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GPT-5.6 Terra (low) vs Solar Pro 4 (xhigh)

Solar Pro 4 (xhigh) leads on average score with 7.6 vs 7.5. Solar Pro 4 (xhigh) has the lower benchmark cost at $0.050 vs $0.210. GPT-5.6 Terra (low) is faster at 5.45s vs 134.85s, with pass rates of 74.2% vs 60.6%.

Last updated at: 2026-08-14

Rank
#80
Total Output Tokens
21,586
Response Time (avg)
5.45s
Total Cost
$0.210
Rank
#76
Total Output Tokens
389,450
Response Time (avg)
134.85s
Total Cost
$0.050
Recommended model GPT-5.6 Terra (low)

Its score stays close to the best score here (7.5 vs 7.6), while responding about 24.8x faster than Solar Pro 4 (xhigh).

Detailed comparison

Metric GPT-5.6 Terra GPT-5.6 Terra low Release: 2026-07-09 Solar Pro 4 Solar Pro 4 xhigh Release: 2026-08-11
Score 7.5 7.6
Rank #80 #76
Reliability 10.0 10.0
Consistency 7.9 9.4
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 74.2% 60.6%
Flaky tests 6 2
Total Runs 66 66
Cost per result 3.954 0.414
Total Cost $0.210 $0.050
Input Price $1.000 / 1M $0.030 / 1M
Output Price $6.000 / 1M $0.120 / 1M
Total Input Tokens 80,304 98,116
Output Tokens 4,714 21,720
Reasoning Tokens 16,872 367,730
Response Time (avg) 5.45s 134.85s
Response Time (max) 19.85s 491.42s
Response Time (total) 119.83s 2966.79s
Parameters ~1T total (~60B active) ~100B
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#80 GPT-5.6 Terra

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

#76 Solar Pro 4

xhigh
No showcase result has been generated for this model yet.
Cost
$0.000
Time
-
Tokens
0 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
Solar Pro 4 5.8 9.9 33.3% 0 292.21s 7,887 15,575 115,426

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