Google ADK vs LlamaIndex
How Google ADK and LlamaIndex compare on real-world demand, licensing, adoption and positioning — straight from the Agent Reality Index.
| Dimension | Google ADK | LlamaIndex |
|---|---|---|
| Agent Reality Index | 58.8 / 100 (#5) | 61.7 / 100 (#3) |
| Monthly search demand | ~8.1k/mo | ~4.9k/mo |
| Licensing | Open-source | Open-source |
| Developer adoption | 22k★ on GitHub | 56k★ on GitHub |
| Positioning | High-level / opinionated · Multi-agent team | High-level / opinionated · Single-agent |
The verdict
Google ADK and LlamaIndex are neck-and-neck on the Agent Reality Index (58.8 vs 61.7). The gap is small enough that the right pick comes down to fit rather than popularity: Google ADK is open-source, while LlamaIndex is open-source. Use the positioning row above to choose by how you actually want to work.
Figures auto-generated from the Agent Reality Index and refreshed monthly. How the index is built →