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Anthropic: Claude Sonnet 5 vs Z.ai: GLM 5.2

Summary

Claude Sonnet 5 vs GLM 5.2 benchmark comparison: Claude Sonnet 5 leads on average score with 7.9 vs 7.1. GLM 5.2 has the lower benchmark cost at $0.051 vs $0.550. GLM 5.2 is faster at 6.34s vs 9.94s, with pass rates of 79.4% vs 60.3%.

Recommended model: GLM 5.2 - Its score stays close to the best score here (7.1 vs 7.9), while costing about 10.9x less than Claude Sonnet 5.

Last updated at: 2026-06-30

Metric Claude Sonnet 5 Claude Sonnet 5 medium Release: 2026-06-30 GLM 5.2 GLM 5.2 none Release: 2026-06-17
Score 7.9 7.1
Rank #30 #63
Reliability 10.0 9.9
Consistency 9.0 9.6
Tests Correct
Attempt pass rate 79.4% 60.3%
Flaky tests 3 1
Total Runs 63 63
Cost per result 3.662 0.628
Total Cost $0.550 $0.051
Input Price $2.000 / 1M $0.930 / 1M
Output Price $10.000 / 1M $3.000 / 1M
Total Input Tokens 67,416 38,671
Output Tokens 34,012 4,817
Reasoning Tokens 7,673 0
Response Time (avg) 9.94s 6.34s
Response Time (max) 56.94s 20.69s
Response Time (total) 208.71s 133.19s

Generation showcase

Hamster playing table tennis

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

#30 Claude Sonnet 5

medium
Cost
$0.007
Time
6.4s
Tokens
832 tok

#63 GLM 5.2

none
Invalid SVG
Cost
$0.033
Time
87.7s
Tokens
7,455 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

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 5 10.0 10.0 100.0% 0 3.80s 834 1,220 446
GLM 5.2 8.3 10.0 75.0% 0 3.70s 567 313 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 5 9.0 7.9 88.9% 1 17.28s 10,590 13,153 2,379
GLM 5.2 3.7 9.5 0.0% 0 7.55s 7,263 1,958 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 5 4.5 2.1 66.7% 1 37.01s 29,394 4,848 2,170
GLM 5.2 10.0 10.0 100.0% 0 20.69s 14,296 1,489 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 5 10.0 10.0 100.0% 0 3.16s 10,503 312 0
GLM 5.2 10.0 10.0 100.0% 0 7.17s 7,113 204 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 5 7.7 10.0 66.7% 0 20.38s 975 12,140 1,994
GLM 5.2 5.3 10.0 33.3% 0 6.50s 696 27 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 5 4.8 3.2 33.3% 1 4.32s 708 264 0
GLM 5.2 6.1 3.1 66.7% 1 4.42s 480 82 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 5 9.9 10.0 100.0% 0 3.10s 909 318 269
GLM 5.2 9.8 10.0 100.0% 0 3.84s 642 66 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 5 7.7 10.0 66.7% 0 2.98s 894 407 121
GLM 5.2 7.7 10.0 66.7% 0 3.31s 618 265 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 5 10.0 10.0 100.0% 0 10.70s 12,351 433 90
GLM 5.2 10.0 10.0 100.0% 0 15.76s 6,807 400 0
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 5 3.0 10.0 0.0% 0 7.06s 258 917 204
GLM 5.2 3.0 10.0 0.0% 0 3.41s 189 13 0

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