Head to head
| Metric | Stagehand | Mem0 | Letta | Graphiti |
|---|---|---|---|---|
| Stars | 26k | 68.8k | 25.4k | 32.8k |
| Weekly downloads | 2.9M | 521k | 1.7k | 176k |
| Download growth | +64% | +25% | -36% | +41% |
| Popularity score | 80/100 | 78/100 | 58/100 | 72/100 |
| Forks | 1.8k | 8.2k | 2.7k | 3.4k |
| Open issues | 435 | 932 | 0 | 560 |
| Last commit | 1d ago | 5d ago | 3w ago | 1d ago |
| Latest version | 4.4.0 | 2.2.1Sep 25, 2026 | 0.34.12Oct 12, 2026 | 0.31.2Oct 20, 2026 |
| License | MIT | Apache-2.0 | Apache-2.0 | Apache-2.0 |
| First released | 2024 | 2023 | 2023 | 2024 |
| Signals | None | Trending | None | Rising |
| Listed in | AI & Machine Learning › Agent Memory, Browsers & SandboxesTesting & QA › AI-Assisted & Agentic Testing | AI & Machine Learning › Agent Memory, Browsers & Sandboxes | AI & Machine Learning › Agent Memory, Browsers & Sandboxes | AI & Machine Learning › Agent Memory, Browsers & Sandboxes |
Weekly downloads over time
Hover for exact values; switch to log scale for tools of very different sizes. Not shown (no comparable download data): Stagehand.
- Mem0
- Letta
- Graphiti