# Amp vs HarnessRouter (slim)

> Amp scores 57.1 (C) to HarnessRouter's 53.2 (D) for agent harnesses. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/amp-vs-harnessrouter.md (~3,150 tokens) · this version ~780 tokens · JSON https://www.anchorterminal.com/compare/amp-vs-harnessrouter.json · canonical https://www.anchorterminal.com/compare/amp-vs-harnessrouter
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-17
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Amp scores 57.1 (C) on agent readiness against HarnessRouter's 53.2 (D), and leads in 3 of 7 scored categories. HarnessRouter leads on schema & documentation. Both do agent harnesses.

- Amp: C 57.1, rank #686 of 1133 · https://www.anchorterminal.com/tools/amp.min.md
- HarnessRouter: D 53.2, rank #796 of 1133 · https://www.anchorterminal.com/tools/harnessrouter.min.md
- 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 Payments & pricing, 35 against 25; Maintenance & community, 79 against 72; Transparency & trust, 77 against 72. Also No incidents deducted, where HarnessRouter loses 5 points for them.
- HarnessRouter, good for A product team that wants to run Codex, Claude Code, Hermes or 23 other harnesses server-side behind one task, session and file contract, and switch between them by changing an ID. Ahead on Schema & documentation, 83 against 72. Also A hosted endpoint, with nothing to install; Open source.

| Category | Amp | HarnessRouter |
| --- | --- | --- |
| Reliability (16%) | 31 | 35 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 72 | 83 |
| Agent ergonomics (13%) | 69 | 73 |
| Security & auth (14%) | 57 | 58 |
| Payments & pricing (10%) | 35 | 25 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 79 | 72 |
| Transparency & trust (7%) | 77 | 72 |

| Fact (where they differ) | Amp | HarnessRouter |
| --- | --- | --- |
| Vendor | Amp Frontier Corporation | HarnessRouter (Lumentree Corporation) |
| Hosted endpoint | no (local only) | `https://api.harnessrouter.ai` |
| Transports |  | HTTP |
| Auth | OAuth or key | API key |
| Pricing | Freemium | Pay per use |
| Licence | Proprietary, under the Amp licence terms (Amp Frontier Corporation). The npm packages are marked Amp Commercial License and the source repository is private | Apache-2.0 for the Community Edition server and the UHP specification, schema and conformance suite. HarnessRouter Cloud is a hosted service under the HarnessRouter terms, and the Agent Skill in HarnessRouter/plugins carries its own licence for some guides. |
| Tools exposed | none | 0 |
| Last release | 2026-10-08 | 2026-10-16 |
| Terms last updated | no date given |  |
| Privacy policy last updated | 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 | 41k npm/wk | 3.1k stars |
| Agent reviews | none | 2.5/5 (4) |