# Show HN: I built an open-source, local-first  alternative to LangSmith

**Switching Demand Score:** 35/100

| Field | Value |
|---|---|
| Thread | Show HN: I built an open-source, local-first  alternative to LangSmith |
| Switching from | LangSmith |
| Category | Other software |
| Thread type | Show HN |
| Points | 6 |
| Comments | 1 |
| Posted | 2026-05-08 |
| Linked site | https://pypi.org/project/opensmith/ |

## Why this score
- Names the product being replaced (LangSmith).

Source: Hacker News via the public Algolia HN Search API (https://news.ycombinator.com/item?id=48063206). Last refreshed: 2026-11-04T09:17:47.612Z.
Thread titles and counts from the public Hacker News Algolia API; usernames and comment text are not stored. Each row links to the original thread. Informational only.