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Seed 2.1 Turbo (low) vs GPT-6 Astra (medium)

GPT-6 Astra (medium) leads on average score with 9.4 vs 9.1. Seed 2.1 Turbo (low) has the lower benchmark cost at $1.546 vs $1.774. GPT-6 Astra (medium) is faster at 8.08s vs 163.90s, with pass rates of 80.3% vs 90.9%.

Last updated at: 2026-09-04

Rank
#23
Total Output Tokens
597,236
Response Time (avg)
163.90s
Total Cost
$1.546
Rank
#14
Total Output Tokens
19,627
Response Time (avg)
8.08s
Total Cost
$1.774
Recommended model GPT-6 Astra (medium)

It has the best score here (9.4), while responding about 20.3x faster than Seed 2.1 Turbo (low).

Detailed comparison

Metric Seed 2.1 Turbo Seed 2.1 Turbo low Release: 2026-08-12 GPT-6 Astra GPT-6 Astra medium Release: 2026-09-04
Score 9.1 9.4
Rank #23 #14
Reliability 10.0 9.9
Consistency 9.2 9.2
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 80.3% 90.9%
Flaky tests 2 2
Total Runs 66 66
Cost per result 9.091 9.337
Total Cost $1.546 $1.774
Input Price $0.500 / 1M $10.000 / 1M
Output Price $2.500 / 1M $50.000 / 1M
Total Input Tokens 104,464 79,264
Output Tokens 6,844 4,789
Reasoning Tokens 590,392 14,838
Response Time (avg) 163.90s 8.08s
Response Time (max) 739.98s 73.48s
Response Time (total) 3605.87s 177.70s
Parameters ~200B total (~20B active) ~2T total (~150B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#23 Seed 2.1 Turbo

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

#14 GPT-6 Astra

medium
Cost
$0.231
Time
81.0s
Tokens
4,708 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
GPT-6 Astra 10.0 10.0 100.0% 0 4.95s 7,302 394 1,673

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