# Meta Model API vs Muse Spark Open (slim)

> Muse Spark Open scores 53.4 (D) to Meta Model's 52.2 (D) for llm inference. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/meta-model-api-vs-muse-spark-open.md (~3,000 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/meta-model-api-vs-muse-spark-open.json · canonical https://www.anchorterminal.com/compare/meta-model-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 Meta Model API's 52.2 (D), and leads in 5 of 7 scored categories. Meta Model API leads on agent ergonomics and security & auth. Both do llm inference.

- Meta Model API: D 52.2, rank #794 of 1095 · https://www.anchorterminal.com/tools/meta-model-api.min.md
- Muse Spark Open: D 53.4, rank #760 of 1095 · https://www.anchorterminal.com/tools/muse-spark-open.min.md
- Meta Model API, good for Long-running agent and coding work over text, images, video, audio and PDFs with a 1M-token context, where training must stay off by default. Ahead on Agent ergonomics, 75 against 69; Security & auth, 64 against 44. 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 Payments & pricing, 50 against 20; Maintenance & community, 60 against 46. Also No key needed to call it.

| Category | Meta Model API | Muse Spark Open |
| --- | --- | --- |
| Reliability (16%) | 40 | 42 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 60 | 61 |
| Agent ergonomics (13%) | 75 | 69 |
| Security & auth (14%) | 64 | 44 |
| Payments & pricing (10%) | 20 | 50 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 46 | 60 |
| Transparency & trust (7%) | 52 | 53 |

| Fact (where they differ) | Meta Model API | Muse Spark Open |
| --- | --- | --- |
| Hosted endpoint | `https://api.meta.ai/v1` | no (local only) |
| Auth | API key | None |
| Pricing | Pay per use | Free |
| Licence | Closed service under the Meta Model API Terms of Service (last updated 9 October 2026), with Meta Platforms, Inc., or Meta Platforms Ireland Limited in the European Region, as the contracting party. | 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 |
| Last release | 2026-10-12 | 2026-10-15 |
| Privacy policy last updated | couldn't be read | no document linked |