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GPT-5.6 Terra (low) vs Grok 4.7 (xhigh)

The average score is effectively tied at 7.5 vs 7.5. GPT-5.6 Terra (low) has the lower benchmark cost at $0.420 vs $2.625. GPT-5.6 Terra (low) is faster at 5.45s vs 115.74s, with pass rates of 74.2% vs 77.3%.

Last updated at: 2026-09-21

Compared models

Rank
#109
Total Output Tokens
21,586
Response Time (avg)
5.45s
Total Cost
$0.420
Rank
#107
Total Output Tokens
505,069
Response Time (avg)
115.74s
Total Cost
$2.625
Recommended model GPT-5.6 Terra (low)

It has the best score here (7.5), while costing about 6.3x less than Grok 4.7 (xhigh).

Detailed comparison

Metric GPT-5.6 Terra GPT-5.6 Terra low Release: 2026-07-09 Grok 4.7 Grok 4.7 xhigh Release: 2026-09-21
Score 7.5 7.5
Rank #109 #107
Reliability 10.0 9.6
Consistency 7.9 7.7
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 74.2% 77.3%
Flaky tests 6 6
Total Runs 66 66
Cost per result 3.954 18.745
Total Cost $0.420 $2.625
Input Price $2.000 / 1M $1.600 / 1M
Output Price $12.000 / 1M $4.800 / 1M
Total Input Tokens 80,304 124,896
Output Tokens 4,714 4,890
Reasoning Tokens 16,872 500,179
Response Time (avg) 5.45s 115.74s
Response Time (max) 19.85s 775.64s
Response Time (total) 119.83s 2546.31s
Parameters ~1T total (~60B 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.

#109 GPT-5.6 Terra

low
Cost
$0.034
Time
16.8s
Tokens
2,348 tok

#107 SpaceXAI: Grok 4.7

xhigh
Cost
$0.235
Time
544.2s
Tokens
39,247 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-5.6 Terra 6.6 4.6 77.8% 2 9.56s 7,302 429 6,821
Grok 4.7 5.3 4.5 55.6% 2 414.53s 10,168 327 256,935

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