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Grok-4 Heavy vs Muse Wonder Full

Muse Wonder Full leads the LLM Stats Score 52.6 to 40.6.

xAI · Meta · Updated for 2026

Which is better?

Muse Wonder Full leads the overall LLM Stats Score 52.6 to 40.6, ranking #12 overall.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Grok-4 Heavy

  • you are already invested in the xAI ecosystem

Choose Muse Wonder Full

  • overall performance matters — it scores 52.6 and ranks #12 on LLM Stats
  • your work emphasizes coding — it leads those capability indexes

At a glance

The differences that matter most.

Grok-4 Heavy
xAI
Muse Wonder Full
Meta
Core performance indexes
LLM Stats Score
40.6
#72
52.6
#12
Reasoning
38.9
#74
41.2
#62
Coding
17.5
#136
41.4
#9
Cost, coverage & limits
Benchmark wins
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—
Input price
— / M
— / M
Output price
— / M
— / M
Context window
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Individual benchmarks

6 reported for Grok-4 Heavy · 16 for Muse Wonder Full

No common benchmarks found

Grok-4 Heavy and Muse Wonder Fulldon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Input capabilities

Documented input modalities across available providers

Both Grok-4 Heavy and Muse Wonder Full support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Grok-4 Heavy

Text
Images
Audio
Video

Muse Wonder Full

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Grok-4 Heavy

Proprietary

Closed source

Muse Wonder Full

Proprietary

Closed source

Release Timeline

When each model was launched

Muse Wonder Full was released on 2026-10-12, while Grok-4 Heavy's release date is not specified.

We can confirm Muse Wonder Full's release timeline, but cannot make a direct age comparison without Grok-4 Heavy's release date.

Grok-4 Heavy

—

Muse Wonder Full

Oct 12, 2026

1 weeks ago

Knowledge Cutoff

When training data ends

Grok-4 Heavy has a documented knowledge cutoff of 2024-12-31, while Muse Wonder Full's cutoff date is not specified.

We can confirm Grok-4 Heavy's training data extends to 2024-12-31, but cannot make a direct comparison without Muse Wonder Full's cutoff date.

Grok-4 Heavy

Dec 2024

Muse Wonder Full

—

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Grok-4 Heavy and Muse Wonder Full side-by-side, then vote on the output you prefer.

Grok-4 Heavy
✓ Preferred
Muse Wonder Full
Open in Playground

FAQ

Common questions about Grok-4 Heavy vs Muse Wonder Full.

Which is better, Grok-4 Heavy or Muse Wonder Full?

Muse Wonder Full leads the LLM Stats Score 52.6 to 40.6. Grok-4 Heavy is made by xAI and Muse Wonder Full is made by Meta. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Grok-4 Heavy compare to Muse Wonder Full in benchmarks?

Grok-4 Heavy scores AIME 2025: 100.0%, HMMT25: 96.7%, GPQA: 88.4%, LiveCodeBench: 79.4%, USAMO25: 61.9%. Muse Wonder Full scores MemoryBench: 85.5%, DeepSWE 1.1: 79.0%, OSWorld 2.1 (partial): 78.4%, JobBench: 75.3%, HealthBench Professional: 62.3%.

What are the main differences between Grok-4 Heavy and Muse Wonder Full?

Key differences include LLM Stats Score (40.6 vs 52.6). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok-4 Heavy and Muse Wonder Full?

Grok-4 Heavy is developed by xAI and Muse Wonder Full is developed by Meta.

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