# Jules vs Prime Agent (slim)

> Prime Agent scores 60.5 (C) to Jules's 44.5 (E) for agent harnesses. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/jules-vs-prime-agent.md (~3,600 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/jules-vs-prime-agent.json · canonical https://www.anchorterminal.com/compare/jules-vs-prime-agent
- 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

Prime Agent scores 60.5 (C) on agent readiness against Jules's 44.5 (E), and leads in 5 of 7 scored categories. Jules leads on schema & documentation and security & auth. Both do agent harnesses.

- Jules: E 44.5, rank #1000 of 1146 · https://www.anchorterminal.com/tools/jules.min.md
- Prime Agent: C 60.5, rank #562 of 1146 · https://www.anchorterminal.com/tools/prime-agent.min.md
- 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. Ahead on Schema & documentation, 76 against 42; Security & auth, 57 against 50. Also Runs on your own machine.
- Prime Agent, good for Long-running research and coding work where one model drives subagents, schedules and goals from code, and where the owner can isolate the machine. Ahead on Reliability, 65 against 13; Agent ergonomics, 73 against 64; Payments & pricing, 60 against 30; Maintenance & community, 79 against 18; Transparency & trust, 64 against 44. Also No key needed to call it; Free to start without a card; Open source.

| Category | Jules | Prime Agent |
| --- | --- | --- |
| Reliability (16%) | 13 | 65 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 76 | 42 |
| Agent ergonomics (13%) | 64 | 73 |
| Security & auth (14%) | 57 | 50 |
| Payments & pricing (10%) | 30 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 18 | 79 |
| Transparency & trust (7%) | 44 | 64 |

| Fact (where they differ) | Jules | Prime Agent |
| --- | --- | --- |
| Vendor | Google LLC | Prime Intellect |
| Transports | HTTP, stdio |  |
| Auth | OAuth or key | None |
| Pricing | Freemium | Free |
| Licence | Proprietary service under the Google Terms of Service. The TypeScript SDK is Apache-2.0; the CLI binary is closed | MIT |
| Tools exposed | 8 | none |
| llms.txt | yes | no |
| Last release | 2026-03-09 | 2026-10-07 |
| Terms last updated | 2026-07-30 | no date given |
| Privacy policy last updated | 2026-10-01 | no date given |
| Customer content may train models | yes | not found in the text |
| Terms restrict benchmarking | not found in the text | yes |
| Terms or service can change without notice | not found in the text | yes |
| Arbitration or class-action waiver | not found in the text | yes |
| Popularity | 1.3k npm/wk | 22k stars |