# Grammarly: Supehuman Go and AI Chat experience temporary service interruption

- Impact (vendor’s label): major
- Status: resolved
- Started: 2026-01-21 00:40 UTC · Resolved: 2026-01-21 01:48 UTC · Duration: 1.1 h
- Updates: 2 · Affected components: Grammarly Editor, Generative AI assistance, Grammarly's Browser Extension
- [Vendor status page: https://stspg.io/tvqnj2lw81cn](https://stspg.io/tvqnj2lw81cn)
- [Company: Grammarly](https://rewindex.com/company/grammarly.md)

## Summary

Grammarly reported a major service interruption affecting Supehuman Go and AI Chat, with Generative AI assistance, Grammarly Editor, and Grammarly's Browser Extension listed as affected components. It started at 2026-01-21 00:40 UTC and was resolved at 2026-01-21 01:48 UTC, lasting 1 h 8 min; no cause or specific fix was stated. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2026-01-21 00:40 UTC: We are currently investigating this issue.
- **resolved** 2026-01-21 01:48 UTC: This incident has been resolved.

## Rewindex changes for this incident

- 2026-01-21 00:40 UTC: [Major incident: Supehuman Go and AI Chat experience temporary service interruption](https://rewindex.com/change/i7917f387af6f35.md)


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Canonical: https://rewindex.com/company/grammarly/incidents/k8wbyk3vxxcc · Markdown: https://rewindex.com/company/grammarly/incidents/k8wbyk3vxxcc.md · JSON: https://rewindex.com/api/v1/companies/grammarly/incidents/k8wbyk3vxxcc · Generated 2026-10-18T11:32:46.326Z