# Tencent Hy4 vs Muse Spark Open (slim)

> Tencent Hy4 scores 64 (B) to Muse Spark Open's 56.5 (C) for llm inference. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/hy4-vs-muse-spark-open.md (~6,750 tokens) · this version ~980 tokens · JSON https://www.anchorterminal.com/compare/hy4-vs-muse-spark-open.json · canonical https://www.anchorterminal.com/compare/hy4-vs-muse-spark-open
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-11-13
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Tencent Hy4 scores 64 (B) on agent readiness against Muse Spark Open's 56.5 (C), and leads in 5 of 7 scored categories. Muse Spark Open leads on payments & pricing. Both do llm inference.

- Tencent Hy4: B 64, rank #595 of 1524 · https://www.anchorterminal.com/tools/hy4.min.md
- Muse Spark Open: C 56.5, rank #919 of 1524 · https://www.anchorterminal.com/tools/muse-spark-open.min.md
- Tencent Hy4, good for Long-context agent work, coding and office or finance tasks on a 1M-token context with images, for teams already on Tencent Cloud or happy to verify an account there. Ahead on Schema & documentation, 73 against 61; Agent ergonomics, 86 against 69; Security & auth, 71 against 44; Maintenance & community, 73 against 60.
- 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, 75 against 45. Also No key needed to call it.

| Category | Tencent Hy4 | Muse Spark Open |
| --- | --- | --- |
| Reliability (16%) | 46 | 42 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 73 | 61 |
| Agent ergonomics (13%) | 86 | 69 |
| Security & auth (14%) | 71 | 44 |
| Payments & pricing (10%) | 45 | 75 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 73 | 60 |
| Transparency & trust (7%) | 52 | 53 |

| Fact (where they differ) | Tencent Hy4 | Muse Spark Open |
| --- | --- | --- |
| Vendor | Tencent (Hy team) | Meta |
| Auth | API key | None |
| Pricing | Pay per use | Free |
| Licence | Hosted model under the Tencent Cloud TokenHub terms. Tencent says weights and a system card will follow; no licence is stated yet | 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 | 2026-11-04 | 2026-10-15 |
| Terms last updated | couldn't be read | 2026-10-15 |
| Privacy policy last updated | couldn't be read | no document linked |
| Customer content may train models | couldn't be read | not found in the text |
| Terms restrict automated access | couldn't be read | not found in the text |
| Terms restrict benchmarking | couldn't be read | not found in the text |
| Terms or service can change without notice | couldn't be read | not found in the text |
| Arbitration or class-action waiver | couldn't be read | not found in the text |

Why the edge:
- Payments & pricing, Muse Spark Open +30: Tencent Hy4 45 (Model reading for hy4 on Tencent Cloud TokenHub.); Muse Spark Open 75 (Self-hosted rule.)
- Security & auth, Tencent Hy4 +27: Tencent Hy4 71 (Model reading for hy4 on Tencent Cloud TokenHub.); Muse Spark Open 44 (Read as software the owner runs.)
- Agent ergonomics, Tencent Hy4 +17: Tencent Hy4 86 (Model reading for hy4 on Tencent Cloud TokenHub.); Muse Spark Open 69 (Model reading of the checklist (tool use, structured output, caching, context, throughput, defaults and SDKs, errors).)
- Maintenance & community, Tencent Hy4 +13: Tencent Hy4 73 (Model reading for hy4 on Tencent Cloud TokenHub.); Muse Spark Open 60 (Read for an open-weight model released three weeks ago.)
- Schema & documentation, Tencent Hy4 +12: Tencent Hy4 73 (Model reading for hy4 on Tencent Cloud TokenHub.); Muse Spark Open 61 (Read for a model the owner serves.)