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GPT-6 Astra (xhigh) vs Grok 4.6 (high)

GPT-6 Astra (xhigh) leads on average score with 9.9 vs 9.3. Grok 4.6 (high) has the lower benchmark cost at $1.908 vs $5.156. GPT-6 Astra (xhigh) is faster at 28.44s vs 84.15s, with pass rates of 97.0% vs 86.4%.

Last updated at: 2026-09-04

Rank
#5
Total Output Tokens
87,183
Response Time (avg)
28.44s
Total Cost
$5.156
Rank
#17
Total Output Tokens
282,217
Response Time (avg)
84.15s
Total Cost
$1.908
Recommended model GPT-6 Astra (xhigh)

It has the best score here (9.9), while responding about 3.0x faster than Grok 4.6 (high).

Detailed comparison

Metric GPT-6 Astra GPT-6 Astra xhigh Release: 2026-09-04 Grok 4.6 Grok 4.6 high Release: 2026-08-12
Score 9.9 9.3
Rank #5 #17
Reliability 9.9 10.0
Consistency 9.6 10.0
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 97.0% 86.4%
Flaky tests 1 0
Total Runs 66 66
Cost per result 24.552 10.042
Total Cost $5.156 $1.908
Input Price $10.000 / 1M $2.000 / 1M
Output Price $50.000 / 1M $6.000 / 1M
Total Input Tokens 79,662 107,275
Output Tokens 5,055 5,094
Reasoning Tokens 82,128 277,123
Response Time (avg) 28.44s 84.15s
Response Time (max) 381.11s 618.49s
Response Time (total) 625.68s 1851.26s
Parameters ~2T total (~150B active) ~1.7T total (~170B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#5 GPT-6 Astra

xhigh
Cost
$0.694
Time
257.5s
Tokens
13,964 tok

#17 SpaceXAI: Grok 4.6

high
Cost
$0.107
Time
265.1s
Tokens
18,001 tok

Top Models by Score

Score vs Total Cost

Response Time (avg)

Score vs Response Time (avg)

Total Output Tokens

Score vs Total Output Tokens

Category Breakdown

Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
GPT-6 Astra 10.0 10.0 100.0% 0 8.27s 7,302 396 4,031
Grok 4.6 10.0 10.0 100.0% 0 102.20s 9,579 379 51,829

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