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Seed 2.1 Turbo (medium) vs GLM 5.3 FlashX (max)

The average score is effectively tied at 8.4 vs 8.3. GLM 5.3 FlashX (max) has the lower benchmark cost at $0.508 vs $1.951. GLM 5.3 FlashX (max) is faster at 41.21s vs 193.59s, with pass rates of 78.8% vs 78.8%.

Last updated at: 2026-09-21

Compared models

Rank
#61
Total Output Tokens
759,191
Response Time (avg)
193.59s
Total Cost
$1.951
Rank
#63
Total Output Tokens
375,734
Response Time (avg)
41.21s
Total Cost
$0.508
Recommended model GLM 5.3 FlashX (max)

It has the best score here (8.3), while costing about 3.8x less than Seed 2.1 Turbo (medium).

Detailed comparison

Metric Seed 2.1 Turbo Seed 2.1 Turbo medium Release: 2026-08-12 GLM 5.3 FlashX GLM 5.3 FlashX max Release: 2026-09-21
Score 8.4 8.3
Rank #61 #63
Reliability 10.0 10.0
Consistency 8.2 8.3
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 78.8% 78.8%
Flaky tests 5 5
Total Runs 66 66
Cost per result 13.002 3.381
Total Cost $1.951 $0.508
Input Price $0.500 / 1M $0.370 / 1M
Output Price $2.500 / 1M $1.250 / 1M
Total Input Tokens 104,433 101,211
Output Tokens 6,511 6,301
Reasoning Tokens 752,680 369,433
Response Time (avg) 193.59s 41.21s
Response Time (max) 885.33s 390.70s
Response Time (total) 4258.98s 906.52s
Parameters ~200B total (~20B active) 320B total (18B active)
Availability Closed Closed

Model generation showcase

Hamster playing table tennis

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

#61 Seed 2.1 Turbo

medium
Cost
$0.099
Time
583.9s
Tokens
39,514 tok

#63 GLM 5.3 FlashX

max
Cost
$0.046
Time
251.3s
Tokens
36,769 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 8.2 7.2 88.9% 1 354.87s 8,220 384 205,892
GLM 5.3 FlashX 8.2 7.2 88.9% 1 24.61s 7,317 463 36,503

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