Package
langfuse-vercel
LEGACY Langfuse v3 integration for Vercel AI SDK (maintenance mode). For new projects use @langfuse/otel with the AI SDK's experimental_telemetry: npm install @langfuse/otel @langfuse/tracing
Key numbers
As of 25 Sept 2026
- Weekly downloads
- 81.1k
- +74% 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
81,117 downloads last week, 418,876 in the last month. The 12-month change of +74% 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
- 17
Major versions
-
Recent releases
-
- Module format
- ESM + CommonJSFrom package.json type, main and exports fields
- TypeScript types
- Bundled
- Node.js engine range
- >=18
- Runtimes
- -
- Unpacked size (npm)
- 99 kB
- Dependencies (2)
langfuselangfuse-core- Peer dependencies (1)
ai
npm install langfuse-vercel- jsDelivr
https://cdn.jsdelivr.net/npm/langfuse-vercel@3.39.2/ - unpkg
https://unpkg.com/langfuse-vercel@3.39.2/ - esm.sh
https://esm.sh/langfuse-vercel@3.39.2
| Package | Weekly downloads | Gzip | Last release | Module | Comparison |
|---|---|---|---|---|---|
| @traceloop/instrumentation-azure | 16.8k | - | 1 year ago | ESM + CommonJS | - |
| @traceloop/instrumentation-utils | 84.5k | - | 3 months ago | ESM + CommonJS | - |
| @opentelemetry/id-generator-aws-xray | 1m | - | 9 months ago | ESM + CommonJS | - |
| @traceloop/instrumentation-openai | 165.8k | - | 3 months ago | ESM + CommonJS | - |
| @traceloop/instrumentation-bedrock | 151.2k | - | 3 months ago | ESM + CommonJS | - |
| @traceloop/instrumentation-langchain | 140.2k | - | 3 months ago | ESM + CommonJS | - |
| @traceloop/instrumentation-cohere | 137.4k | - | 3 months ago | ESM + CommonJS | - |
| @traceloop/instrumentation-together | 132.9k | - | 3 months ago | ESM + CommonJS | - |
Indexability: Indexed.