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Grammarly change history

30Major incident
When (UTC)ChangeKind
Major incident: Chat is not working at go.superhuman.com
Chat at go.superhuman.com failed to load for some users, affecting Superhuman Go & Agents in a major-impact outage. It started at 2026-09-22 13:46 UTC and was resolved at 2026-09-22 14:50 UTC, lasting 1 h 3 min. A fix was implemented by 09-22 14:44 UTC.
Major incident
Major incident: Users May Experience Login Issues Across Some Grammarly and Superhuman Products
Grammarly reported a major outage involving login issues across some Grammarly and Superhuman products and preventing some users from accessing Grammarly Editor documents. It lasted 2 h 33 min, from 2026-08-14 15:24 UTC to 2026-08-14 17:57 UTC; a fix was implemented and the incident was resolved.
Major incident
Major incident: Go may work slowly or intermittently
Grammarly reported a major Go degradation causing delays loading, editing, or saving documents at app.grammarly.com or using Go & agents. It started at 2026-07-29 17:47 UTC and lasted 7 h 22 min, resolving at 2026-07-30 01:09 UTC; a fix was implemented at 07-29 18:04 UTC.
Major incident
Critical incident: Some Grammarly and Superhuman users may be unable to log in
Some Grammarly and Superhuman users could not log in or reset passwords during a vendor-rated critical incident starting 2026-05-15 16:33 UTC. A fix was implemented at 16:43 UTC, and the incident was resolved at 16:45 UTC after 12 min.
Major incident
Critical incident: The Grammarly Editor is not working as expected
A critical Grammarly Editor interruption made the editor slow or unresponsive and caused connection trouble for some users. It started at 2026-03-27 18:14 UTC and was resolved at 2026-03-27 18:31 UTC, lasting 17 min; Grammarly reported implementing a fix at 03-27 18:26 UTC but did not state a cause.
Major incident
Critical incident: Increased latency across Grammarly product offerings
Grammarly reported a critical degradation causing intermittent or slow features, login trouble, and “Service unavailable” errors from 2026-03-09 16:52 UTC to 2026-03-09 20:07 UTC, lasting 3 h 14 min. A fix implemented at 19:15 UTC restored login and use of Grammarly and Superhuman; the incident was resolved.
Major incident
Critical incident: The AI-powered Docs is not working as expected
Grammarly reported a critical interruption in Grammarly Editor that prevented access to AI-powered Docs and made some documents inaccessible. It started at 2026-02-06 20:09 UTC and was resolved at 2026-02-06 20:52 UTC, lasting 42 min. A fix was implemented at 20:36 UTC; no cause was stated.
Major incident
Major incident: Some agents may be unavailable or work intermittently
Grammarly reported a major outage affecting Superhuman Go & Agents: Gmail, Outlook, Salesforce, and Jira agents could be unavailable or intermittent in Grammarly, Superhuman, and Coda. It started at 2026-02-06 15:02 UTC and was resolved at 2026-02-06 15:49 UTC, lasting 46 min; the vendor said functionality should be restored.
Major incident
Major incident: Some Grammarly users may be unable to log in
Some Grammarly users could not log in during a major outage starting 2026-01-30 20:12 UTC and resolved at 2026-01-30 22:25 UTC, lasting 2 h 12 min. Grammarly reported implementing a fix and monitoring the results at 01-30 21:55 UTC; no cause was stated.
Major incident
Major incident: We're experiencing a service interruption
Grammarly reported a major service interruption affecting Login, Writing Suggestions and other products, starting 2026-01-22 21:50 UTC and resolved 2026-01-24 01:10 UTC (27 h 19 min). A fix was implemented at 2026-01-22 23:03 UTC, but some users still could not access documents at app.grammarly.com during monitoring.
Major incident
Major incident: Supehuman Go and AI Chat experience temporary service interruption
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.
Major incident
Critical incident: Users encounter an error when creating or opening a document in Docs at https://app.grammarly.com/
Grammarly reported a critical Grammarly Editor outage: users encountered errors creating or opening documents in Docs at https://app.grammarly.com/. It started at 2026-01-20 21:57 UTC and was resolved at 2026-01-20 22:08 UTC, lasting 11 min; Grammarly said it identified the issue and was implementing a fix.
Major incident
Major incident: Issues logging in at https://superhuman.com and https://app.grammarly.com
Grammarly reported a major login outage affecting https://superhuman.com and https://app.grammarly.com, starting 2025-11-06 22:29 UTC and lasting 4 h 18 min. A fix was implemented, and the incident was resolved at 2025-11-07 02:47 UTC.
Major incident
Major incident: AI Grader and Citation Finder agents are not working as expected.
Grammarly reported a major disruption affecting AI Grader and Citation Finder agents, listing Generative AI assistance and Grammarly Editor as affected components. It started at 2025-10-23 19:17 UTC and was resolved at 2025-10-23 22:37 UTC, lasting 3 h 19 min. Grammarly said it identified the root cause but did not disclose it or the fix.
Major incident
Critical incident: Issues with text checking in the Grammarly Editor
Grammarly reported a critical incident preventing text checking for some Grammarly Editor users from 2025-10-17 14:28 UTC to 2025-10-17 15:02 UTC, lasting 34 min. A fix was implemented at 14:54 UTC, and the incident was resolved.
Major incident
Critical incident: The Grammarly Editor is not working as expected
Grammarly reported a critical interruption affecting Grammarly Editor, Snippets and Knowledge Share, with possible slowness, unresponsiveness, and difficulty connecting or using agents. It started on 2025-08-25 18:10 UTC and was resolved on 2025-08-25 18:44 UTC; the recorded duration was 33 min. Grammarly said it identified the root cause but did not disclose the cause or fix.
Major incident
Major incident: The Grammarly Editor is not working as expected
A major interruption made Grammarly Editor slow or unresponsive and could affect connections and Grammarly Authorship; affected components included Snippets and Knowledge Share. It started at 2025-08-12 05:47 UTC and resolved at 2025-08-12 07:26 UTC, lasting 1 h 38 min. Grammarly identified the root cause without detailing it and implemented a fix.
Major incident
Critical incident: Users may not be able to access documents in the Grammarly Editor.
Grammarly reported a critical Grammarly Editor outage preventing users from accessing or creating documents, starting 2025-08-11 23:40 UTC and resolved 2025-08-12 00:08 UTC (28 min). A fix was implemented at 08-11 23:57 UTC; no cause was stated.
Major incident
Major incident: Some Grammarly users might experience issues accessing Grammarly in Google Docs when using Firefox and Safari browsers
Grammarly reported a major outage affecting some users accessing Grammarly in Google Docs through Firefox and Safari, starting 2025-08-03 17:47 UTC and resolved 2025-08-05 08:27 UTC (38 h 39 min). A new Safari version containing a fix was published; Grammarly initially advised using another browser.
Major incident
Critical incident: Issues with text checking
Grammarly reported a critical outage affecting Writing Suggestions that prevented users from checking text. It started at 2025-07-10 13:45 UTC and was resolved at 2025-07-10 14:11 UTC, lasting 26 min; no cause or specific fix was stated.
Major incident
Critical incident: Service interruption affecting Grammarly
Grammarly reported a critical outage starting 2025-05-05 16:49 UTC, lasting 2 h 7 min and resolved at 2025-05-05 18:56 UTC. Some users, including Grammarly Enterprise customers, could not see suggestions or saw “Something went wrong,” and payment processing was unavailable. Grammarly identified the payment issue and reported implementing a fix before resolution.
Major incident
Major incident: Some Grammarly users may be unable to log in
Some users were unable to log in to Grammarly for Mac during a major-impact outage starting 2025-04-04 10:02 UTC. Grammarly implemented a fix and resolved the incident at 2025-04-04 10:41 UTC; it lasted 39 min.
Major incident
Major incident: Grammarly is experiencing a service interruption
Grammarly reported a major service interruption affecting suggestions for some users, with components including Writing Suggestions, Generative AI assistance, and Plagiarism Detection listed as affected. It started at 2025-03-18 18:01 UTC and was resolved at 2025-03-18 21:14 UTC, lasting 3 h 12 min. Grammarly reported implementing a fix but did not disclose the root cause.
Major incident
Critical incident: Grammarly suggestions aren't available.
Grammarly suggestions were unavailable in a vendor-rated critical outage affecting the Editor, browser extension, and listed mobile and desktop integrations. It started at 2025-02-25 23:00 UTC and was resolved at 2025-02-26 00:00 UTC; the computed duration was 59 min. Grammarly reported implementing a fix and monitoring results, but did not state a cause.
Major incident
Major incident: Issues with writing suggestions and generative AI
Grammarly reported a major outage affecting some writing suggestions and generative AI features across Grammarly for Mac, Grammarly for Windows, and Grammarly's Browser Extension. It started at 2025-02-19 17:17 UTC and resolved at 2025-02-19 18:55 UTC, lasting 1 h 37 min. A fix was implemented at 18:34 UTC; no cause was stated.
Major incident
Critical incident: Grammarly is experiencing temporary service interruption.
Grammarly reported a critical outage affecting Account Management, Grammarly Editor, Grammarly for Mac, Grammarly for Windows, Grammarly's Browser Extension, and Login; products were temporarily unavailable. It started at 2025-02-11 20:39 UTC and lasted 1 h 47 min, resolving at 2025-02-11 22:26 UTC. A fix was implemented at 21:18 UTC; no cause was stated.
Major incident
Major incident: Generative AI assistance is working with interruptions
Grammarly’s generative AI assistance experienced interruptions in a major-impact incident starting at 2025-02-05 21:05 UTC, lasting 22 min and resolved at 2025-02-05 21:28 UTC. Writing suggestions remained available; no cause or fix was stated.
Major incident
Critical incident: We're experiencing a service interruption
Grammarly reported a critical service interruption affecting Grammarly Editor, with some users unable to log in or create accounts and slower loading. The incident ran from 2025-01-23 14:41 UTC to 2025-01-23 15:48 UTC, lasting 1 h 7 min. Grammarly implemented a fix and confirmed service was back to normal.
Major incident
Critical incident: Grammarly is experiencing a service interruption, some Grammarly users may be unable to log in
Grammarly reported a critical service interruption that left some users unable to log in, starting at 2025-01-22 19:35 UTC and resolved at 2025-01-22 21:58 UTC, lasting 2 h 23 min. The vendor identified the root cause without disclosing it and implemented a fix; affected components included Login, Writing Suggestions, Generative AI assistance, and Billing Service.
Major incident
Major incident: Some Grammarly accounts are temporarily deactivated
Some Grammarly accounts were temporarily deactivated, affecting Login and prompting deactivation emails. Grammarly rated the incident major; it ran from 2025-01-16 01:57 UTC to 2025-01-16 03:54 UTC, lasting 1 h 57 min. All affected accounts were reactivated; Grammarly said it identified the cause but did not disclose it.
Major incident