# Amplitude: Major incident: AI features degraded

**Summary:** Amplitude reported a major degradation affecting Agents and Chat: some users could not load or use AI-powered features. The incident started at 2026-07-13 18:51 UTC and was resolved at 2026-07-13 23:17 UTC, lasting 4 h 25 min; no cause or fix was stated. _(machine-written, sol)_
- Kind: Major incident · Label: degradation (model (Jev))
- Changed: 2026-07-13 18:51 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/rfw2ps7rc34c](https://stspg.io/rfw2ps7rc34c)
- [Company: Amplitude](https://rewindex.com/company/amplitude.md)
- Versions: before (none: first archived) → after incident\_version:49/106gp962ftcx@ff4d5e698f16
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ AI features degraded
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-07-13 18:51 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-07-13 23:17 UTC
```

**6. Added: Affected components**

```diff
+ Agents and Chat
```

**7. Added: Update** (investigating) · 2026-07-13 18:51 UTC

```diff
+ Some users may be unable to load or use AI-powered features. We are investigating and will provide updates as more information becomes available.
```

**8. Added: Update** (investigating) · 2026-07-13 23:16 UTC

```diff
+ We are continuing to investigate this issue.
```

**9. Added: Update** (resolved) · 2026-07-13 23:17 UTC

```diff
+ This incident has been resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-07-13 18:51 UTC | Major incident: AI features degraded (this change) | degradation |

All Amplitude changes: [timeline](https://rewindex.com/company/amplitude/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


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Canonical: https://rewindex.com/change/i6538fc59615fb5 · Markdown: https://rewindex.com/change/i6538fc59615fb5.md · JSON: https://rewindex.com/api/v1/changes/i6538fc59615fb5 · Generated 2026-10-18T00:38:35.324Z