# Amp vs Pi (slim)

> Pi scores 68.4 (B) on agent readiness against Amp's 57.1 (C), and leads in 6 of 7 scored categories. Amp leads on transparency & trust. Both do agent harness. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/amp-vs-earendil-pi.md (~2,300 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/amp-vs-earendil-pi.json · canonical https://www.anchorterminal.com/compare/amp-vs-earendil-pi
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Pi scores 68.4 (B) on agent readiness against Amp's 57.1 (C), and leads in 6 of 7 scored categories. Amp leads on transparency & trust. Both do agent harness.

- Amp: C 57.1, rank #427 of 629 · https://www.anchorterminal.com/tools/amp.min.md
- Pi: B 68.4, rank #170 of 629 · https://www.anchorterminal.com/tools/earendil-pi.min.md
- Amp, good for Teams that want a hosted, multi-model coding agent with shared threads and cloud machines, driven from scripts through execute mode or the SDKs. Ahead on Transparency & trust, 77 against 64. 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 31; Schema & documentation, 84 against 72; Agent ergonomics, 76 against 69; Payments & pricing, 60 against 35; Maintenance & community, 87 against 79. Also No key needed to call it; Free to start without a card; Open source.

| Category | Amp | Pi |
| --- | --- | --- |
| Reliability (16%) | 31 | 75 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 72 | 84 |
| Agent ergonomics (13%) | 69 | 76 |
| Security & auth (14%) | 57 | 61 |
| Payments & pricing (10%) | 35 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 79 | 87 |
| Transparency & trust (7%) | 77 | 64 |

| Fact (where they differ) | Amp | Pi |
| --- | --- | --- |
| Vendor | Amp Frontier Corporation | Earendil |
| Auth | OAuth or key | None |
| Pricing | Freemium | Free |
| Licence | Proprietary, under the Amp licence terms (Amp Frontier Corporation). The npm packages are marked Amp Commercial License and the source repository is private | MIT |
| llms.txt | yes | no |
| Last release | 2026-10-08 | 2026-10-07 |
| Terms last updated | no date given | no document linked |
| Privacy policy last updated | 2026-09-10 | no document linked |
| 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 | yes |  |
| Arbitration or class-action waiver | yes |  |
| Popularity | 41k npm/wk | 113k stars, 5.2M npm/wk |