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

GPT-6.1 Sol (low) leads on average score with 9.5 vs 9.4. GPT-6.1 Sol (low) has the lower benchmark cost at $0.275 vs $1.774. GPT-6.1 Sol (low) is faster at 5.36s vs 8.08s, 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
#21
Total Output Tokens
19,627
Response Time (avg)
8.08s
Total Cost
$1.774
Recommended model GPT-6.1 Sol (low)

It has the best score here (9.5), while costing about 6.5x less than GPT-6 Astra (medium).

Detailed comparison

Metric GPT-6.1 Sol GPT-6.1 Sol low Release: 2026-09-29 GPT-6 Astra GPT-6 Astra medium Release: 2026-09-04
Score 9.5 9.4
Rank #16 #21
Reliability 10.0 9.9
Consistency 9.6 9.2
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 92.4% 90.9%
Flaky tests 1 2
Total Runs 66 66
Cost per result 1.375 9.337
Total Cost $0.275 $1.774
Input Price $2.000 / 1M $10.000 / 1M
Output Price $10.000 / 1M $50.000 / 1M
Total Input Tokens 78,018 79,264
Output Tokens 4,160 4,789
Reasoning Tokens 7,719 14,838
Response Time (avg) 5.36s 8.08s
Response Time (max) 29.38s 73.48s
Response Time (total) 117.89s 177.70s
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

#21 GPT-6 Astra

medium
Cost
$0.231
Time
81.0s
Tokens
4,708 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 4.95s 7,302 394 1,673

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