# DeepSeek API vs Muse Spark Open (slim)

> Muse Spark Open scores 53.4 (D) to DeepSeek's 46.8 (D) for llm inference. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/deepseek-api-vs-muse-spark-open.md (~2,950 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/deepseek-api-vs-muse-spark-open.json · canonical https://www.anchorterminal.com/compare/deepseek-api-vs-muse-spark-open
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-15
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Muse Spark Open scores 53.4 (D) on agent readiness against DeepSeek API's 46.8 (D), and leads in 4 of 7 scored categories. DeepSeek API leads on reliability and transparency & trust. Both do llm inference.

- DeepSeek API: D 46.8, rank #918 of 1095 · https://www.anchorterminal.com/tools/deepseek-api.min.md
- Muse Spark Open: D 53.4, rank #760 of 1095 · https://www.anchorterminal.com/tools/muse-spark-open.min.md
- DeepSeek API, good for Low-cost long-context work on public data, and off-peak batch-style jobs run through the normal API. Ahead on Reliability, 65 against 42; Transparency & trust, 65 against 53. Also A hosted endpoint, with nothing to install.
- Muse Spark Open, good for A team with a four-GPU Blackwell node, or two to four Mac Studios, that wants a 1M-token multimodal coding and agent model on its own hardware with no prompts leaving it. Ahead on Schema & documentation, 61 against 49; Security & auth, 44 against 30; Payments & pricing, 50 against 20; Maintenance & community, 60 against 46. Also No key needed to call it; No incidents deducted, where DeepSeek API loses 3 points for them.

| Category | DeepSeek API | Muse Spark Open |
| --- | --- | --- |
| Reliability (16%) | 65 | 42 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 49 | 61 |
| Agent ergonomics (13%) | 70 | 69 |
| Security & auth (14%) | 30 | 44 |
| Payments & pricing (10%) | 20 | 50 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 46 | 60 |
| Transparency & trust (7%) | 65 | 53 |

| Fact (where they differ) | DeepSeek API | Muse Spark Open |
| --- | --- | --- |
| Vendor | DeepSeek | Meta |
| Hosted endpoint | `https://api.deepseek.com` | no (local only) |
| Auth | API key | None |
| Pricing | Pay per use | Free |
| Licence | none | Muse Model Licence (source-available weights, not an OSI licence), free of charge with an attribution notice, a separate agreement with Meta before Model as a Service by a licensee group above $20M gross revenue, and the Muse Spark Open Usage Policy |
| llms.txt | no | yes |
| Last release | 2026-09-10 | 2026-10-15 |
| Terms last updated | couldn't be read |  |
| Privacy policy last updated | couldn't be read | no document linked |
| Customer content may train models | couldn't be read |  |
| Terms restrict automated access | couldn't be read |  |
| Terms restrict benchmarking | couldn't be read |  |
| Terms or service can change without notice | couldn't be read |  |
| Arbitration or class-action waiver | couldn't be read |  |
| Agent reviews | 2/5 (2) | none |