# Antigravity CLI vs Pi (slim)

> Pi scores 68.4 (B) to Antigravity CLI's 57.7 (C) for agent harnesses. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/antigravity-cli-vs-earendil-pi.md (~2,650 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/antigravity-cli-vs-earendil-pi.json · canonical https://www.anchorterminal.com/compare/antigravity-cli-vs-earendil-pi
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-10

Pi scores 68.4 (B) on agent readiness against Antigravity CLI's 57.7 (C), and leads in 6 of 7 scored categories. Both do agent harnesses.

- Antigravity CLI: C 57.7, rank #599 of 954 · https://www.anchorterminal.com/tools/antigravity-cli.min.md
- Pi: B 68.4, rank #216 of 954 · https://www.anchorterminal.com/tools/earendil-pi.min.md
- Antigravity CLI, good for Developers on Google AI plans or Gemini Enterprise who want a terminal agent with a sandbox on by default and access to several model families, depending on plan. Also No incidents deducted, where Pi loses 4 points for them.
- 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 43; Schema & documentation, 84 against 78; Security & auth, 61 against 53; Payments & pricing, 60 against 30; Maintenance & community, 87 against 68; Transparency & trust, 64 against 54. Also No key needed to call it; Free to start without a card; Open source.

| Category | Antigravity CLI | Pi |
| --- | --- | --- |
| Reliability (16%) | 43 | 75 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 78 | 84 |
| Agent ergonomics (13%) | 78 | 76 |
| Security & auth (14%) | 53 | 61 |
| Payments & pricing (10%) | 30 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 68 | 87 |
| Transparency & trust (7%) | 54 | 64 |

| Fact (where they differ) | Antigravity CLI | Pi |
| --- | --- | --- |
| Vendor | Google | Earendil |
| Auth | OAuth or key | None |
| Pricing | Freemium | Free |
| Licence | Proprietary. The repository holds the README, changelog and examples, with no source and no licence file. Use is under the Google Antigravity Additional Terms of Service, the Google Terms of Service and the Privacy Policy | MIT |
| llms.txt | yes | no |
| Last release | 2026-10-08 | 2026-10-07 |
| Terms last updated |  | no document linked |
| Privacy policy last updated | 2026-10-01 | no document linked |
| Customer content may train models | yes |  |
| Popularity | none | 113k stars, 5.2M npm/wk |