Hy3 vs Muse Spark 1.2
Hy3 and Muse Spark 1.2 are closely matched at 42.9 and 41.1 on the LLM Stats Score.
Tencent · Meta · Updated for 2026
Which is better?
Hy3 and Muse Spark 1.2 are closely matched on the overall LLM Stats Score at 42.9 and 41.1.
In the 1 individual benchmarks reported for both models, Muse Spark 1.2 wins 1; this is a narrower head-to-head signal than the composite indexes.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Hy3
- you need open weights you can self-host or fine-tune
Choose Muse Spark 1.2
- you value its reported benchmark strengths — it wins 1 of 1 exact shared results
- you want the most recent training data — it shipped Aug 2026
At a glance
The differences that matter most.
Individual benchmarks
31 reported for Hy3 · 3 for Muse Spark 1.2
Hy3 outperforms in 0 benchmarks, while Muse Spark 1.2 is better at 1 benchmark (Terminal-Bench 2.1).
Muse Spark 1.2 significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Context Window
Maximum input and output token capacity
Only Muse Spark 1.2 specifies input context (1,048,576 tokens). Only Muse Spark 1.2 specifies output context (131,072 tokens).
Input capabilities
Documented input modalities across available providers
Muse Spark 1.2 supports multimodal inputs, whereas Hy3 does not.
Muse Spark 1.2 can handle both text and other forms of data like images, making it suitable for multimodal applications.
Hy3
Muse Spark 1.2
License
Usage and distribution terms
Hy3 is licensed under Apache 2.0, while Muse Spark 1.2 uses a proprietary license.
License differences may affect how you can use these models in commercial or open-source projects.
Apache 2.0
Open weights
Proprietary
Closed source
Release Timeline
When each model was launched
Hy3 was released on 2026-07-06, while Muse Spark 1.2 was released on 2026-08-05.
Muse Spark 1.2 is 1 month newer than Hy3.
Jul 6, 2026
1 months ago
Aug 5, 2026
3 weeks ago
1mo newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Outputs Comparison
Judge for yourself.
Run your own prompts against Hy3 and Muse Spark 1.2 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Hy3 vs Muse Spark 1.2.