GLM-5.3 (Max) (Z AI) and Grok 4.7 (Xhigh) (SpaceXAI) meet here on their recorded benchmark, price and speed data. GLM-5.3 Max starts answering far sooner, with a time to first token of 1.7 seconds compared with 43 seconds for Grok 4.7 Xhigh. This page is written automatically from catalogue numbers only: benchmark scores, list prices and measured speed.
Waiting time
Once a response is under way, GLM-5.3 Max produces roughly 74 tokens per second against 65 tokens per second for Grok 4.7 Xhigh. On long outputs, that is a real advantage for GLM-5.3 Max. Time to first token is 1.7 seconds for GLM-5.3 Max and 43 seconds for Grok 4.7 Xhigh. GLM-5.3 Max gets to its first token 26 times as fast. Waits that long are felt on every chat-style request, though they matter less for batch jobs.
Put together, a 1,500-token answer would take about 22 seconds from GLM-5.3 Max and 66 seconds from Grok 4.7 Xhigh, counting the first-token wait.
What they cost
Per million tokens, GLM-5.3 Max charges $1.40 for input and $4.40 for output, while Grok 4.7 Xhigh charges $2.00 and $6.00. For output tokens, Grok 4.7 Xhigh is 1.4 times the price of GLM-5.3 Max.
A reference job of 1 million input tokens and 200,000 output tokens costs $2.28 with GLM-5.3 Max and $3.20 with Grok 4.7 Xhigh, so GLM-5.3 Max saves $0.92. Scale it up to extracting fields from 20,000 pages of 1,500 tokens into 150-token records and the bill is $55.20 for GLM-5.3 Max against $78.00 for Grok 4.7 Xhigh. Blended at three input tokens per output token, the effective rates are $2.15 for GLM-5.3 Max and $3.00 for Grok 4.7 Xhigh.
Benchmark scores
Grok 4.7 Xhigh comes out ahead on the intelligence index, 35.5 to 31.7. A lead of this size is hard to dismiss as noise. Put another way, GLM-5.3 Max would need 12% more on this index to draw level.
Among 109 active scored models, GLM-5.3 Max sits 47th and Grok 4.7 Xhigh 38th.
The catalogue does not yet split either model's score into coding and math indexes.
Value for money
Per point of intelligence index, GLM-5.3 Max costs $0.068 of blended price per million tokens and Grok 4.7 Xhigh $0.085. GLM-5.3 Max delivers each index point for 20% less; whether Grok 4.7 Xhigh's extra 3.8 points are worth the premium depends on how often your tasks need them.
Which is newer
Grok 4.7 Xhigh arrived on September 21, 2026, 34 days after GLM-5.3 Max (August 18, 2026). They are effectively contemporaries.

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