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Grok 4 Fast vs Muse Wonder Full

Muse Wonder Full leads the LLM Stats Score 52.6 to 31.2.

xAI · Meta · Updated for 2026

Which is better?

Muse Wonder Full leads the overall LLM Stats Score 52.6 to 31.2, ranking #12 overall.

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

Choose Grok 4 Fast

  • you want predictable pricing at $0.20/M input and $0.50/M output

Choose Muse Wonder Full

  • overall performance matters — it scores 52.6 and ranks #12 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you want the most recent training data — it shipped Oct 2026

At a glance

The differences that matter most.

Grok 4 Fast
xAI
Muse Wonder Full
Meta
Core performance indexes
LLM Stats Score
31.2
#134
52.6
#12
Reasoning
30.2
#140
41.2
#62
Coding
17.9
#133
41.4
#9
Agents
2.7
#187
40.6
#6
Cost, coverage & limits
Benchmark wins
—
—
Input price
$0.20 / M
— / M
Output price
$0.50 / M
— / M
Context window
2,000,000
—

Individual benchmarks

7 reported for Grok 4 Fast · 16 for Muse Wonder Full

No common benchmarks found

Grok 4 Fast 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

Context Window

Maximum input and output token capacity

Only Grok 4 Fast specifies input context (2,000,000 tokens). Only Grok 4 Fast specifies output context (30,000 tokens).

xAI
Grok 4 Fast
Input2,000,000 tokens
Output30,000 tokens
Meta
Muse Wonder Full
Input- tokens
Output- tokens
Fri Oct 23 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Grok 4 Fast and Muse Wonder Full support multimodal inputs.

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

Grok 4 Fast

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 Fast

Proprietary

Closed source

Muse Wonder Full

Proprietary

Closed source

Release Timeline

When each model was launched

Grok 4 Fast was released on 2025-08-28, while Muse Wonder Full was released on 2026-10-12.

Muse Wonder Full is 14 months newer than Grok 4 Fast.

Grok 4 Fast

Aug 28, 2025

1.1 years ago

Muse Wonder Full

Oct 12, 2026

1 weeks ago

1.1yr 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?

Judge for yourself.

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

Grok 4 Fast
✓ Preferred
Muse Wonder Full
Open in Playground

FAQ

Common questions about Grok 4 Fast vs Muse Wonder Full.

Which is better, Grok 4 Fast or Muse Wonder Full?

Muse Wonder Full leads the LLM Stats Score 52.6 to 31.2. Grok 4 Fast 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 Fast compare to Muse Wonder Full in benchmarks?

Grok 4 Fast scores SimpleQA: 95.0%, HMMT 2025: 93.3%, AIME 2025: 92.0%, GPQA: 85.7%, LiveCodeBench: 80.0%. 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 context window sizes for Grok 4 Fast and Muse Wonder Full?

Grok 4 Fast supports 2.0M tokens and Muse Wonder Full 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 Grok 4 Fast and Muse Wonder Full?

Key differences include LLM Stats Score (31.2 vs 52.6). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok 4 Fast and Muse Wonder Full?

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

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