Project comparison
Compare adoption, momentum, maintenance health, and project basics before choosing which tool to evaluate deeper.
Letta is the platform for building stateful agents: AI with advanced memory that can learn and self-improve over time.
The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
Everything Claude Code has the larger GitHub footprint with 179.5K stars.
Letta is currently growing faster at 0 stars this week.
Everything Claude Code has the stronger health score at 75/100.
| Signal | Letta | Everything Claude Code |
|---|---|---|
| GitHub stars | 22.6K | 179.5K |
| Weekly growth | 0 | 0 |
| Health score | 68 | 75 |
| Contributors | 153 | 179 |
| Commits per week | 32.3 | 116.0 |
| Open issues | 71 | 1 |
| Language | Python | JavaScript |
| License | Apache-2.0 | MIT |
| Last commit | 29d ago | 15h ago |
| Last release | 0.16.7 | v1.10.0 |
Get the fastest-growing projects, useful MCP servers, and technical reads in one weekly email.