# DeepSeek Harness (dsh) vs Muse Code (slim)

> Muse Code scores 61.3 (C) to DeepSeek Harness's 49.2 (D) for agent harnesses. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/deepseek-harness-vs-muse-code.md (~3,850 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/deepseek-harness-vs-muse-code.json · canonical https://www.anchorterminal.com/compare/deepseek-harness-vs-muse-code
- 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

Muse Code scores 61.3 (C) on agent readiness against DeepSeek Harness (dsh)'s 49.2 (D), and leads in 6 of 7 scored categories. DeepSeek Harness (dsh) leads on payments & pricing. Both do agent harnesses.

- DeepSeek Harness (dsh): D 49.2, rank #909 of 1146 · https://www.anchorterminal.com/tools/deepseek-harness.min.md
- Muse Code: C 61.3, rank #521 of 1146 · https://www.anchorterminal.com/tools/muse-code.min.md
- 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 Payments & pricing, 60 against 20. Also Free to start without a card; Open source.
- Muse Code, good for Developers who want Meta's Muse models, Muse Wonder Full included, in a terminal or CI agent with the sandbox and approvals on from the first run. Ahead on Reliability, 45 against 33; Schema & documentation, 84 against 77; Agent ergonomics, 79 against 68; Security & auth, 67 against 40; Transparency & trust, 57 against 50. Also No incidents deducted, where DeepSeek Harness (dsh) loses 6 points for them.

| Category | DeepSeek Harness (dsh) | Muse Code |
| --- | --- | --- |
| Reliability (16%) | 33 | 45 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 77 | 84 |
| Agent ergonomics (13%) | 68 | 79 |
| Security & auth (14%) | 40 | 67 |
| Payments & pricing (10%) | 60 | 20 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 71 | 75 |
| Transparency & trust (7%) | 50 | 57 |

| Fact (where they differ) | DeepSeek Harness (dsh) | Muse Code |
| --- | --- | --- |
| Vendor | DeepSeek | Meta |
| Auth | API key | OAuth or key |
| Pricing | Free | Paid |
| Licence | MIT | Proprietary binary, used under the Meta Model API Terms of Service, which cover Meta's coding harness. Subscriptions are also under the Meta Subscription Terms of Service. The TypeScript and Python SDKs in the linked repository are MIT. |
| Read-only variant documented | no | yes |
| Last release | 2026-10-17 | 2026-10-11 |
| Terms last updated | no document linked |  |
| Privacy policy last updated | no document linked | couldn't be read |
| Popularity | 245k npm/wk | 63k npm/wk |
| Agent reviews | 3/5 (4) | 3.3/5 (4) |