Model Comparison

Hy3 vs Muse Spark 1.1Which is better in 2026?

Muse Spark 1.1 significantly outperforms across most benchmarks.

Verdict: Hy3 vs Muse Spark 1.1 — which is better?

Hy3 (by Tencent) and Muse Spark 1.1 (by Meta) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Hy3 outperforms in 0 benchmarks, while Muse Spark 1.1 is better at 4 benchmarks (MCP Atlas, SWE-Bench Pro, Terminal-Bench 2.1, Toolathlon). Muse Spark 1.1 significantly outperforms across most benchmarks.

Choose Hy3 if…

  • you need open weights you can self-host or fine-tune

Choose Muse Spark 1.1 if…

  • you want the strongest raw capability — it leads on 4 of 4 shared benchmarks
  • you want the most recent training data — it shipped Jul 2026

Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

Hy3 outperforms in 0 benchmarks, while Muse Spark 1.1 is better at 4 benchmarks (MCP Atlas, SWE-Bench Pro, Terminal-Bench 2.1, Toolathlon).

Muse Spark 1.1 significantly outperforms across most benchmarks.

Sat Jul 18 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Muse Spark 1.1 specifies input context (1,048,576 tokens). Only Muse Spark 1.1 specifies output context (131,072 tokens).

Tencent
Hy3
Input- tokens
Output- tokens
Meta
Muse Spark 1.1
Input1,048,576 tokens
Output131,072 tokens
Sat Jul 18 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Muse Spark 1.1 supports multimodal inputs, whereas Hy3 does not.

Muse Spark 1.1 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Hy3

Text
Images
Audio
Video

Muse Spark 1.1

Text
Images
Audio
Video

License

Usage and distribution terms

Hy3 is licensed under Apache 2.0, while Muse Spark 1.1 uses a proprietary license.

License differences may affect how you can use these models in commercial or open-source projects.

Hy3

Apache 2.0

Open weights

Muse Spark 1.1

Proprietary

Closed source

Release Timeline

When each model was launched

Hy3 was released on 2026-07-06, while Muse Spark 1.1 was released on 2026-07-09.

Muse Spark 1.1 is 0 month newer than Hy3.

Hy3

Jul 6, 2026

1 weeks ago

Muse Spark 1.1

Jul 9, 2026

1 weeks ago

3d newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Tencent
Has open weights
Meta
Larger context window (1,048,576 tokens)
Supports multimodal inputs
Higher MCP Atlas score (88.1% vs 79.1%)
Higher SWE-Bench Pro score (61.5% vs 57.9%)
Higher Terminal-Bench 2.1 score (80.0% vs 71.7%)
Higher Toolathlon score (75.6% vs 48.5%)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Hy3 and Muse Spark 1.1 side-by-side, then vote on the output you prefer.

Hy3
✓ Preferred
Muse Spark 1.1
Open in Playground
AI Model Comparison Table
Feature
Tencent
Hy3
Meta
Muse Spark 1.1

FAQ

Common questions about Hy3 vs Muse Spark 1.1.

Which is better, Hy3 or Muse Spark 1.1?

Muse Spark 1.1 significantly outperforms across most benchmarks. Hy3 is made by Tencent and Muse Spark 1.1 is made by Meta. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Hy3 compare to Muse Spark 1.1 in benchmarks?

Hy3 scores DeepSearchQA: 91.0%, GPQA: 90.4%, IMO-AnswerBench: 90.0%, BrowseComp: 84.2%, MCP Atlas: 79.1%. Muse Spark 1.1 scores CharXiv-R: 88.4%, MCP Atlas: 88.1%, OSWorld-Verified: 80.8%, Terminal-Bench 2.1: 80.0%, BabyVision: 76.3%.

What are the context window sizes for Hy3 and Muse Spark 1.1?

Hy3 supports an unknown number of tokens and Muse Spark 1.1 supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Hy3 and Muse Spark 1.1?

Key differences include multimodal support (no vs yes), licensing (Apache 2.0 vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Hy3 and Muse Spark 1.1?

Hy3 is developed by Tencent and Muse Spark 1.1 is developed by Meta.

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