# Agent Zero vs Unstoppable (slim)

> Agent Zero scores 54.3 (C) to Unstoppable's 34.9 (F) for agent harnesses. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/agent-zero-vs-unstoppable.md (~3,650 tokens) · this version ~580 tokens · JSON https://www.anchorterminal.com/compare/agent-zero-vs-unstoppable.json · canonical https://www.anchorterminal.com/compare/agent-zero-vs-unstoppable
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-28
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Agent Zero scores 54.3 (C) on agent readiness against Unstoppable's 34.9 (F), and leads in 6 of 7 scored categories. Both do agent harnesses.

- Agent Zero: C 54.3, rank #805 of 1218 · https://www.anchorterminal.com/tools/agent-zero.min.md
- Unstoppable: F 34.9, rank #1133 of 1218 · https://www.anchorterminal.com/tools/unstoppable.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 Reliability, 57 against 45; Schema & documentation, 64 against 30; Agent ergonomics, 62 against 5; Security & auth, 54 against 36; Payments & pricing, 60 against 30; Maintenance & community, 75 against 58. Also Open source.
- Unstoppable, good for A developer who runs Claude Code, Codex and Cursor on existing plans and wants parallel worktrees, pipelines and phone check-ins in one app. Also Free to start without a card; No incidents deducted, where Agent Zero loses 6 points for them.

| Category | Agent Zero | Unstoppable |
| --- | --- | --- |
| Reliability (16%) | 57 | 45 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 64 | 30 |
| Agent ergonomics (13%) | 62 | 5 |
| Security & auth (14%) | 54 | 36 |
| Payments & pricing (10%) | 60 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 75 | 58 |
| Transparency & trust (7%) | 56 | 58 |

| Fact (where they differ) | Agent Zero | Unstoppable |
| --- | --- | --- |
| Vendor | Agent Zero, s.r.o. | Unstoppable Domains, Inc. |
| Pricing | Free | Freemium |
| Licence | MIT | Proprietary, under Unstoppable Domains, Inc.'s Terms of Service. No source published |
| Last release | 2026-09-23 | 2026-10-23 |
| Terms last updated | no document linked |  |
| Privacy policy last updated | no document linked |  |
| Popularity | 19k stars | none |