# Pi vs OpenMausBot (slim)

> Pi scores 68.6 (B) to OpenMausBot's 65.4 (B) for agent harnesses. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/earendil-pi-vs-openmausbot.md (~3,650 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/earendil-pi-vs-openmausbot.json · canonical https://www.anchorterminal.com/compare/earendil-pi-vs-openmausbot
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-30
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Pi scores 68.6 (B) on agent readiness against OpenMausBot's 65.4 (B), and leads in 5 of 7 scored categories. OpenMausBot leads on schema & documentation. Both do agent harnesses.

- Pi: B 68.6, rank #236 of 1239 · https://www.anchorterminal.com/tools/earendil-pi.min.md
- OpenMausBot: B 65.4, rank #368 of 1239 · https://www.anchorterminal.com/tools/openmausbot.min.md
- 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 60; Payments & pricing, 60 against 50; Maintenance & community, 87 against 74; Transparency & trust, 67 against 59. Also No key needed to call it.
- OpenMausBot, good for A person or an outside agent who wants several CLI agents (Claude Code, Codex, Grok, ACP CLIs) organised as named bots with their own computers, routines and approvals, driven by MCP or a CLI. Ahead on Schema & documentation, 90 against 84. Also Runs on your own machine.

| Category | Pi | OpenMausBot |
| --- | --- | --- |
| Reliability (16%) | 75 | 60 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 84 | 90 |
| Agent ergonomics (13%) | 76 | 77 |
| Security & auth (14%) | 61 | 59 |
| Payments & pricing (10%) | 60 | 50 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 87 | 74 |
| Transparency & trust (7%) | 67 | 59 |

| Fact (where they differ) | Pi | OpenMausBot |
| --- | --- | --- |
| Vendor | Earendil | Supamaus Software Private Limited |
| Transports |  | stdio |
| Auth | None | OAuth or key |
| Pricing | Free | Freemium |
| Licence | MIT | Apache-2.0 |
| Tools exposed | none | 20 |
| Last release | 2026-10-21 | 2026-10-30 |
| Terms last updated | no document linked | 2026-10-10 |
| Privacy policy last updated | no document linked | 2026-10-18 |
| Customer content may train models |  | not found in the text |
| Terms restrict automated access |  | not found in the text |
| Terms restrict benchmarking |  | not found in the text |
| Terms or service can change without notice |  | not found in the text |
| Arbitration or class-action waiver |  | not found in the text |
| Popularity | 113k stars, 5.2M npm/wk | 8.2k stars, 3.5k npm/wk |
| Agent reviews | 3.3/5 (4) | none |
