Is LangSmith down? › Outage history › Oct 12, 2026
LangSmith partial outage on Oct 12, 2026: what happened
On Oct 12, 2026, the LangSmith Global status page reported "Seeing some issues logging into the application". About 2 days 10 hours: from Oct 12, 2026, 05:42 UTC to Oct 14, 2026, 16:02 UTC, by the official start and resolution times.
LangSmith right now
At our last refresh (Oct 22, 2026, 12:35 UTC) LangSmith was having problems: Partial System Degradation.
- Started
- Oct 12, 2026, 05:42 UTC
- Resolved
- Oct 14, 2026, 16:02 UTC
- Duration
- 2 days 10 hours
- Official impact
- Major
- Source
- Seeing some issues logging into the application on the LangSmith Global status page
The LangSmith Global status page rated the impact "Major": a partial outage. Some parts or some users were affected; it was not a complete outage.
What caused the LangSmith partial outage?
The LangSmith Global status page has not published a cause. Its updates describe the symptoms only.
When was it fixed?
The LangSmith Global status page marked it resolved at Oct 14, 2026, 16:02 UTC, 2 days 10 hours after it started. A fix was in place and being monitored from Oct 12, 2026, 06:10 UTC. Its resolution note: "Underlying captcha issue has been resolved."
Timeline of official updates
Every update the LangSmith Global status page posted, oldest first. Times are UTC.
Oct 12, 2026, 05:42 UTC investigating
Some users can't log in to or sign up for LangSmith right now. Login attempts may time out or fail. Users who are already logged in should not be affected. We are actively investigating and will post another update as we learn more.
Oct 12, 2026, 06:10 UTC monitoring
We were having an issue with our captcha provider. For now we have disabled captcha which has resolved the issue
Oct 14, 2026, 16:02 UTC resolved
Underlying captcha issue has been resolved.
LangSmith partial outage questions
What caused the LangSmith partial outage on Oct 12, 2026?
The LangSmith Global status page has not published a cause.
When was the LangSmith partial outage on Oct 12, 2026 fixed?
The LangSmith Global status page marked it resolved at Oct 14, 2026, 16:02 UTC, 2 days 10 hours after it started. A fix was in place and being monitored from Oct 12, 2026, 06:10 UTC. Its resolution note: "Underlying captcha issue has been resolved."
How long did the LangSmith partial outage last?
About 2 days 10 hours: from Oct 12, 2026, 05:42 UTC to Oct 14, 2026, 16:02 UTC, by the official start and resolution times.
Was LangSmith completely down?
No. The LangSmith Global status page rated the impact "Major": a partial outage. Some parts or some users were affected; it was not a complete outage.
Other recent LangSmith incidents
- Sandbox Performance Degraded Oct 14, 2026, 19:47 UTC, ongoing, 7 days 17 hours so far
- APAC Region Querying is down Oct 12, 2026, 06:46 UTC, duration not stated
- LLM Gateway service interruption Oct 8, 2026, 10:05 UTC, duration not stated
- Increased latency in Run Query V1 APIs Oct 8, 2026, 00:48 UTC, 1 hour 42 min
- LangSmith Deployment Database Provisioning Error Oct 3, 2026, 05:10 UTC, 5 hours 3 min
- Thread-scoped sandbox initialization timeouts on new agents Sep 4, 2026, 17:19 UTC, 2 hours 18 min
Full LangSmith outage history and biggest outages → · Recent outages across all services →
Quotes are the LangSmith Global status page's own words, from the official incident. Is It Up or Down is independent and not affiliated with LangSmith. Times are UTC.