Anthropic SDK vs OpenAI SDK

Head-to-head adoption data comparison based on real metrics

Data updated daily — latest collection:
Share: Post Share
VS
🧠
Anthropic SDK
SDK
Monthly Downloads
71.6M
Total: 71.6M
GitHub Stars
3,444
Forks
676
Open Issues
232
Description
Official Anthropic API client for Claude models
Visit website →
🤖
OpenAI SDK
SDK
Monthly Downloads
84.4M
Total: 84.4M
GitHub Stars
10,071
Forks
1,232
Open Issues
95
Description
Official OpenAI API client library for Node.js and Python
Visit website →

Side-by-Side Metrics

Metric Anthropic SDK OpenAI SDK
Monthly Downloads 71.6M 84.4M Leader
GitHub Stars 3,444 10,071 Leader
GitHub Forks 676 1,232 Leader
Open Issues 232 Leader 95
Community Mentions 0 0

Pricing

Anthropic SDK
No pricing data available
OpenAI SDK
  • GPT-5: Free
  • GPT-5: Free
  • GPT-4.1: Free
  • GPT-4.1: Free
  • Realtime API: Free

OpenAI SDK offers a free tier

Summary

OpenAI SDK leads in downloads with 1x more monthly downloads than Anthropic SDK, while OpenAI SDK leads in community popularity with 192% more GitHub stars than Anthropic SDK.

Historical Comparison

See how this comparison has changed over the last 30, 60, and 90 days with download and star trends plotted over time.

Unlock with Professional Plan

About This Data

This comparison uses real adoption metrics collected daily from NPM, PyPI, GitHub, benchmark leaderboards, and pricing data sources. Download counts reflect cumulative totals and weekly/monthly snapshots from the most recent scraper run. All data is publicly verifiable.

Latest data collection: (scrapers run daily)

Sources: NPM Registry API, PyPI API, GitHub API, SWE-bench, Official Pricing Pages

View Anthropic SDK Details View OpenAI SDK Details Compare Other Tools

Last updated: | Data collected from NPM, PyPI, GitHub, and vendor pricing pages