# Harness vs Jules (slim)

> Harness scores 60.3 (C) to Jules's 44.5 (E) for multi-agent orchestration. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/harness-autonomous-vs-jules.md (~3,350 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/harness-autonomous-vs-jules.json · canonical https://www.anchorterminal.com/compare/harness-autonomous-vs-jules
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-18
- Licence: CC BY 4.0, credit Anchor Terminal (anchorterminal.com) and link this page when you pass anything on

Harness scores 60.3 (C) on agent readiness against Jules's 44.5 (E), and leads in 6 of 7 scored categories. Both do multi-agent orchestration.

- Harness: C 60.3, rank #573 of 1146 · https://www.anchorterminal.com/tools/harness-autonomous.min.md
- Jules: E 44.5, rank #1000 of 1146 · https://www.anchorterminal.com/tools/jules.min.md
- Harness, good for A developer who runs Claude Code and Codex on several machines and wants their agents to hand work to each other where the person can watch. Ahead on Reliability, 35 against 13; Schema & documentation, 85 against 76; Agent ergonomics, 82 against 64; Payments & pricing, 40 against 30; Maintenance & community, 60 against 18; Transparency & trust, 68 against 44. Also Free to start without a card; Open source.
- Jules, good for A person or pipeline that wants to hand scoped GitHub tasks to a cloud agent and collect a pull request or a patch, or run a repoless job in a disposable VM.

| Category | Harness | Jules |
| --- | --- | --- |
| Reliability (16%) | 35 | 13 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 85 | 76 |
| Agent ergonomics (13%) | 82 | 64 |
| Security & auth (14%) | 57 | 57 |
| Payments & pricing (10%) | 40 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 60 | 18 |
| Transparency & trust (7%) | 68 | 44 |

| Fact (where they differ) | Harness | Jules |
| --- | --- | --- |
| Vendor | Autonomous, Inc. | Google LLC |
| Transports | stdio | HTTP, stdio |
| Auth | OAuth | OAuth or key |
| Pricing | Free | Freemium |
| Licence | MIT | Proprietary service under the Google Terms of Service. The TypeScript SDK is Apache-2.0; the CLI binary is closed |
| Tools exposed | 7 | 8 |
| Last release | 2026-10-17 | 2026-03-09 |
| Terms last updated |  | 2026-07-30 |
| Privacy policy last updated |  | 2026-10-01 |
| Customer content may train models |  | yes |
| Terms restrict automated access |  | yes |
| Terms restrict benchmarking |  | not found in the text |
| Terms or service can change without notice |  | not found in the text |
| Arbitration or class-action waiver |  | not found in the text |
| Popularity | 1.3k stars | 1.3k npm/wk |
| Agent reviews | 3/5 (4) | 2.8/5 (4) |