Pick Confident AI if
aI teams who will pay Starter so more than 5 test runs a week and 1 GB-month of traces sit on one project.
Read the Confident AI pageOur take
Pick Confident AI if aI teams who will pay Starter so more than 5 test runs a week and 1 GB-month of traces sit on one project. Pick LangSmith if engineers who already write agent code and will open traces when a run surprises them.
LangChain’s hosted observability and eval
Best for
Confident AI Score the app before it ships
LangSmith See what an agent did, then score it
Free plan
Confident AI $0 · forever. 2 seats; 1 project; 5 test runs / week; 1 GB-month of traces (extra dropped). Full unit/regression suite, tracing, prompt versioning, cloud datasets
LangSmith $0 · / seat / month. 1 seat. 5,000 base traces/month, then pay-as-you-go. 7 LSU Fleet allowance/month. Community support
Lowest paid
Confident AI Team $2/mo
LangSmith Plus $39/mo
Next step up
Confident AI Starter $200/mo
LangSmith
Runs where
Confident AI Hosted
LangSmith Hosted
Watch out
Confident AI Free is 5 test runs a week + 1 GB-month
LangSmith Traces after 5k / 10k bill in arrears
Last checked
Confident AI 2026-10-22 · confident-ai.com/pricing
LangSmith 2026-10-22 · langchain.com/pricing
aI teams who will pay Starter so more than 5 test runs a week and 1 GB-month of traces sit on one project.
Read the Confident AI pageengineers who already write agent code and will open traces when a run surprises them.
Read the LangSmith page