Model Comparison

GLM-5 vs Muse Spark 1.1Which is better in 2026?

Muse Spark 1.1 significantly outperforms across most benchmarks.

Verdict: GLM-5 vs Muse Spark 1.1 — which is better?

GLM-5 (by Zhipu AI) 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.

GLM-5 outperforms in 0 benchmarks, while Muse Spark 1.1 is better at 1 benchmark (MCP Atlas). Muse Spark 1.1 significantly outperforms across most benchmarks.

Choose GLM-5 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 1 of 1 shared benchmarks
  • you want the most recent training data — it shipped Jul 2026

Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

GLM-5 outperforms in 0 benchmarks, while Muse Spark 1.1 is better at 1 benchmark (MCP Atlas).

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 GLM-5 specifies input context (200,000 tokens). Only GLM-5 specifies output context (128,000 tokens).

Zhipu AI
GLM-5
Input200,000 tokens
Output128,000 tokens
Meta
Muse Spark 1.1
Input- tokens
Output- tokens
Sat Jul 18 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Muse Spark 1.1 supports multimodal inputs, whereas GLM-5 does not.

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

GLM-5

Text
Images
Audio
Video

Muse Spark 1.1

Text
Images
Audio
Video

License

Usage and distribution terms

GLM-5 is licensed under MIT, 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.

GLM-5

MIT

Open weights

Muse Spark 1.1

Proprietary

Closed source

Release Timeline

When each model was launched

GLM-5 was released on 2026-02-11, while Muse Spark 1.1 was released on 2026-07-09.

Muse Spark 1.1 is 5 months newer than GLM-5.

GLM-5

Feb 11, 2026

5 months ago

Muse Spark 1.1

Jul 9, 2026

1 weeks ago

4mo 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

Zhipu AI
Larger context window (200,000 tokens)
Has open weights
Meta
Supports multimodal inputs
Higher MCP Atlas score (88.1% vs 67.8%)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against GLM-5 and Muse Spark 1.1 side-by-side, then vote on the output you prefer.

GLM-5
✓ Preferred
Muse Spark 1.1
Open in Playground
AI Model Comparison Table
Feature
Zhipu AI
GLM-5
Meta
Muse Spark 1.1

FAQ

Common questions about GLM-5 vs Muse Spark 1.1.

Which is better, GLM-5 or Muse Spark 1.1?

Muse Spark 1.1 significantly outperforms across most benchmarks. GLM-5 is made by Zhipu AI 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 GLM-5 compare to Muse Spark 1.1 in benchmarks?

GLM-5 scores t2-bench: 89.7%, SWE-Bench Verified: 77.8%, BrowseComp: 75.9%, MCP Atlas: 67.8%, Terminal-Bench 2.0: 56.2%. 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 GLM-5 and Muse Spark 1.1?

GLM-5 supports 200K tokens and Muse Spark 1.1 supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GLM-5 and Muse Spark 1.1?

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

Who makes GLM-5 and Muse Spark 1.1?

GLM-5 is developed by Zhipu AI and Muse Spark 1.1 is developed by Meta.

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