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Seed 2.1 Turbo (low) vs Gemini 3.5 Flash (low)

Seed 2.1 Turbo (low) leads on average score with 9.1 vs 8.9. Gemini 3.5 Flash (low) has the lower benchmark cost at $0.433 vs $1.631. Gemini 3.5 Flash (low) is faster at 5.55s vs 168.41s, with pass rates of 83.3% vs 87.9%.

Last updated at: 2026-08-12

Rank
#15
Total Output Tokens
631,257
Response Time (avg)
168.41s
Total Cost
$1.631
Rank
#18
Total Output Tokens
33,421
Response Time (avg)
5.55s
Total Cost
$0.433
Recommended model Gemini 3.5 Flash (low)

Its score stays close to the best score here (8.9 vs 9.1), while costing about 3.8x less than Seed 2.1 Turbo (low).

Detailed comparison

Metric Seed 2.1 Turbo Seed 2.1 Turbo low Release: 2026-08-12 Gemini 3.5 Flash Gemini 3.5 Flash low Release: 2026-05-19
Score 9.1 8.9
Rank #15 #18
Reliability 9.9 10.0
Consistency 8.9 9.7
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 83.3% 87.9%
Flaky tests 3 1
Total Runs 66 66
Cost per result 9.591 2.277
Total Cost $1.631 $0.433
Input Price $0.500 / 1M $1.500 / 1M
Output Price $2.500 / 1M $9.000 / 1M
Total Input Tokens 104,483 87,817
Output Tokens 6,848 2,239
Reasoning Tokens 624,409 31,182
Response Time (avg) 168.41s 5.55s
Response Time (max) 739.98s 53.55s
Response Time (total) 3705.09s 122.19s
Parameters ~200B total (~20B active) ~500B total (~20B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#15 Seed 2.1 Turbo

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

#18 Gemini 3.5 Flash

low
Cost
$0.068
Time
39.1s
Tokens
7,588 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
Gemini 3.5 Flash 7.8 10.0 66.7% 0 6.71s 8,118 458 13,420

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