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

Seed 2.1 Turbo (high) leads on average score with 8.9 vs 8.8. Gemini 3.5 Flash (low) has the lower benchmark cost at $0.449 vs $1.797. Gemini 3.5 Flash (low) is faster at 5.76s vs 173.96s, with pass rates of 78.8% vs 84.9%.

Last updated at: 2026-09-24

Compared models

Rank
#40
Total Output Tokens
697,731
Response Time (avg)
173.96s
Total Cost
$1.797
Rank
#41
Total Output Tokens
35,195
Response Time (avg)
5.76s
Total Cost
$0.449
Recommended model Gemini 3.5 Flash (low)

Its score stays close to the best score here (8.8 vs 8.9), while costing about 4.0x less than Seed 2.1 Turbo (high).

Detailed comparison

Metric Seed 2.1 Turbo Seed 2.1 Turbo high Release: 2026-08-12 Gemini 3.5 Flash Gemini 3.5 Flash low Release: 2026-05-19
Score 8.9 8.8
Rank #40 #41
Reliability 10.0 10.0
Consistency 8.9 9.3
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 78.8% 84.9%
Flaky tests 3 2
Total Runs 66 66
Cost per result 11.230 2.492
Total Cost $1.797 $0.449
Input Price $0.500 / 1M $1.500 / 1M
Output Price $2.500 / 1M $9.000 / 1M
Total Input Tokens 104,695 87,826
Output Tokens 6,645 2,239
Reasoning Tokens 691,086 32,956
Response Time (avg) 173.96s 5.76s
Response Time (max) 584.71s 53.55s
Response Time (total) 3827.19s 126.71s
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.

#40 Seed 2.1 Turbo

high
Cost
$0.058
Time
355.4s
Tokens
23,053 tok

#41 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% 0 336.02s 8,220 370 194,578
Gemini 3.5 Flash 7.8 10.0 66.7% 0 6.71s 8,118 458 13,420

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