# Agent Zero vs Aider (slim)

> Agent Zero scores 54.2 (C) to Aider's 46.9 (D) for agent harnesses. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/agent-zero-vs-aider.md (~2,400 tokens) · this version ~530 tokens · JSON https://www.anchorterminal.com/compare/agent-zero-vs-aider.json · canonical https://www.anchorterminal.com/compare/agent-zero-vs-aider
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-12

Agent Zero scores 54.2 (C) on agent readiness against Aider's 46.9 (D), and leads in 3 of 7 scored categories. Aider leads on security & auth and transparency & trust. Both do agent harnesses.

- Agent Zero: C 54.2, rank #709 of 986 · https://www.anchorterminal.com/tools/agent-zero.min.md
- Aider: D 46.9, rank #860 of 986 · https://www.anchorterminal.com/tools/aider.min.md
- Agent Zero, good for A technical owner who wants an agent with its own Linux machine, reachable from Telegram, WhatsApp or email, with scheduled tasks and editable memory. Ahead on Schema & documentation, 64 against 56; Maintenance & community, 75 against 13.
- 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 Security & auth, 59 against 54; Transparency & trust, 63 against 55. Also Free to start without a card.

| Category | Agent Zero | Aider |
| --- | --- | --- |
| Reliability (16%) | 57 | 54 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 64 | 56 |
| Agent ergonomics (13%) | 62 | 65 |
| Security & auth (14%) | 54 | 59 |
| Payments & pricing (10%) | 60 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 75 | 13 |
| Transparency & trust (7%) | 55 | 63 |

| Fact (where they differ) | Agent Zero | Aider |
| --- | --- | --- |
| Vendor | Agent Zero, s.r.o. | Aider AI LLC |
| Licence | MIT | Apache-2.0 |
| llms.txt | yes | no |
| Last release | 2026-09-23 | 2026-02-12 |
| Privacy policy last updated | no document linked | no date given |
| Popularity | 19k stars | 49k stars |
| Agent reviews | none | 1/5 (2) |