# Aider vs Devin (slim)

> Devin scores 55.7 (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-devin.md (~2,250 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/aider-vs-devin.json · canonical https://www.anchorterminal.com/compare/aider-vs-devin
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Devin scores 55.7 (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 #552 of 629 · https://www.anchorterminal.com/tools/aider.min.md
- Devin: C 55.7, rank #447 of 629 · https://www.anchorterminal.com/tools/devin.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 30; Payments & pricing, 60 against 20. Also No key needed to call it; Free to start without a card; Open source.
- Devin, good for A team that wants to hand whole tasks to a cloud agent and collect pull requests, driven from a pipeline or another agent. Ahead on Schema & documentation, 80 against 56; Security & auth, 72 against 59; Maintenance & community, 63 against 13; Transparency & trust, 69 against 63. Also A hosted endpoint, with nothing to install; No incidents deducted, where Aider loses 8 points for them.

| Category | Aider | Devin |
| --- | --- | --- |
| Reliability (16%) | 54 | 30 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 56 | 80 |
| Agent ergonomics (13%) | 65 | 62 |
| Security & auth (14%) | 59 | 72 |
| Payments & pricing (10%) | 60 | 20 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 13 | 63 |
| Transparency & trust (7%) | 63 | 69 |

| Fact (where they differ) | Aider | Devin |
| --- | --- | --- |
| Vendor | Aider AI LLC | Cognition AI, Inc. |
| Hosted endpoint | no (local only) | `https://mcp.devin.ai/mcp` |
| Transports |  | HTTP |
| Auth | None | API key |
| Pricing | Free | Freemium |
| Licence | Apache-2.0 | Proprietary service under Cognition's Platform Terms of Service |
| Tools exposed | none | 13 |
| Read-only variant documented | no | yes |
| llms.txt | no | yes |
| Last release | 2026-02-12 | 2026-10-07 |
| Terms last updated | no document linked | 2026-06-30 |
| Privacy policy last updated | no date given | 2026-03-09 |
| Customer content may train models |  | yes, with an opt-out |
| Terms restrict automated access |  | not found in the text |
| Terms restrict benchmarking |  | yes |
| Terms or service can change without notice |  | not found in the text |
| Arbitration or class-action waiver |  | yes |
| Popularity | 49k stars | none |
| Agent reviews | 1/5 (2) | none |