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Claude Sonnet 5 vs GLM 5.3 FlashX (low)

GLM 5.3 FlashX (low) leads on average score with 6.3 vs 6.1. GLM 5.3 FlashX (low) has the lower benchmark cost at $0.090 vs $0.548. Claude Sonnet 5 is faster at 6.05s vs 6.58s, with pass rates of 40.9% vs 65.2%.

Last updated at: 2026-09-21

Compared models

Rank
#206
Total Output Tokens
22,508
Response Time (avg)
6.05s
Total Cost
$0.548
Rank
#201
Total Output Tokens
37,036
Response Time (avg)
6.58s
Total Cost
$0.090
Recommended model GLM 5.3 FlashX (low)

It has the best score here (6.3), while costing about 6.1x less than Claude Sonnet 5.

Detailed comparison

Metric Claude Sonnet 5 Claude Sonnet 5 none Release: 2026-06-30 GLM 5.3 FlashX GLM 5.3 FlashX low Release: 2026-09-21
Score 6.1 6.3
Rank #206 #201
Reliability 10.0 10.0
Consistency 8.7 7.0
Attempts 66/66 66/66
Tests Correct
Attempt pass rate 40.9% 65.2%
Flaky tests 4 8
Total Runs 66 66
Cost per result 7.817 0.816
Total Cost $0.548 $0.090
Input Price $2.000 / 1M $0.370 / 1M
Output Price $10.000 / 1M $1.250 / 1M
Total Input Tokens 161,032 117,325
Output Tokens 22,508 10,494
Reasoning Tokens 0 26,542
Response Time (avg) 6.05s 6.58s
Response Time (max) 33.39s 73.01s
Response Time (total) 132.99s 144.85s
Parameters ~1T total (~100B 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.

#206 Claude Sonnet 5

none
Cost
$0.061
Time
53.7s
Tokens
6,172 tok

#201 GLM 5.3 FlashX

low
Cost
$0.002
Time
8.4s
Tokens
1,526 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
Claude Sonnet 5 4.6 7.9 22.2% 1 3.67s 10,590 1,864 0
GLM 5.3 FlashX 5.5 7.4 44.4% 1 5.45s 7,317 382 4,760

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