Companies / ai
AssemblyAI
108incidents since 2021-10-24
26major or critical
14in the last 90 days
0silently edited or deleted
Recent notable changes
| When (UTC) | Change | Kind |
|---|---|---|
| Major incident: Increased Processing Times and Errors on US Endpoint for Universal-3.5 Pro Async model AssemblyAI reported a major degradation of Universal-3.5 Pro async transcription on its US endpoint: slower processing and failed requests; EU was unaffected. The incident started at 2026-10-06 14:00 UTC and resolved at 2026-10-06 14:25 UTC (25 min), with impact reported beginning at 1:35p UTC. A fix restored normal processing; failed requests can be safely resubmitted. | Major incident | |
| Major incident: Increased processing times and errors for Universal-3.5 Pro on the EU async endpoint AssemblyAI’s major EU asynchronous transcription degradation delayed Universal-3 Pro and Universal-3.5 Pro requests and caused some failures. It started at 2026-10-05 10:21 UTC and was resolved at 2026-10-05 11:39 UTC (1 h 18 min); processing returned to normal, and failed requests can be safely resubmitted. The US endpoint and real-time services were unaffected. | Major incident | |
| Critical incident: Outage on US Async Endpoint AssemblyAI recorded a critical US Async API outage starting 2026-09-16 20:22 UTC, lasting 1 h 14 min. At peak, roughly 50% of US async transcription requests failed; some successful requests were delayed, while EU and real-time/streaming services were unaffected. The vendor attributed the failure to AWS SQS and reported resolution after implementing a fix. | Major incident | |
| Major incident: EU endpoint session failures on Universal 3.5 Pro Realtime AssemblyAI reported a major Universal 3.5 Pro Realtime outage: EU endpoint users could not create streaming sessions and received code 3005 during 13:00–13:12 UTC; US users were unaffected. The incident started at 2026-08-19 13:17 UTC and resolved at 2026-08-19 13:24 UTC (7 min), after a fix restored session creation. | Major incident | |
| Major incident: Timeout on transcriptions using speaker labels AssemblyAI reported a major US Asynchronous API outage starting 2026-06-25 15:37 UTC (reported impact began 15:00 UTC), resolved at 2026-06-25 16:48 UTC; computed duration: 1 h 10 min. Speaker diarization failures caused timeouts for speaker-labeled files under 2 minutes, with backlog delays and timeouts affecting other requests; a fix was released and processing recovered. | Major incident | |
| Critical incident: Pre-recorded Universal-3-pro and Universal-3-5-pro degradation in the EU AssemblyAI reported a critical degradation affecting only EU pre-recorded audio transcription traffic for Universal-3-Pro and Universal-3-5-Pro. It started at 2026-06-24 09:13 UTC and was resolved at 2026-06-24 10:40 UTC, lasting 1 h 26 min. A fix was implemented at 10:05 UTC; all systems were operating normally at resolution. | Major incident | |
| Major incident: Degraded Async Transcription Performance AssemblyAI reported a major async transcription degradation from 2026-04-09 21:33 UTC to 2026-04-09 21:49 UTC, lasting 15 min. Some customers experienced increased processing times or throttled requests; AssemblyAI addressed a capacity constraint, cleared the transcription queue, and confirmed normal operation. | Major incident | |
| Major incident: Negative Balance Error AssemblyAI reported a major billing incident: a small number of accounts received negative balances via the API, preventing transcription requests from completing. It ran from 2026-02-25 19:39 UTC to 2026-02-25 21:34 UTC (1 h 55 min). AssemblyAI attributed it to an unintentional error during its ongoing billing system migration, rolled out a fix, and confirmed resolution. | Major incident | |
| Critical incident: Async + LLM gateway APIs returning 5xx | Major incident | |
| Major incident: Delayed processing of transcripts on Slam | Major incident |
Full AssemblyAI change timeline, with diffs →
Status incident history
AssemblyAI status incidents per year
Data table
| Year | Incidents | Major/critical |
|---|---|---|
| 2021 | 1 | 0 |
| 2022 | 6 | 5 |
| 2023 | 14 | 1 |
| 2024 | 22 | 4 |
| 2025 | 32 | 7 |
| 2026 | 33 | 9 |
Incidents per month, last 36 months
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Data table
| Month | Impact | Incidents |
|---|---|---|
| 2023-10 | minor | 5 |
| 2024-01 | minor | 1 |
| 2024-02 | minor | 3 |
| 2024-03 | minor | 2 |
| 2024-03 | none | 1 |
| 2024-04 | major | 1 |
| 2024-04 | minor | 1 |
| 2024-05 | minor | 1 |
| 2024-06 | minor | 1 |
| 2024-07 | none | 1 |
| 2024-08 | minor | 1 |
| 2024-08 | none | 1 |
| 2024-09 | major | 1 |
| 2024-09 | minor | 2 |
| 2024-10 | minor | 1 |
| 2024-11 | none | 1 |
| 2024-12 | critical | 1 |
| 2024-12 | major | 1 |
| 2024-12 | minor | 1 |
| 2025-01 | major | 2 |
| 2025-02 | minor | 1 |
| 2025-02 | none | 1 |
| 2025-03 | minor | 3 |
| 2025-04 | major | 1 |
| 2025-04 | minor | 1 |
| 2025-05 | minor | 4 |
| 2025-06 | minor | 1 |
| 2025-06 | none | 1 |
| 2025-07 | minor | 3 |
| 2025-08 | major | 1 |
| 2025-09 | minor | 4 |
| 2025-09 | none | 1 |
| 2025-10 | major | 1 |
| 2025-10 | minor | 3 |
| 2025-11 | major | 2 |
| 2025-11 | minor | 2 |
| 2026-01 | critical | 1 |
| 2026-01 | minor | 2 |
| 2026-02 | major | 1 |
| 2026-02 | minor | 3 |
| 2026-03 | minor | 2 |
| 2026-04 | major | 1 |
| 2026-04 | minor | 1 |
| 2026-04 | none | 1 |
| 2026-05 | minor | 3 |
| 2026-06 | critical | 1 |
| 2026-06 | major | 1 |
| 2026-07 | minor | 1 |
| 2026-07 | none | 1 |
| 2026-08 | major | 1 |
| 2026-08 | minor | 5 |
| 2026-08 | none | 1 |
| 2026-09 | critical | 1 |
| 2026-09 | minor | 1 |
| 2026-09 | none | 1 |
| 2026-10 | major | 2 |
| 2026-10 | minor | 2 |
Silent edits
No silent edits or deletions detected for AssemblyAI yet. We compare every 10-minute snapshot of each incident.
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Pricing, trust and legal pages
Page snapshot history
Data table
| Date | Page | Change |
|---|---|---|
| 2026-10-17 | Subprocessors | baseline |
| 2026-10-17 | Terms of service | baseline |
| 2026-10-17 | Trust / security | baseline |
| 2026-10-17 | Pricing | baseline |
| Page | URL | Versions | Last changed | Last fetched OK | History |
|---|---|---|---|---|---|
| Subprocessorspartial | assemblyai.com/legal/subprocessors | 1 | 2026-10-17 | none yet | |
| Terms of service | assemblyai.com/terms | 1 | 2026-10-17 | 2026-10-17 | none yet |
| Pricing | assemblyai.com/pricing | 1 | 2026-10-17 | 2026-10-17 | none yet |
| Trust / security | www.assemblyai.com/security | 1 | 2026-10-17 | 2026-10-17 | none yet |
No changes since the first snapshot. Each change links to its diff: the changed passages with a few words of context, never a full copy of the page.
Incident timeline
Latest 100 of 108 incidents. Full list: last 90 days · JSON · Markdown