# Agent Zero vs Pi (slim)

> Pi scores 68.4 (B) to Agent Zero's 54.2 (C) for agent harnesses. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/agent-zero-vs-earendil-pi.md (~2,500 tokens) · this version ~480 tokens · JSON https://www.anchorterminal.com/compare/agent-zero-vs-earendil-pi.json · canonical https://www.anchorterminal.com/compare/agent-zero-vs-earendil-pi
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-12

Pi scores 68.4 (B) on agent readiness against Agent Zero's 54.2 (C), and leads in 6 of 7 scored categories. Both do agent harnesses.

- Agent Zero: C 54.2, rank #709 of 986 · https://www.anchorterminal.com/tools/agent-zero.min.md
- Pi: B 68.4, rank #219 of 986 · https://www.anchorterminal.com/tools/earendil-pi.min.md
- Agent Zero, good for A technical owner who wants an agent with its own Linux machine, reachable from Telegram, WhatsApp or email, with scheduled tasks and editable memory.
- Pi, good for Developers and pipelines that want a small, scriptable coding agent they can extend in TypeScript and drive over JSONL or RPC, inside their own container. Ahead on Reliability, 75 against 57; Schema & documentation, 84 against 64; Agent ergonomics, 76 against 62; Security & auth, 61 against 54; Maintenance & community, 87 against 75; Transparency & trust, 64 against 55. Also Free to start without a card.

| Category | Agent Zero | Pi |
| --- | --- | --- |
| Reliability (16%) | 57 | 75 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 64 | 84 |
| Agent ergonomics (13%) | 62 | 76 |
| Security & auth (14%) | 54 | 61 |
| Payments & pricing (10%) | 60 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 75 | 87 |
| Transparency & trust (7%) | 55 | 64 |

| Fact (where they differ) | Agent Zero | Pi |
| --- | --- | --- |
| Vendor | Agent Zero, s.r.o. | Earendil |
| llms.txt | yes | no |
| Last release | 2026-09-23 | 2026-10-07 |
| Popularity | 19k stars | 113k stars, 5.2M npm/wk |