LangSmith
8.0#1 in llm gateway software$39 usage-basedFree planWebAPILinuxmacOS
VisitLangSmith vs Sema4.ai
LangSmith plans
- DeveloperFree
- Plus$39 a month
- EnterprisePriced on request
Sema4.ai plans
No prices published.
Pick LangSmith if…
LangSmith suits teams building or operating AI agents that need evaluation, prompt workflows, and observability. It supports both hosted and self-hosted deployment options.
Pick Sema4.ai if…
You want what its maker publishes above — check its page for the details.