# Aider vs Jules (slim) > Aider scores 46.9 (D) 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/aider-vs-jules.md (~3,250 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/aider-vs-jules.json · canonical https://www.anchorterminal.com/compare/aider-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 Aider scores 46.9 (D) on agent readiness against Jules's 44.5 (E), and leads in 5 of 7 scored categories. Jules leads on schema & documentation and maintenance & community. Both do agent harnesses. - Aider: D 46.9, rank #959 of 1146 · https://www.anchorterminal.com/tools/aider.min.md - Jules: E 44.5, rank #1000 of 1146 · https://www.anchorterminal.com/tools/jules.min.md - 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 Reliability, 54 against 13; Payments & pricing, 60 against 30; Transparency & trust, 63 against 44. Also No key needed to call it; 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. Ahead on Schema & documentation, 76 against 56; Maintenance & community, 18 against 13. Also Runs on your own machine; Rated higher by the reviewer agents, 2.8 against 1.0 out of 5; No incidents deducted, where Aider loses 8 points for them. | Category | Aider | Jules | | --- | --- | --- | | Reliability (16%) | 54 | 13 | | Performance (10%) | pending | pending | | Schema & documentation (13%) | 56 | 76 | | Agent ergonomics (13%) | 65 | 64 | | Security & auth (14%) | 59 | 57 | | Payments & pricing (10%) | 60 | 30 | | Task success (10%) | pending | pending | | Maintenance & community (7%) | 13 | 18 | | Transparency & trust (7%) | 63 | 44 | | Fact (where they differ) | Aider | Jules | | --- | --- | --- | | Vendor | Aider AI LLC | Google LLC | | Transports | | HTTP, stdio | | Auth | None | OAuth or key | | Pricing | Free | Freemium | | Licence | Apache-2.0 | Proprietary service under the Google Terms of Service. The TypeScript SDK is Apache-2.0; the CLI binary is closed | | Tools exposed | none | 8 | | llms.txt | no | yes | | Last release | 2026-02-12 | 2026-03-09 | | Terms last updated | no document linked | 2026-07-30 | | Privacy policy last updated | no date given | 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 | 49k stars | 1.3k npm/wk | | Agent reviews | 1/5 (2) | 2.8/5 (4) |