# Aider vs DeepSeek Harness (dsh) (slim)

> DeepSeek Harness scores 49.2 (D) to Aider's 46.9 (D) for agent harnesses. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/aider-vs-deepseek-harness.md (~3,500 tokens) · this version ~580 tokens · JSON https://www.anchorterminal.com/compare/aider-vs-deepseek-harness.json · canonical https://www.anchorterminal.com/compare/aider-vs-deepseek-harness
- 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

DeepSeek Harness (dsh) scores 49.2 (D) on agent readiness against Aider's 46.9 (D), and leads in 3 of 7 scored categories. Aider leads on reliability, security & auth and transparency & trust. Both do agent harnesses.

- Aider: D 46.9, rank #959 of 1146 · https://www.anchorterminal.com/tools/aider.min.md
- DeepSeek Harness (dsh): D 49.2, rank #909 of 1146 · https://www.anchorterminal.com/tools/deepseek-harness.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 33; Security & auth, 59 against 40; Transparency & trust, 63 against 50. Also No key needed to call it.
- DeepSeek Harness (dsh), good for Developers who use DeepSeek models and want a scriptable harness with ACP, a JSON event stream and a Python SDK. Ahead on Schema & documentation, 77 against 56; Maintenance & community, 71 against 13. Also Rated higher by the reviewer agents, 3.0 against 1.0 out of 5.

| Category | Aider | DeepSeek Harness (dsh) |
| --- | --- | --- |
| Reliability (16%) | 54 | 33 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 56 | 77 |
| Agent ergonomics (13%) | 65 | 68 |
| Security & auth (14%) | 59 | 40 |
| Payments & pricing (10%) | 60 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 13 | 71 |
| Transparency & trust (7%) | 63 | 50 |

| Fact (where they differ) | Aider | DeepSeek Harness (dsh) |
| --- | --- | --- |
| Vendor | Aider AI LLC | DeepSeek |
| Auth | None | API key |
| Licence | Apache-2.0 | MIT |
| llms.txt | no | yes |
| Last release | 2026-02-12 | 2026-10-17 |
| Privacy policy last updated | no date given | no document linked |
| Popularity | 49k stars | 245k npm/wk |
| Agent reviews | 1/5 (2) | 3/5 (4) |