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

The average score is effectively tied at 9.1 vs 9.1. Gemini 3.5 Flash (medium) has the lower benchmark cost at $0.642 vs $1.631. Gemini 3.5 Flash (medium) is faster at 8.20s 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
#14
Total Output Tokens
59,602
Response Time (avg)
8.20s
Total Cost
$0.642
Recommended model Gemini 3.5 Flash (medium)

It has the best score here (9.1), while costing about 2.5x 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 medium Release: 2026-05-19
Score 9.1 9.1
Rank #15 #14
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 3.374
Total Cost $1.631 $0.642
Input Price $0.500 / 1M $1.500 / 1M
Output Price $2.500 / 1M $9.000 / 1M
Total Input Tokens 104,483 69,747
Output Tokens 6,848 2,166
Reasoning Tokens 624,409 57,436
Response Time (avg) 168.41s 8.20s
Response Time (max) 739.98s 76.68s
Response Time (total) 3705.09s 180.47s
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

#14 Gemini 3.5 Flash

medium
Cost
$0.201
Time
112.9s
Tokens
22,371 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 7.9 7.5 77.8% 1 12.63s 8,118 461 24,939

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