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About LangChain (LangSmith)
AIWatch Data: LangChain (LangSmith)'s reported uptime is 99.93%. Based on AIWatch data from the last 30 days, it experienced 2 incidents with an average recovery time of 35 minutes.
LangSmith is LangChain's hosted observability, evaluation, and prompt-management platform for LLM applications and agents. Developers use it to trace runs, debug chains, evaluate prompts, and monitor agents in production.
AIWatch Insight: AIWatch tracks LangSmith's load-bearing surfaces — run ingestion, API, and the web application — using a worst-of badge, so a tracing-ingestion outage is reflected even when the marketing site is fine. Billing, sandboxes, and PromptHub are excluded from the status signal to avoid non-availability noise.
When LangSmith is down, trace ingestion stalls so production runs stop appearing in dashboards, evaluations and prompt experiments fail to record, and teams lose live observability into their agents — though the underlying LLM calls themselves usually keep working.
This page provides real-time status, uptime history, and recent incident details — updated every 5 minutes by AIWatch.
Frequently Asked Questions
Is LangChain down right now?
Check the live status indicator at the top of this page. AIWatch monitors LangSmith every 5 minutes and shows real-time operational status.
Is LangChain the same as LangSmith?
LangChain is the open-source framework; LangSmith is LangChain's hosted observability and evaluation platform with its own status page. This page tracks the LangSmith platform.
Why are my LangSmith traces not showing up?
Missing traces often indicate a run-ingestion incident even when the app loads. Check this page for active ingestion incidents, then verify your API key and project configuration.
What are alternatives to LangSmith?
Based on current AIWatch data, Langfuse (Score: 82) and Helicone (Score: 47) are the most reliable alternatives right now. For LLM observability, Langfuse, Helicone, and Phoenix (Arize) are alternatives. AIWatch shows current availability across the AI stack.
How do I check LangSmith status?
You can check status on this page, on the official LangSmith status page at status.smith.langchain.com, or on the AIWatch dashboard at ai-watch.dev.
Alternatives When LangChain (LangSmith) is Down
Open ↗ goes to the provider site · ranked by AIWatch Score, not paid.