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Seed 2.1 Turbo vs Step 5 Preview (low)

Seed 2.1 Turbo leads on average score with 5.7 vs 5.6. Seed 2.1 Turbo has the lower benchmark cost at $0.182 vs $4.110. Seed 2.1 Turbo is faster at 9.65s vs 138.27s, with pass rates of 52.2% vs 58.0%.

Last updated at: 2026-10-09

Compared models

Rank
#275
Total Output Tokens
13,105
Response Time (avg)
9.65s
Total Cost
$0.182
Rank
#281
Total Output Tokens
1,425,268
Response Time (avg)
138.27s
Total Cost
$4.110
Recommended model Seed 2.1 Turbo

It has the best score here (5.7), while costing about 22.6x less than Step 5 Preview (low).

Detailed comparison

Metric Seed 2.1 Turbo Seed 2.1 Turbo none Release: 2026-08-12 Step 5 Preview Step 5 Preview low Release: 2026-10-09
Score 5.7 5.6
Rank #275 #281
Reliability 10.0 9.7
Consistency 9.0 7.5
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 52.2% 58.0%
Flaky tests 3 7
Total Runs 69 69
Cost per result 1.819 41.095
Total Cost $0.182 $4.110
Input Price $0.500 / 1M $1.000 / 1M
Output Price $2.500 / 1M $2.700 / 1M
Cache Read Price N/A $0.050 / 1M
Cache Write Price N/A N/A
Total Input Tokens 298,242 261,256
Output Tokens 13,105 1,425,268
Reasoning Tokens 0 0
Response Time (avg) 9.65s 138.27s
Response Time (max) 71.45s 436.56s
Response Time (total) 221.91s 3180.10s
Parameters ~200B total (~20B active) 600B total (27B 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.

#275 Seed 2.1 Turbo

none
Cost
$0.093
Time
517.1s
Tokens
37,102 tok

#281 Step 5 Preview

low
Cost
$0.051
Time
125.6s
Tokens
18,795 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 4.5 7.9 22.2% 1 2.35s 8,211 608 0
Step 5 Preview 2.7 7.0 11.1% 1 378.21s 7,428 518,232 0

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