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Package

langfuse-node

LEGACY Langfuse v3 SDK for Node.js < 18 (maintenance mode). For new projects use the current Langfuse JS/TS SDK: npm install @langfuse/tracing @langfuse/otel @langfuse/client

v3.39.2, 15 Sept 2026MITESM + CommonJSTypes: BundledMonitoring and error tracking
$ npm install langfuse-node

Key numbers

As of 25 Sept 2026
Weekly downloads
3.5k
+13% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
2
Direct, from package.json
Last release
9 days ago
v3.39.2
GitHub stars
169
108 forks
Open issues / PRs
11 / 39
Contributors
-
Commits, last 52 weeks
245

Downloads

Last week 2026-09-15 to 2026-09-21
010k20k30kSept 2025Mar 2026Sept 2026High 21.4k (4 Aug 2026)Low 2.6k (23 Dec 2025)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

3,497 downloads last week, 30,751 in the last month. The 12-month change of +13% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
-
Latest version
3.39.2, 15 Sept 20269 days ago
First published
-
Last push to GitHub
24 Sept 2026same day as the snapshot
Repository archived
No
Open issues
11
Open pull requests
39
Commits, last 52 weeks
245
Dependents on npm
0

Major versions

-

Recent releases

-

Module format
ESM + CommonJSFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
>=18.0.0
Runtimes
-
Unpacked size (npm)
20 kB
Dependencies (2)
axioslangfuse-core
npm install langfuse-node
  • jsDelivrhttps://cdn.jsdelivr.net/npm/langfuse-node@3.39.2/
  • unpkghttps://unpkg.com/langfuse-node@3.39.2/
  • esm.shhttps://esm.sh/langfuse-node@3.39.2
PackageWeekly downloadsGzipLast releaseModuleComparison
@traceloop/instrumentation-utils84.5k-3 months agoESM + CommonJS-
@traceloop/node-server-sdk92.6k-3 months agoESM + CommonJS-
@traceloop/instrumentation-openai165.8k-3 months agoESM + CommonJS-
@traceloop/instrumentation-together132.9k-3 months agoESM + CommonJS-
@traceloop/instrumentation-vertexai124.4k-3 months agoESM + CommonJS-
@traceloop/instrumentation-llamaindex120k-3 months agoESM + CommonJS-
@traceloop/instrumentation-bedrock151.2k-3 months agoESM + CommonJS-
@traceloop/instrumentation-langchain140.2k-3 months agoESM + CommonJS-
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): downloads_week 3497 < 10000.