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Seed 2.1 Turbo (low) vs Gemini 3.8 Flash (high)

Gemini 3.8 Flash (high) leads on average score with 9.9 vs 9.1. Seed 2.1 Turbo (low) has the lower benchmark cost at $1.546 vs $1.595. Gemini 3.8 Flash (high) is faster at 37.19s vs 163.90s, with pass rates of 80.3% vs 98.5%.

Last updated at: 2026-09-02

Rank
#18
Total Output Tokens
597,236
Response Time (avg)
163.90s
Total Cost
$1.546
Rank
#2
Total Output Tokens
408,188
Response Time (avg)
37.19s
Total Cost
$1.595
Recommended model Gemini 3.8 Flash (high)

It has the best score here (9.9), while responding about 4.4x faster than Seed 2.1 Turbo (low).

Detailed comparison

Metric Seed 2.1 Turbo Seed 2.1 Turbo low Release: 2026-08-12 Gemini 3.8 Flash Gemini 3.8 Flash high Release: 2026-09-02
Score 9.1 9.9
Rank #18 #2
Reliability 10.0 10.0
Consistency 9.2 9.6
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 80.3% 98.5%
Flaky tests 2 1
Total Runs 66 66
Cost per result 9.091 7.592
Total Cost $1.546 $1.595
Input Price $0.500 / 1M $0.750 / 1M
Output Price $2.500 / 1M $3.750 / 1M
Total Input Tokens 104,464 84,593
Output Tokens 6,844 10,517
Reasoning Tokens 590,392 397,671
Response Time (avg) 163.90s 37.19s
Response Time (max) 739.98s 177.08s
Response Time (total) 3605.87s 818.19s
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.

#18 Seed 2.1 Turbo

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

#2 Gemini 3.8 Flash

high
Cost
$0.077
Time
129.1s
Tokens
20,373 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 3.8 Flash 10.0 10.0 100.0% 0 29.30s 8,118 462 50,196

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