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Anthropic: Claude Sonnet 4.6 vs Z.ai: GLM 5.1

Last updated at: 2026-04-07

Metric Claude Sonnet 4.6 Claude Sonnet 4.6 none Release: 2026-02-17 GLM 5.1 GLM 5.1 medium Release: 2026-04-07
Score 7.3 8.0
Rank #40 #23
Consistency 9.6 9.0
Tests Correct
Attempt pass rate 62.8% 76.5%
Flaky tests 1 2
Total Runs 51 51
Cost per result 2.512 1.270
Total Cost $0.252 $0.153
Input Price $3.000 / 1M $1.000 / 1M
Output Price $15.000 / 1M $3.200 / 1M
Output Tokens 6,910 6,666
Reasoning Tokens 0 35,313
Response Time (avg) 5.12s 18.23s
Response Time (max) 23.84s 43.11s
Response Time (total) 51.16s 291.73s

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Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 4.8 10.0 25.0% 0 2.94s 1,214 0
GLM 5.1 10.0 10.0 100.0% 0 8.31s 401 5,122
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 9.5 10.0 100.0% 0 23.84s 3,766 0
GLM 5.1 9.5 10.0 100.0% 0 43.11s 327 4,206
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 10.0 10.0 100.0% 0 3.43s 252 0
GLM 5.1 10.0 10.0 100.0% 0 9.33s 991 4,552
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 7.7 10.0 66.7% 0 3.54s 413 0
GLM 5.1 5.3 10.0 33.3% 0 29.77s 969 11,314
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 6.1 3.1 66.7% 1 2.56s 192 0
GLM 5.1 10.0 10.0 100.0% 0 20.95s 2,875 2,875
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 6.5 10.0 50.0% 0 1.96s 90 0
GLM 5.1 6.4 5.8 66.7% 1 7.47s 204 1,617
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 7.7 10.0 66.7% 0 2.92s 536 0
GLM 5.1 8.2 7.2 88.9% 1 23.85s 899 5,627
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Claude Sonnet 4.6 10.0 10.0 100.0% 0 4.11s 447 0
GLM 5.1 3.0 10.0 0.0% 0 0ms 0 0

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