Grok 4.7 vs Muse Spark 1.3: Specs & Benchmark Comparison

Grok 4.7 is developed by xAI, while Muse Spark 1.3 comes from Meta. Both were released in September 2026.

We have 23 benchmark results for Grok 4.7 and 11 benchmark results for Muse Spark 1.3, but they overlap on a single test: DeepSWE 1.1, where Muse Spark 1.3 scores 75.4% against 71.0%.

Muse Spark 1.3 is the cheaper API at $1.25 per million input tokens and $4.25 per million output tokens, about 60% below Grok 4.7 at $2 and $6. Muse Spark 1.3 takes the larger context window at 1M tokens, compared with 500K for Grok 4.7. Grok 4.7 accepts text and images as input, while Muse Spark 1.3 accepts text, images, audio, and video.

CharacteristicGrok 4.7Muse Spark 1.3
CompanyxAIMeta
Release DateSeptember 21, 2026September 2, 2026
Parameters——
MultimodalYesYes
Context (input)500K1.0M
Context (output)—944K
Input Price / 1M$2.00$1.25
Output Price / 1M$6.00$4.25
Average Score56.5%73.4%
Benchmarks
DeepSWE 1.171.0%75.4%

Visual Benchmark Comparison

Grok 4.7
Muse Spark 1.3
DeepSWE 1.10.7 vs 0.8
0.7
0.8

Verdict

Muse Spark 1.3 leads in 2 out of 4 comparison categories.

Overall Performance

Both models show comparable average scores: Grok 4.7 — 0.6, Muse Spark 1.3 — 0.7.

API Cost

Muse Spark 1.3 is 1.5x cheaper: input $1.25/1M vs $2.00/1M tokens.

Context Window

Muse Spark 1.3 supports a larger context: 1M vs 500K tokens.

Recency

Grok 4.7 is newer: released 9/21/2026 vs 9/2/2026.

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Frequently Asked Questions

Which is better for coding — Grok 4.7 or Muse Spark 1.3?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Grok 4.7 or Muse Spark 1.3?
Muse Spark 1.3 is cheaper for input: $1.25 per 1M tokens vs $2.00.
Which has a larger context window — Grok 4.7 or Muse Spark 1.3?
Muse Spark 1.3 supports a larger context: 1,048,576 tokens vs 500,000.

The Grok 4.7 and Muse Spark 1.3 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Grok 4.7 or Muse Spark 1.3 page. See also the complete list of AI model comparisons.