# Aider vs Amp (slim)

> Amp scores 57.1 (C) on agent readiness against Aider's 46.9 (D), and leads in 4 of 7 scored categories. Aider leads on reliability and payments & pricing. Both do agent harness. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/aider-vs-amp.md (~2,200 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/aider-vs-amp.json · canonical https://www.anchorterminal.com/compare/aider-vs-amp
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Amp scores 57.1 (C) on agent readiness against Aider's 46.9 (D), and leads in 4 of 7 scored categories. Aider leads on reliability and payments & pricing. Both do agent harness.

- Aider: D 46.9, rank #636 of 722 · https://www.anchorterminal.com/tools/aider.min.md
- Amp: C 57.1, rank #482 of 722 · https://www.anchorterminal.com/tools/amp.min.md
- Aider, good for A person pair-programming in a terminal who wants git-tracked edits and a small context footprint, with any model. Ahead on Reliability, 54 against 31; Payments & pricing, 60 against 35. Also No key needed to call it; Free to start without a card; Open source.
- 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 Schema & documentation, 72 against 56; Maintenance & community, 79 against 13; Transparency & trust, 77 against 63. Also No incidents deducted, where Aider loses 8 points for them.

| Category | Aider | Amp |
| --- | --- | --- |
| Reliability (16%) | 54 | 31 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 56 | 72 |
| Agent ergonomics (13%) | 65 | 69 |
| Security & auth (14%) | 59 | 57 |
| Payments & pricing (10%) | 60 | 35 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 13 | 79 |
| Transparency & trust (7%) | 63 | 77 |

| Fact (where they differ) | Aider | Amp |
| --- | --- | --- |
| Vendor | Aider AI LLC | Amp Frontier Corporation |
| Auth | None | OAuth or key |
| Pricing | Free | Freemium |
| Licence | Apache-2.0 | Proprietary, under the Amp licence terms (Amp Frontier Corporation). The npm packages are marked Amp Commercial License and the source repository is private |
| llms.txt | no | yes |
| Last release | 2026-02-12 | 2026-10-08 |
| Terms last updated | no document linked | no date given |
| Privacy policy last updated | no date given | 2026-09-10 |
| 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 | 49k stars | 41k npm/wk |
| Agent reviews | 1/5 (2) | none |