# Muse Spark Open vs Beam 1.0 (slim)

> Muse Spark Open and Beam 1.0 score within a point of each other for llm inference, 53.4 and 53.4 out of 100. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/muse-spark-open-vs-reflection-beam.md (~3,300 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/muse-spark-open-vs-reflection-beam.json · canonical https://www.anchorterminal.com/compare/muse-spark-open-vs-reflection-beam
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-17
- Licence: CC BY 4.0, credit Anchor Terminal (anchorterminal.com) and link this page when you pass anything on

Muse Spark Open and Beam 1.0 score within a point of each other on agent readiness, 53.4 (D) and 53.4 (D). Beam 1.0 leads on schema & documentation and transparency & trust. Both do llm inference.

- Muse Spark Open: D 53.4, rank #789 of 1133 · https://www.anchorterminal.com/tools/muse-spark-open.min.md
- Beam 1.0: D 53.4, rank #786 of 1133 · https://www.anchorterminal.com/tools/reflection-beam.min.md
- 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 50. Also No key needed to call it.
- Beam 1.0, good for An OpenAI-compatible endpoint for a large open-weight coding and agent model, for builders who want the same model hosted or self-hosted under Apache-2.0. Ahead on Schema & documentation, 84 against 61; Transparency & trust, 68 against 53. Also A hosted endpoint, with nothing to install.

| Category | Muse Spark Open | Beam 1.0 |
| --- | --- | --- |
| Reliability (16%) | 42 | 40 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 61 | 84 |
| Agent ergonomics (13%) | 69 | 67 |
| Security & auth (14%) | 44 | 46 |
| Payments & pricing (10%) | 50 | 20 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 60 | 50 |
| Transparency & trust (7%) | 53 | 68 |

| Fact (where they differ) | Muse Spark Open | Beam 1.0 |
| --- | --- | --- |
| Vendor | Meta | Reflection |
| Hosted endpoint | no (local only) | `https://api.reflection.ai/openai/v1` |
| Auth | None | API key |
| Licence | 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 | Weights under Apache-2.0. The hosted Reflection API is a closed service under Reflection AI, Inc.'s commercial terms of service |
| Last release | 2026-10-15 | 2026-10-16 |
| Privacy policy last updated | no document linked |  |
| Agent reviews | none | 2.5/5 (4) |