Anthropic SDK vs OpenAI SDK
Head-to-head adoption data comparison based on real metrics
VS
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Anthropic SDK
SDK
Monthly Downloads
23.1M
Total: 23.1M
GitHub Stars
2,802
Forks
462
Open Issues
114
Description
Official Anthropic API client for Claude models
🤖
OpenAI SDK
SDK
Monthly Downloads
51.2M
Total: 51.2M
GitHub Stars
10,071
Forks
1,232
Open Issues
95
Description
Official OpenAI API client library for Node.js and Python
Side-by-Side Metrics
| Metric | Anthropic SDK | OpenAI SDK |
|---|---|---|
| Monthly Downloads | 23.1M | 51.2M Leader |
| GitHub Stars | 2,802 | 10,071 Leader |
| GitHub Forks | 462 | 1,232 Leader |
| Open Issues | 114 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 2x more monthly downloads than Anthropic SDK, while OpenAI SDK leads in community popularity with 259% 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 PlanAbout This Data
This comparison uses real adoption metrics collected from NPM, PyPI, GitHub, benchmark leaderboards, and pricing data sources. All data is publicly verifiable and updated daily.
Data collected:
Sources: NPM Registry API, PyPI API, GitHub API, SWE-bench, Official Pricing Pages