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Grok 4.7 vs Muse Spark Open

Grok 4.7 and Muse Spark Open are closely matched at 46.7 and 45.3 on the LLM Stats Score. Muse Spark Open is 1.5x cheaper per token.

xAI · Meta · Updated for 2026

Which is better?

Grok 4.7 and Muse Spark Open are closely matched on the overall LLM Stats Score at 46.7 and 45.3.

In the 1 individual benchmarks reported for both models, Grok 4.7 wins 1; this is a narrower head-to-head signal than the composite indexes.

On price, Muse Spark Open is roughly 1.5x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Muse Spark Open also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

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

Choose Grok 4.7

  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results

Choose Muse Spark Open

  • cost matters — it's about 1.5x cheaper per token
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Oct 2026
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Core performance indexes
46.7
#37
45.3
#42
43.0
#55
45.7
#35
35.0
#30
33.5
#40
33.9
#32
30.8
#43
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
$2.00 / M
$1.25 / M
Output price
$6.00 / M
$4.25 / M
Context window
500,000
1,048,576

Individual benchmarks

23 reported for Grok 4.7 · 17 for Muse Spark Open

1 shared

Grok 4.7 outperforms in 1 benchmarks (DeepSWE 1.1), while Muse Spark Open is better at 0 benchmarks.

Grok 4.7 significantly outperforms across most benchmarks.

Thu Oct 22 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Muse Spark Open costs less

For input processing, Grok 4.7 ($2.00/1M tokens) is 1.6x more expensive than Muse Spark Open ($1.25/1M tokens).

For output processing, Grok 4.7 ($6.00/1M tokens) is 1.4x more expensive than Muse Spark Open ($4.25/1M tokens).

In conclusion, Grok 4.7 is more expensive than Muse Spark Open.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Thu Oct 22 2026 • llm-stats.com
xAI
Grok 4.7
Input tokens$2.00
Output tokens$6.00
Best providerxAI
Meta
Muse Spark Open
Input tokens$1.25
Output tokens$4.25
Best providerTogether
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Muse Spark Open accepts 1,048,576 input tokens compared to Grok 4.7's 500,000 tokens. Only Muse Spark Open specifies output context (1,048,576 tokens).

xAI
Grok 4.7
Input500,000 tokens
Output- tokens
Meta
Muse Spark Open
Input1,048,576 tokens
Output1,048,576 tokens
Thu Oct 22 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Grok 4.7 and Muse Spark Open support multimodal inputs.

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

Grok 4.7

Text
Images
Audio
Video

Muse Spark Open

Text
Images
Audio
Video

License

Usage and distribution terms

Grok 4.7 is licensed under a proprietary license, while Muse Spark Open uses Muse Model License.

License differences may affect how you can use these models in commercial or open-source projects.

Grok 4.7

Proprietary

Closed source

Muse Spark Open

Muse Model License

Open weights

Release Timeline

When each model was launched

Grok 4.7 was released on 2026-09-21, while Muse Spark Open was released on 2026-10-15.

Muse Spark Open is 1 month newer than Grok 4.7.

Grok 4.7

Sep 21, 2026

4 weeks ago

Muse Spark Open

Oct 15, 2026

4 days ago

3w newer

Knowledge Cutoff

When training data ends

Grok 4.7 has a documented knowledge cutoff of 2026-06-01, while Muse Spark Open's cutoff date is not specified.

We can confirm Grok 4.7's training data extends to 2026-06-01, but cannot make a direct comparison without Muse Spark Open's cutoff date.

Grok 4.7

Jun 2026

Muse Spark Open

—

Provider Availability

Grok 4.7 is available from xAI. Muse Spark Open is available from Together.

Grok 4.7

xai logo
xAI
Input Price:Input: $2.00/1MOutput Price:Output: $6.00/1M

Muse Spark Open

together logo
Together
Input Price:Input: $1.25/1MOutput Price:Output: $4.25/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Grok 4.7 and Muse Spark Open side-by-side, then vote on the output you prefer.

Grok 4.7
✓ Preferred
Muse Spark Open
Open in Playground

FAQ

Common questions about Grok 4.7 vs Muse Spark Open.

Which is better, Grok 4.7 or Muse Spark Open?

Grok 4.7 and Muse Spark Open are closely matched on the LLM Stats Score at 46.7 and 45.3. Grok 4.7 is made by xAI and Muse Spark Open 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 4.7 compare to Muse Spark Open in benchmarks?

Grok 4.7 scores BixBench MCQ: 88.4%, WMDP-Bio: 88.1%, WMDP-Cyber: 88.1%, WMDP-Chem: 84.9%, CyberGym: 80.3%. Muse Spark Open scores MCP Atlas: 89.2%, GPQA: 89.0%, OSWorld-Verified: 80.4%, BabyVision: 80.2%, Terminal-Bench 2.1: 76.4%.

Is Grok 4.7 cheaper than Muse Spark Open?

Muse Spark Open is 1.6x cheaper for input tokens. Grok 4.7 costs $2.00/M input and $6.00/M output via xai. Muse Spark Open costs $1.25/M input and $4.25/M output via together.

What are the context window sizes for Grok 4.7 and Muse Spark Open?

Grok 4.7 supports 500K tokens and Muse Spark Open 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 4.7 and Muse Spark Open?

Key differences include LLM Stats Score (46.7 vs 45.3), context window (500K vs 1.0M), input pricing ($2.00 vs $1.25/M), licensing (Proprietary vs Muse Model License). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok 4.7 and Muse Spark Open?

Grok 4.7 is developed by xAI and Muse Spark Open is developed by Meta.