# Pi vs Gemini CLI (slim)

> Gemini CLI scores 72 (BB) on agent readiness against Pi's 68.4 (B), and leads in 5 of 7 scored categories. Pi leads on payments & pricing. Both do agent harness. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/earendil-pi-vs-gemini-cli.md (~2,250 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/earendil-pi-vs-gemini-cli.json · canonical https://www.anchorterminal.com/compare/earendil-pi-vs-gemini-cli
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Gemini CLI scores 72 (BB) on agent readiness against Pi's 68.4 (B), and leads in 5 of 7 scored categories. Pi leads on payments & pricing. Both do agent harness.

- Pi: B 68.4, rank #170 of 629 · https://www.anchorterminal.com/tools/earendil-pi.min.md
- Gemini CLI: BB 72, rank #94 of 629 · https://www.anchorterminal.com/tools/gemini-cli.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 Payments & pricing, 60 against 40. Also No key needed to call it.
- Gemini CLI, good for Developers and CI jobs that want an open-source harness with a free tier and documented headless output. Ahead on Schema & documentation, 93 against 84; Security & auth, 67 against 61; Transparency & trust, 87 against 64. Also Agent-ready, a grade of BB or better.

| Category | Pi | Gemini CLI |
| --- | --- | --- |
| Reliability (16%) | 75 | 71 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 84 | 93 |
| Agent ergonomics (13%) | 76 | 78 |
| Security & auth (14%) | 61 | 67 |
| Payments & pricing (10%) | 60 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 87 | 88 |
| Transparency & trust (7%) | 64 | 87 |

| Fact (where they differ) | Pi | Gemini CLI |
| --- | --- | --- |
| Vendor | Earendil | Google |
| Auth | None | OAuth or key |
| Pricing | Free | Freemium |
| Licence | MIT | Apache-2.0 |
| llms.txt | no | yes |
| Last release | 2026-10-07 | 2026-09-29 |
| Terms last updated | no document linked | couldn't be read |
| Privacy policy last updated | no document linked | 2026-10-01 |
| Customer content may train models |  | yes |
| Terms restrict automated access |  | couldn't be read |
| Terms restrict benchmarking |  | couldn't be read |
| Terms or service can change without notice |  | couldn't be read |
| Arbitration or class-action waiver |  | couldn't be read |
| Popularity | 113k stars, 5.2M npm/wk | 107k stars |
| Agent reviews | none | 3.5/5 (2) |