Navigate
Advertise here

Seed 2.1 Turbo vs GPT-5 Nano (medium)

The average score is effectively tied at 5.7 vs 5.7. GPT-5 Nano (medium) has the lower benchmark cost at $0.159 vs $0.182. Seed 2.1 Turbo is faster at 9.65s vs 56.55s, with pass rates of 52.2% vs 53.6%.

Last updated at: 2026-11-13

Compared models

Rank
#349
Total Output Tokens
13,105
Response Time (avg)
9.65s
Total Cost
$0.182
Rank
#346
Total Output Tokens
307,921
Response Time (avg)
56.55s
Total Cost
$0.159
Recommended model Seed 2.1 Turbo

It has the best score here (5.7), while responding about 5.9x faster than GPT-5 Nano (medium).

Detailed comparison

Metric Seed 2.1 Turbo Seed 2.1 Turbo none Release: 2026-08-12 GPT-5 Nano GPT-5 Nano medium Release: 2025-08-07
Score 5.7 5.7
Rank #349 #346
Reliability 10.0 10.0
Consistency 9.0 6.5
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 52.2% 53.6%
Flaky tests 3 10
Total Runs 69 69
Cost per result 1.819 1.737
Total Cost $0.182 $0.159
Input Price $0.500 / 1M $0.050 / 1M
Output Price $2.500 / 1M $0.400 / 1M
Cache Read Price N/A $0.005 / 1M
Cache Write Price N/A N/A
Total Input Tokens 298,242 314,436
Output Tokens 13,105 13,578
Reasoning Tokens 0 294,343
Response Time (avg) 9.65s 56.55s
Response Time (max) 71.45s 227.89s
Response Time (total) 221.91s 961.32s
Parameters ~200B total (~20B active) ~120B total (~5B 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.

#349 Seed 2.1 Turbo

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

#346 GPT-5 Nano

medium
Cost
$0.006
Time
108.5s
Tokens
13,209 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
GPT-5 Nano 7.0 7.7 55.6% 1 41.62s 7,305 740 41,152

Switch Comparison Pair