Cohere outage, 18 October 2025

Chat models return 503 service error when /v1/chat requests omit message and chat_history while providing tool_results

Started
Resolved
18 Oct 2025, 22:23 UTC (after 37 min)
Impact
Not stated

Last update from Cohere

🎉 The issue has been resolved and we are back to normal.

18 Oct 2025, 22:23 UTC

Is Cohere down now?

This page is the record of one past incident. For the live status, see Is Cohere down right now? - it reads the official status page every 2 minutes.

Other Cohere incidents

  1. Multiple Endpoint Disruptions

  2. Documentation Content Loading Issues

  3. Dashboard Login Service Disruption

  4. /audio/transcriptions endpoint returns error for audio files with unexpected sampling rate

  5. Docs Platform Degraded Performance

  6. Multiple Model Disruptions

  7. Scheduled DB Maintenance: Model authentication and API access momentarily affected

  8. Some chat models are unresponsive or timing out

All recorded Cohere incidents