Grok 4.7 Xhigh vs Muse Spark 1.3 Max compared

Muse Spark 1.3 Max leads the intelligence index 36.6 to 35.5. Muse Spark 1.3 Max costs 33% less on blended price. Benchmarks, sample bills, speed and a verdict.

Metric	Grok 4.7 (Xhigh)	Muse Spark 1.3 (Max)
Intelligence Index	35.5	36.6
Input price (per 1M tokens)	$2.00	$1.25
Output price (per 1M tokens)	$6.00	$4.25
Output speed (tokens/s)	65	140
Time to first token	43s	36s
Release date	2026-09-21	2026-09-02

Metric

Grok 4.7 (Xhigh)

Muse Spark 1.3 (Max)

Intelligence Index

35.5

36.6

Input price (per 1M tokens)

$2.00

$1.25

Output price (per 1M tokens)

$6.00

$4.25

Output speed (tokens/s)

140

Time to first token

43s

36s

Release date

2026-09-21

2026-09-02

There is very little daylight between Grok 4.7 (Xhigh) (SpaceXAI) and Muse Spark 1.3 (Max) (Meta) on the overall index. What follows is built entirely from tracked data, so where the catalogue is silent, this page says so instead of guessing. Throughput is the standout difference: 140 tokens per second for Muse Spark 1.3 Max against 65 tokens per second for Grok 4.7 Xhigh.

Throughput and time to first token

Once a response is under way, Grok 4.7 Xhigh produces roughly 65 tokens per second against 140 tokens per second for Muse Spark 1.3 Max. That makes Muse Spark 1.3 Max roughly 2.2 times as fast at writing. Time to first token is 43 seconds for Grok 4.7 Xhigh and 36 seconds for Muse Spark 1.3 Max. Muse Spark 1.3 Max gets to its first token 1.2 times as fast. A first-token wait of that length suits background work better than live conversation.

For a 1,000-token response, first token plus generation comes to roughly 59 seconds on Grok 4.7 Xhigh and 43 seconds on Muse Spark 1.3 Max.

Cost: Muse Spark 1.3 Max is cheaper

Per million tokens, Grok 4.7 Xhigh charges $2.00 for input and $6.00 for output, while Muse Spark 1.3 Max charges $1.25 and $4.25. That makes Muse Spark 1.3 Max's output 29% cheaper.

A reference job of 1 million input tokens and 200,000 output tokens costs $3.20 with Grok 4.7 Xhigh and $2.10 with Muse Spark 1.3 Max, so Muse Spark 1.3 Max saves $1.10. A bigger example, a support assistant answering 10,000 conversations of 2,000 input and 500 output tokens each, costs $70.00 on Grok 4.7 Xhigh and $46.25 on Muse Spark 1.3 Max: a gap of $23.75.

Release timing

Grok 4.7 Xhigh arrived on September 21, 2026, 19 days after Muse Spark 1.3 Max (September 2, 2026). That is close enough to count them as the same generation.

Muse Spark 1.3 Max leads on the intelligence index

Grok 4.7 Xhigh records 35.5 on the intelligence index and Muse Spark 1.3 Max records 36.6. The lead is visible but narrow, so it should not decide the choice on its own.

For context, that places Grok 4.7 Xhigh 38th and Muse Spark 1.3 Max 36th out of 109 scored models still on offer.

The catalogue does not yet split either model's score into coding and math indexes.

Is the price in proportion?

Dividing the blended price by the intelligence index gives a rough cost per point: $0.085 for Grok 4.7 Xhigh and $0.055 for Muse Spark 1.3 Max, per million tokens. Muse Spark 1.3 Max scores higher and costs less per point, so on price per point there is nothing to trade off.

Quick answers

Is Muse Spark 1.3 Max better than Grok 4.7 Xhigh?

Muse Spark 1.3 Max comes out ahead on every measure the data separates: Muse Spark 1.3 Max scores higher on the intelligence index, 36.6 to 35.5; Muse Spark 1.3 Max is 33% cheaper on blended price; and Muse Spark 1.3 Max streams output 2.2 times as fast.

When were Grok 4.7 Xhigh and Muse Spark 1.3 Max released?

Grok 4.7 Xhigh is newer. It was released on September 21, 2026, 19 days after Muse Spark 1.3 Max (September 2, 2026).

Which is faster, Grok 4.7 Xhigh or Muse Spark 1.3 Max?

Muse Spark 1.3 Max generates output faster, at 140 tokens per second against 65 tokens per second. Muse Spark 1.3 Max reaches its first token sooner (36 seconds against 43 seconds).

How much do Grok 4.7 Xhigh and Muse Spark 1.3 Max cost?

Muse Spark 1.3 Max is cheaper on a blended basis. Grok 4.7 Xhigh lists $2.00 per million input tokens and $6.00 per million output tokens; Muse Spark 1.3 Max lists $1.25 and $4.25. For 1 million input and 200,000 output tokens that is $3.20 against $2.10.

Was this comparison tested by hand?

The figures are the recorded benchmark, price and speed data in Franklin AI's model catalogue. This page is written from that data automatically; neither model was tested by hand for it.

Final whistle

In one line: Muse Spark 1.3 Max wins every category the data separates; Grok 4.7 Xhigh would need an advantage that is not in the catalogue. Pick Muse Spark 1.3 Max if long outputs need to finish quickly and cost matters ($4.25 against $6.00 per million output tokens). Pick Grok 4.7 Xhigh only if your own tests show an advantage the recorded data does not.

Where the numbers come from

The scores, speed and prices in this comparison come from independent third-party model evaluations that Franklin AI syncs each day, and the article was written from a snapshot of them. For the latest results, open the Grok 4.7 (Xhigh) and Muse Spark 1.3 (Max) pages. The AI Benchmark methodology explains how that data is collected and shown.