resolved All impacted services have now fully recovered. Affected components Search (Operational) Conversations (Operational) Compliance API (Operational) Image Generation (Operational) GPTs (Operational) Deep Research (Operational) Login (Operational) Agent (Operational) Connectors/Apps (Operational) ChatGPT Atlas (Operational) File uploads (Operational) Voice mode (Operational)