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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 9.1 vs 9.0. Gemini 3.5 Flash (low) has the lower benchmark cost at $0.752 vs $1.892. Gemini 3.5 Flash (low) is faster at 7.85s vs 170.52s, with pass rates of 79.7% vs 85.5%.

Last updated at: 2026-11-10

Compared models

Rank
#50
Total Output Tokens
707,320
Response Time (avg)
170.52s
Total Cost
$1.892
Rank
#55
Total Output Tokens
42,730
Response Time (avg)
7.85s
Total Cost
$0.752
Recommended model Gemini 3.5 Flash (low)

Its score stays close to the best score here (9.0 vs 9.1), while costing about 2.5x 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 9.1 9.0
Rank #50 #55
Reliability 10.0 10.0
Consistency 9.0 9.4
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 79.7% 85.5%
Flaky tests 3 2
Total Runs 69 69
Cost per result 11.129 3.955
Total Cost $1.892 $0.752
Input Price $0.500 / 1M $1.500 / 1M
Output Price $2.500 / 1M $9.000 / 1M
Cache Read Price N/A $0.150 / 1M
Cache Write Price N/A $0.084 / 1M
Total Input Tokens 246,954 244,533
Output Tokens 8,378 3,450
Reasoning Tokens 698,942 39,280
Response Time (avg) 170.52s 7.85s
Response Time (max) 584.71s 53.74s
Response Time (total) 3922.04s 180.45s
Parameters ~200B total (~20B active) ~500B total (~20B active)
Availability Closed Closed

Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.

Model generation showcase

Hamster playing table tennis

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

#50 Seed 2.1 Turbo

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

#55 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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