A side-by-side of two agent frameworks for building AI agents — live GitHub data, languages, and what each is best at.
| LlamaIndex | Claude Agent SDK | |
|---|---|---|
| GitHub stars | ★ 51k | ★ 7.5k |
| Language | Python | Python |
| Category | Agent frameworks | Agent frameworks |
| Best for | RAG | Claude-native agents |
| Repository | run-llama/llama_index | anthropics/claude-agent-sdk-python |
LlamaIndex and Claude Agent SDK are both credible choices. By community traction, LlamaIndex leads (★ 51k). Pick LlamaIndex for RAG; pick Claude Agent SDK for Claude-native agents.
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