# Muse Code vs Prime Agent (slim)

> Muse Code and Prime Agent score within a point of each other for agent harnesses, 61.3 and 60.5 out of 100. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/muse-code-vs-prime-agent.md (~2,800 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/muse-code-vs-prime-agent.json · canonical https://www.anchorterminal.com/compare/muse-code-vs-prime-agent
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-12

Muse Code and Prime Agent score within a point of each other on agent readiness, 61.3 (C) and 60.5 (C). Prime Agent leads on reliability, payments & pricing and transparency & trust. Both do agent harnesses.

- Muse Code: C 61.3, rank #487 of 993 · https://www.anchorterminal.com/tools/muse-code.min.md
- Prime Agent: C 60.5, rank #526 of 993 · https://www.anchorterminal.com/tools/prime-agent.min.md
- 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 Schema & documentation, 84 against 42; Agent ergonomics, 79 against 73; Security & auth, 67 against 50.
- 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 45; Payments & pricing, 60 against 20; Transparency & trust, 64 against 57. Also No key needed to call it; Free to start without a card; Open source.

| Category | Muse Code | Prime Agent |
| --- | --- | --- |
| Reliability (16%) | 45 | 65 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 84 | 42 |
| Agent ergonomics (13%) | 79 | 73 |
| Security & auth (14%) | 67 | 50 |
| Payments & pricing (10%) | 20 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 75 | 79 |
| Transparency & trust (7%) | 57 | 64 |

| Fact (where they differ) | Muse Code | Prime Agent |
| --- | --- | --- |
| Vendor | Meta | Prime Intellect |
| Auth | OAuth or key | None |
| Pricing | Paid | Free |
| Licence | 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. | MIT |
| Read-only variant documented | yes | no |
| llms.txt | yes | no |
| Last release | 2026-10-11 | 2026-10-07 |
| Terms last updated |  | no date given |
| Privacy policy last updated | couldn't be read | no date given |
| Customer content may train models |  | not found in the text |
| Terms restrict automated access |  | yes |
| Terms restrict benchmarking |  | yes |
| Terms or service can change without notice |  | yes |
| Arbitration or class-action waiver |  | yes |
| Popularity | 63k npm/wk | 22k stars |