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Seed 2.1 Turbo (low) vs GPT-5.6 Sol (high)

GPT-5.6 Sol (high) leads on average score with 9.4 vs 9.1. GPT-5.6 Sol (high) has the lower benchmark cost at $1.234 vs $1.631. GPT-5.6 Sol (high) is faster at 11.73s vs 168.41s, with pass rates of 83.3% vs 89.4%.

Last updated at: 2026-08-14

Rank
#18
Total Output Tokens
631,257
Response Time (avg)
168.41s
Total Cost
$1.631
Rank
#9
Total Output Tokens
27,899
Response Time (avg)
11.73s
Total Cost
$1.234
Recommended model GPT-5.6 Sol (high)

It has the best score here (9.4), while responding about 14.4x faster than Seed 2.1 Turbo (low).

Detailed comparison

Metric Seed 2.1 Turbo Seed 2.1 Turbo low Release: 2026-08-12 GPT-5.6 Sol GPT-5.6 Sol high Release: 2026-07-09
Score 9.1 9.4
Rank #18 #9
Reliability 9.9 10.0
Consistency 8.9 8.9
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 83.3% 89.4%
Flaky tests 3 3
Total Runs 66 66
Cost per result 9.591 6.852
Total Cost $1.631 $1.234
Input Price $0.500 / 1M $5.000 / 1M
Output Price $2.500 / 1M $30.000 / 1M
Total Input Tokens 104,483 79,249
Output Tokens 6,848 4,855
Reasoning Tokens 624,409 23,044
Response Time (avg) 168.41s 11.73s
Response Time (max) 739.98s 54.79s
Response Time (total) 3705.09s 257.99s
Parameters ~200B total (~20B 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.

#18 Seed 2.1 Turbo

low
Cost
$0.049
Time
298.8s
Tokens
19,730 tok

#9 GPT-5.6 Sol

high
Cost
$0.151
Time
201.9s
Tokens
5,100 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
Seed 2.1 Turbo 10.0 10.0 100.0% 0 360.85s 8,220 385 207,368
GPT-5.6 Sol 10.0 10.0 100.0% 0 12.52s 7,302 404 5,656

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