## Service directory (1-1 of 1)

| id | Provider | Product | Free tier | Lowest paid price | Checked |
|---|---|---|---|---|---|
| langsmith | LangSmith | LangSmith | Developer: $0 for 1 seat, 5K traces/month | Plus $39 per seat per month (10K traces included) | 2026-10-23 [pricing page](https://www.langchain.com/pricing) |

Categories: llm_ops (1).

**Caveats (show these word for word)**
- Directory prices summarise each provider's pricing page on the date shown (checked_at), read automatically and pending human review. Check the page before relying on a price.

Confidence: medium.

Use estimate_cost or plan_stack for providers priced by the cost engine.