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

Summary

Claude Sonnet 4.6 vs GLM 5.1 benchmark comparison: Claude Sonnet 4.6 leads on average score with 7.3 vs 7.1. GLM 5.1 has the lower benchmark cost at $0.292 vs $0.316. Claude Sonnet 4.6 is faster at 5.04s vs 33.67s, with pass rates of 55.6% vs 68.3%.

Recommended model: Claude Sonnet 4.6 - It has the best score here (7.3), while responding about 6.7x faster than GLM 5.1.

Last updated at: 2026-06-12

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 7.1
Rank #56 #64
Reliability 10.0 6.7
Consistency 9.7 8.3
Tests Correct
Attempt pass rate 55.6% 68.3%
Flaky tests 1 4
Total Runs 63 63
Cost per result 2.870 2.496
Total Cost $0.316 $0.292
Input Price $3.000 / 1M $0.980 / 1M
Output Price $15.000 / 1M $3.080 / 1M
Total Input Tokens 57,886 32,995
Output Tokens 9,465 11,655
Reasoning Tokens 0 75,421
Response Time (avg) 5.04s 33.67s
Response Time (max) 23.84s 172.60s
Response Time (total) 70.60s 673.41s

Generation showcase

Hamster playing table tennis

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

#56 Claude Sonnet 4.6

none
Cost
$0.038
Time
27.3s
Tokens
2,598 tok

#64 GLM 5.1

medium
Invalid SVG
Cost
$0.000
Time
300.0s
Tokens
0 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 4.6 4.8 10.0 25.0% 0 2.94s 636 1,214 0
GLM 5.1 10.0 10.0 100.0% 0 8.31s 555 401 5,122
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 4.6 5.5 10.0 33.3% 0 5.19s 8,522 2,127 0
GLM 5.1 4.6 3.7 44.5% 2 109.63s 5,702 4,871 37,826
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 4.6 9.5 10.0 100.0% 0 23.84s 26,024 3,766 0
GLM 5.1 9.5 10.0 100.0% 0 43.11s 17,298 327 4,206
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 4.6 10.0 10.0 100.0% 0 3.43s 8,574 252 0
GLM 5.1 10.0 10.0 100.0% 0 9.33s 7,107 991 4,552
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 4.6 7.7 10.0 66.7% 0 3.54s 759 413 0
GLM 5.1 5.3 10.0 33.3% 0 29.77s 489 969 11,314
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 4.6 6.1 3.1 66.7% 1 2.56s 513 192 0
GLM 5.1 10.0 10.0 100.0% 0 20.95s 477 2,875 2,875
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 4.6 6.5 10.0 50.0% 0 1.96s 690 90 0
GLM 5.1 6.4 5.8 66.7% 1 7.47s 634 204 1,617
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 4.6 7.7 10.0 66.7% 0 2.53s 663 533 0
GLM 5.1 8.2 7.2 88.9% 1 31.64s 609 935 5,730
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 4.6 10.0 10.0 100.0% 0 4.11s 11,301 447 0
GLM 5.1 3.0 10.0 0.0% 0 0ms 0 0 0
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Claude Sonnet 4.6 3.0 10.0 0.0% 0 4.67s 204 431 0
GLM 5.1 3.0 10.0 0.0% 0 29.40s 124 82 2,179

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