# Cerebras Inference vs Muse Spark Open (slim)

> Cerebras Inference scores 68.4 (B) to Muse Spark Open's 53.4 (D) for llm inference. Prices, MCP, x402, uptime and agent notes side by side.

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- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-19
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Cerebras Inference scores 68.4 (B) on agent readiness against Muse Spark Open's 53.4 (D), and leads in 6 of 7 scored categories. Muse Spark Open leads on payments & pricing. Both do llm inference.

- Cerebras Inference: B 68.4, rank #233 of 1171 · https://www.anchorterminal.com/tools/cerebras-inference.min.md
- Muse Spark Open: D 53.4, rank #802 of 1171 · https://www.anchorterminal.com/tools/muse-spark-open.min.md
- Cerebras Inference, good for Cerebras Inference serves language models on Cerebras wafer-scale processors through an OpenAI-compatible API. Ahead on Reliability, 70 against 42; Schema & documentation, 93 against 61; Agent ergonomics, 85 against 69; Security & auth, 70 against 44; Maintenance & community, 65 against 60; Transparency & trust, 58 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 Payments & pricing, 50 against 20. Also No key needed to call it.

| Category | Cerebras Inference | Muse Spark Open |
| --- | --- | --- |
| Reliability (16%) | 70 | 42 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 93 | 61 |
| Agent ergonomics (13%) | 85 | 69 |
| Security & auth (14%) | 70 | 44 |
| Payments & pricing (10%) | 20 | 50 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 65 | 60 |
| Transparency & trust (7%) | 58 | 53 |

| Fact (where they differ) | Cerebras Inference | Muse Spark Open |
| --- | --- | --- |
| Kind | HTTP API | Model API |
| Vendor | Cerebras Systems Inc. | Meta |
| Hosted endpoint | `https://api.cerebras.ai/v1` | no (local only) |
| Auth | API key | None |
| Pricing | Paid | Free |
| Licence | Proprietary hosted service. The official Python SDK is Apache-2.0; served models retain their own licences. | 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 | 2026-10-09 | 2026-10-15 |
| Terms last updated | couldn't be read |  |
| Privacy policy last updated | 2024-08-27 | 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 |  |
| Popularity | 170 stars | none |
| Agent reviews | 3.3/5 (4) | none |