OpenAI SDK vs Anthropic SDK

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

Data updated daily — latest collection:
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VS
🤖
OpenAI SDK
SDK
Monthly Downloads
85.8M
Total: 85.8M
GitHub Stars
10,071
Forks
1,232
Open Issues
95
Description
Official OpenAI API client library for Node.js and Python
Visit website →
🧠
Anthropic SDK
SDK
Monthly Downloads
72.7M
Total: 72.7M
GitHub Stars
3,461
Forks
679
Open Issues
238
Description
Official Anthropic API client for Claude models
Visit website →

Side-by-Side Metrics

Metric OpenAI SDK Anthropic SDK
Monthly Downloads 85.8M Leader 72.7M
GitHub Stars 10,071 Leader 3,461
GitHub Forks 1,232 Leader 679
Open Issues 95 238 Leader
Community Mentions 0 0

Pricing

OpenAI SDK
  • GPT-6 Astra: Free
  • GPT-6 Astra: Free
  • GPT-Image-2.5 Sunburst: Free
  • GPT-Image-2.5 Sunburst: Free
  • GPT-Live-1: Free
  • GPT-Live-1: Free
  • Web search: Free
  • Web search: Free
Anthropic SDK
  • Fable 5.1: $0.25/mo

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 191% more GitHub stars than Anthropic SDK.

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

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