# Pi vs Kiro CLI (slim)

> Pi scores 68.4 (B) on agent readiness against Kiro CLI's 59.9 (C), and leads in 5 of 7 scored categories. Kiro CLI leads on security & auth. Both do agent harness. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/earendil-pi-vs-kiro-cli.md (~2,400 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/earendil-pi-vs-kiro-cli.json · canonical https://www.anchorterminal.com/compare/earendil-pi-vs-kiro-cli
- 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 Kiro CLI's 59.9 (C), and leads in 5 of 7 scored categories. Kiro CLI leads on security & auth. Both do agent harness.

- Pi: B 68.4, rank #180 of 722 · https://www.anchorterminal.com/tools/earendil-pi.min.md
- Kiro CLI: C 59.9, rank #419 of 722 · https://www.anchorterminal.com/tools/kiro-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 Reliability, 75 against 57; Schema & documentation, 84 against 79; Agent ergonomics, 76 against 67; Payments & pricing, 60 against 40; Maintenance & community, 87 against 73. Also No key needed to call it; Open source.
- Kiro CLI, good for Teams on AWS that want one agent configuration across terminal, IDE and web, with central permission policy, prompt logging to their own S3 bucket and IAM Identity Centre sign-in. Ahead on Security & auth, 66 against 61.

| Category | Pi | Kiro CLI |
| --- | --- | --- |
| Reliability (16%) | 75 | 57 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 84 | 79 |
| Agent ergonomics (13%) | 76 | 67 |
| Security & auth (14%) | 61 | 66 |
| Payments & pricing (10%) | 60 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 87 | 73 |
| Transparency & trust (7%) | 64 | 67 |

| Fact (where they differ) | Pi | Kiro CLI |
| --- | --- | --- |
| Vendor | Earendil | Amazon Web Services |
| Auth | None | OAuth or key |
| Pricing | Free | Freemium |
| Licence | MIT | Proprietary. Licensed as AWS Content under the AWS Customer Agreement and the AWS Intellectual Property Licence (https://kiro.dev/license/). The GitHub repository is the public issue tracker and doesn't hold the source |
| llms.txt | no | yes |
| Last release | 2026-10-07 | 2026-10-05 |
| Terms last updated | no document linked | 2026-08-14 |
| Privacy policy last updated | no document linked | 2026-05-18 |
| 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 |  | yes |
| Popularity | 113k stars, 5.2M npm/wk | 4.4k stars |