Package
langfuse
NOT the latest Langfuse JS/TS SDK. Deprecated v3 client (new Langfuse(), trace(), api.traceList). For new work: npm install @langfuse/tracing @langfuse/otel @opentelemetry/sdk-node. Docs: https://langfuse.com/docs/observability/sdk/overview
Key numbers
As of 25 Sept 2026
- Weekly downloads
- 1.2m
- +272% over 12 months
- Gzip bundle size
- -
- No Bundlephobia data
- Dependencies
- 0
- Direct, from package.json
- Last release
- 9 days ago
- v3.39.2
- GitHub stars
- -
- Open issues / PRs
- - / -
- Contributors
- -
- Commits, last 52 weeks
- -
Downloads
Last week 2026-09-15 to 2026-09-21
1,212,705 downloads last week, 6,688,689 in the last month. The 12-month change of +272% compares the average of the last 4 weeks with the first 4 weeks of the series.
- Releases, last 12 months
- 3160 in total
- Latest version
- 3.39.2, 15 Sept 20269 days ago
- First published
- 2 Jul 2023
- Last push to GitHub
- -
- Repository archived
- -
- Open issues
- -
- Open pull requests
- -
- Commits, last 52 weeks
- -
- Dependents on npm
- 161
Major versions
- v3 first release 3.0.0, 8 Feb 2024
- v2 first release 2.0.0, 18 Dec 2023
- v1 first release 1.0.0, 11 Aug 2023
- v0 first release 0.0.1, 2 Jul 2023
Recent releases
| Version | Published |
|---|---|
| 3.39.2 | 15 Sept 2026 |
| 3.38.20 | 1 Apr 2026 |
| 3.38.6 | 16 Oct 2025 |
| 3.38.5 | 28 Aug 2025 |
| 3.38.4 | 9 Jul 2025 |
| 3.38.3 | 8 Jul 2025 |
| 3.38.2 | 4 Jul 2025 |
| 3.38.1 | 3 Jul 2025 |
| 3.38.0 | 2 Jul 2025 |
| 3.37.6 | 26 Jun 2025 |
| 3.37.5 | 23 Jun 2025 |
| 3.37.4 | 6 Jun 2025 |
| 3.37.3 | 26 May 2025 |
| 3.37.2 | 15 Apr 2025 |
- Module format
- -Not determined from package.json
- TypeScript types
- -
- Node.js engine range
- Not declared
- Runtimes
- -
- Unpacked size (npm)
- -
- Dependencies (0)
- None
npm install langfuse- jsDelivr
https://cdn.jsdelivr.net/npm/langfuse@3.39.2/ - unpkg
https://unpkg.com/langfuse@3.39.2/ - esm.sh
https://esm.sh/langfuse@3.39.2
Indexability: Not indexed (discovery only): GitHub data not fetched yet.