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Grok-1.5 vs Muse Wonder

Muse Wonder leads the LLM Stats Score 47.9 to -2.7.

xAI · Meta · Updated for 2026

Which is better?

Muse Wonder leads the overall LLM Stats Score 47.9 to -2.7, ranking #29 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

  • overall performance matters — it scores 47.9 and ranks #29 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
Meta
Core performance indexes
LLM Stats Score
-2.7
#356
47.9
#29
Reasoning
-2.2
#346
33.1
#108
Coding
-0.9
#261
38.9
#18
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
$4.00 / M
Output price
— / M
$20.00 / M
Context window
—
1,048,576

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Grok-1.5
Muse Wonder
Vision
-5.2#214
25.4#52
Multimodal
-2.7#174
25.4#52
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

9 reported for Grok-1.5 · 16 for Muse Wonder

No common benchmarks found

Grok-1.5 and Muse Wonderdon'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 Muse Wonder specifies input context (1,048,576 tokens).

xAI
Grok-1.5
Input- tokens
Output- tokens
Meta
Muse Wonder
Input1,048,576 tokens
Output- tokens
Tue Oct 13 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

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

Muse Wonder 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

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

Proprietary

Closed source

Release Timeline

When each model was launched

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

Muse Wonder is 31 months newer than Grok-1.5.

Grok-1.5

Mar 28, 2024

2.5 years ago

Muse Wonder

Oct 12, 2026

0 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 side-by-side, then vote on the output you prefer.

Grok-1.5
✓ Preferred
Muse Wonder
Open in Playground

FAQ

Common questions about Grok-1.5 vs Muse Wonder.

Which is better, Grok-1.5 or Muse Wonder?

Muse Wonder leads the LLM Stats Score 47.9 to -2.7. Grok-1.5 is made by xAI and Muse Wonder 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 in benchmarks?

Grok-1.5 scores GSM8k: 90.0%, DocVQA: 85.6%, MMLU: 81.3%, HumanEval: 74.1%, MMMU: 53.6%. Muse Wonder scores MemoryBench: 85.6%, DeepSWE 1.1: 78.8%, OSWorld 2.1 (partial): 72.6%, JobBench: 70.5%, HealthBench Professional: 60.5%.

What are the context window sizes for Grok-1.5 and Muse Wonder?

Grok-1.5 supports an unknown number of tokens and Muse Wonder 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 Grok-1.5 and Muse Wonder?

Key differences include LLM Stats Score (-2.7 vs 47.9), multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok-1.5 and Muse Wonder?

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

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