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

Gemini 3.5 Flash (high) leads on average score with 9.5 vs 9.1. Seed 2.1 Turbo (low) has the lower benchmark cost at $1.631 vs $1.976. Gemini 3.5 Flash (high) is faster at 15.07s vs 168.41s, with pass rates of 83.3% vs 93.9%.

Last updated at: 2026-08-14

Rank
#18
Total Output Tokens
631,257
Response Time (avg)
168.41s
Total Cost
$1.631
Rank
#5
Total Output Tokens
201,677
Response Time (avg)
15.07s
Total Cost
$1.976
Recommended model Gemini 3.5 Flash (high)

It has the best score here (9.5), while responding about 11.2x faster 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 high Release: 2026-05-19
Score 9.1 9.5
Rank #18 #5
Reliability 9.9 10.0
Consistency 8.9 9.3
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 83.3% 93.9%
Flaky tests 3 2
Total Runs 66 66
Cost per result 9.591 9.879
Total Cost $1.631 $1.976
Input Price $0.500 / 1M $1.500 / 1M
Output Price $2.500 / 1M $9.000 / 1M
Total Input Tokens 104,483 107,137
Output Tokens 6,848 8,777
Reasoning Tokens 624,409 192,900
Response Time (avg) 168.41s 15.07s
Response Time (max) 739.98s 145.92s
Response Time (total) 3705.09s 331.48s
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.

#18 Seed 2.1 Turbo

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

#5 Gemini 3.5 Flash

high
Cost
$0.208
Time
118.2s
Tokens
23,158 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 10.0 10.0 100.0% 0 22.96s 8,118 456 47,129

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