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Claude Sonnet 5 vs GLM 5.3 FlashX (low)

GLM 5.3 FlashX (low) leads on average score with 6.0 vs 5.9. GLM 5.3 FlashX (low) has the lower benchmark cost at $0.157 vs $1.095. Claude Sonnet 5 is faster at 8.60s vs 9.69s, with pass rates of 40.6% vs 63.8%.

Last updated at: 2026-11-13

Compared models

Rank
#334
Total Output Tokens
30,777
Response Time (avg)
8.60s
Total Cost
$1.095
Rank
#326
Total Output Tokens
43,203
Response Time (avg)
9.69s
Total Cost
$0.157
Recommended model GLM 5.3 FlashX (low)

It has the best score here (6.0), while costing about 7.0x 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 5.9 6.0
Rank #334 #326
Reliability 10.0 10.0
Consistency 8.4 6.8
Attempts 69/69 69/69
Tests Correct
Attempt pass rate 40.6% 63.8%
Flaky tests 5 9
Total Runs 69 69
Cost per result 15.642 1.423
Total Cost $1.095 $0.157
Input Price $2.000 / 1M $0.370 / 1M
Output Price $10.000 / 1M $1.250 / 1M
Cache Read Price $0.200 / 1M $0.090 / 1M
Cache Write Price $2.500 / 1M N/A
Total Input Tokens 393,560 277,028
Output Tokens 30,466 11,965
Reasoning Tokens 311 31,238
Response Time (avg) 8.60s 9.69s
Response Time (max) 64.73s 77.99s
Response Time (total) 197.73s 222.83s
Parameters ~1T total (~100B active) 320B total (18B 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.

#334 Claude Sonnet 5

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

#326 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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