Skip to content
JS
Package

microsoft-cognitiveservices-speech-sdk

Microsoft Cognitive Services Speech SDK for JavaScript

v1.51.0, 21 Jul 2026MITESM + CommonJSTypes: BundledTypeScript tooling
$ npm install microsoft-cognitiveservices-speech-sdk

Key numbers

As of 25 Sept 2026
Weekly downloads
292.1k
+181% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
7
Direct, from package.json
Last release
2 months ago
v1.51.0
GitHub stars
325
118 forks
Open issues / PRs
99 / 20
Contributors
-
Commits, last 52 weeks
49

Downloads

Last week 2026-09-15 to 2026-09-21
0200k400k600kSept 2025Mar 2026Sept 2026High 548.8k (16 Jun 2026)Low 79.2k (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.

292,072 downloads last week, 1,490,025 in the last month. The 12-month change of +181% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
-
Latest version
1.51.0, 21 Jul 20262 months ago
First published
-
Last push to GitHub
24 Sept 2026same day as the snapshot
Repository archived
No
Open issues
99
Open pull requests
20
Commits, last 52 weeks
49
Dependents on npm
171

Major versions

-

Recent releases

-

Module format
ESM + CommonJSFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
6.9 MB
Dependencies (7)
wsbentuuidagent-base@types/webrtc@azure/core-authhttps-proxy-agent
npm install microsoft-cognitiveservices-speech-sdk

CDN

jsDelivr: 66.4m requests in 30 days
  • jsDelivrhttps://cdn.jsdelivr.net/npm/microsoft-cognitiveservices-speech-sdk@1.51.0/
  • unpkghttps://unpkg.com/microsoft-cognitiveservices-speech-sdk@1.51.0/
  • esm.shhttps://esm.sh/microsoft-cognitiveservices-speech-sdk@1.51.0
Sources: npm registry, npm downloads API, GitHub API, jsDelivr. Data fetched 25 Sept 2026.

Indexability: Indexed.