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GPT-6.1 Sol (low) vs GPT-6 Astra (low)

The average score is effectively tied at 9.5 vs 9.5. GPT-6.1 Sol (low) has the lower benchmark cost at $0.275 vs $1.289. GPT-6 Astra (low) is faster at 5.09s vs 5.36s, with pass rates of 92.4% vs 90.9%.

Last updated at: 2026-09-29

Compared models

Rank
#16
Total Output Tokens
11,879
Response Time (avg)
5.36s
Total Cost
$0.275
Rank
#14
Total Output Tokens
10,144
Response Time (avg)
5.09s
Total Cost
$1.289
Recommended model GPT-6.1 Sol (low)

It has the best score here (9.5), while costing about 4.7x less than GPT-6 Astra (low).

Detailed comparison

Metric GPT-6.1 Sol GPT-6.1 Sol low Release: 2026-09-29 GPT-6 Astra GPT-6 Astra low Release: 2026-09-04
Score 9.5 9.5
Rank #16 #14
Reliability 10.0 9.9
Consistency 9.6 10.0
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 92.4% 90.9%
Flaky tests 1 0
Total Runs 66 66
Cost per result 1.375 6.441
Total Cost $0.275 $1.289
Input Price $2.000 / 1M $10.000 / 1M
Output Price $10.000 / 1M $50.000 / 1M
Total Input Tokens 78,018 78,100
Output Tokens 4,160 4,155
Reasoning Tokens 7,719 5,989
Response Time (avg) 5.36s 5.09s
Response Time (max) 29.38s 28.60s
Response Time (total) 117.89s 112.04s
Parameters ~2T total (~150B active) ~2T total (~150B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#16 GPT-6.1 Sol

low
Cost
$0.028
Time
44.6s
Tokens
2,881 tok

#14 GPT-6 Astra

low
Invalid SVG
Cost
$0.151
Time
48.9s
Tokens
3,094 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-6.1 Sol 10.0 10.0 100.0% 0 4.48s 7,302 388 1,286
GPT-6 Astra 10.0 10.0 100.0% 0 3.97s 7,302 388 976

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