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Grok-1.5 vs Muse Wonder Full

Muse Wonder Full leads the LLM Stats Score 52.1 to -2.7.

xAI · Meta · Updated for 2026

Which is better?

Muse Wonder Full leads the overall LLM Stats Score 52.1 to -2.7, ranking #13 overall.

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

Choose Grok-1.5

  • you are already invested in the xAI ecosystem

Choose Muse Wonder Full

  • overall performance matters — it scores 52.1 and ranks #13 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-1.5
xAI
Muse Wonder Full
Meta
Core performance indexes
LLM Stats Score
-2.7
#356
52.1
#13
Reasoning
-2.2
#346
38.4
#71
Coding
-0.9
#261
41.5
#8
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
— / M
Output price
— / M
— / M
Context window
—
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Grok-1.5
Muse Wonder Full
Vision
-5.2#214
31.7#28
Multimodal
-2.7#174
31.8#25
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

9 reported for Grok-1.5 · 16 for Muse Wonder Full

No common benchmarks found

Grok-1.5 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

Muse Wonder Full supports multimodal inputs, whereas Grok-1.5 does not.

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

Grok-1.5

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-1.5

Proprietary

Closed source

Muse Wonder Full

Proprietary

Closed source

Release Timeline

When each model was launched

Grok-1.5 was released on 2024-03-28, while Muse Wonder Full was released on 2026-10-12.

Muse Wonder Full is 31 months newer than Grok-1.5.

Grok-1.5

Mar 28, 2024

2.5 years ago

Muse Wonder Full

Oct 12, 2026

-1 days ago

2.5yr 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-1.5 and Muse Wonder Full side-by-side, then vote on the output you prefer.

Grok-1.5
✓ Preferred
Muse Wonder Full
Open in Playground

FAQ

Common questions about Grok-1.5 vs Muse Wonder Full.

Which is better, Grok-1.5 or Muse Wonder Full?

Muse Wonder Full leads the LLM Stats Score 52.1 to -2.7. Grok-1.5 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-1.5 compare to Muse Wonder Full in benchmarks?

Grok-1.5 scores GSM8k: 90.0%, DocVQA: 85.6%, MMLU: 81.3%, HumanEval: 74.1%, MMMU: 53.6%. 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-1.5 and Muse Wonder Full?

Key differences include LLM Stats Score (-2.7 vs 52.1), multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok-1.5 and Muse Wonder Full?

Grok-1.5 is developed by xAI and Muse Wonder Full is developed by Meta.

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