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DeepSeek: DeepSeek V4 Pro vs Z.ai: GLM 5.1

Summary

DeepSeek V4 Pro vs GLM 5.1 benchmark comparison: DeepSeek V4 Pro leads on average score with 6.0 vs 5.7. GLM 5.1 has the lower benchmark cost at $0.058 vs $0.079. GLM 5.1 is faster at 4.10s vs 65.21s, with pass rates of 52.4% vs 41.3%.

Recommended model: GLM 5.1 - Its score stays close to the best score here (5.7 vs 6.0), while responding about 15.9x faster than DeepSeek V4 Pro.

Last updated at: 2026-06-04

Metric DeepSeek V4 Pro DeepSeek V4 Pro high Release: 2026-04-24 GLM 5.1 GLM 5.1 none Release: 2026-04-07
Score 6.0 5.7
Rank #103 #112
Reliability 9.0 10.0
Consistency 7.6 8.5
Tests Correct
Attempt pass rate 52.4% 41.3%
Flaky tests 6 4
Total Runs 63 63
Cost per result 2.869 0.843
Total Cost $0.079 $0.058
Input Price $0.435 / 1M $0.980 / 1M
Output Price $0.870 / 1M $3.080 / 1M
Total Input Tokens 32,240 47,133
Output Tokens 12,250 3,754
Reasoning Tokens 72,257 0
Response Time (avg) 65.21s 4.10s
Response Time (max) 358.35s 32.57s
Response Time (total) 1304.19s 86.18s

Generation showcase

Hamster playing table tennis

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

#103 DeepSeek V4 Pro

high
Cost
$0.023
Time
257.6s
Tokens
14,870 tok

#112 GLM 5.1

none
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
DeepSeek V4 Pro 6.4 7.9 58.3% 1 16.53s 448 71 3,617
GLM 5.1 4.0 6.3 25.0% 2 2.11s 555 305 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Pro 3.3 6.4 11.1% 1 118.23s 1,966 111 20,940
GLM 5.1 3.9 9.7 0.0% 0 4.96s 7,256 525 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Pro 10.0 10.0 100.0% 0 65.02s 14,016 465 5,914
GLM 5.1 2.8 2.1 33.3% 1 32.57s 22,831 2,129 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Pro 7.3 5.9 83.3% 1 23.62s 5,633 229 1,710
GLM 5.1 10.0 10.0 100.0% 0 1.08s 7,107 204 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Pro 2.9 7.2 11.1% 1 205.66s 430 10,529 28,089
GLM 5.1 2.9 7.2 11.1% 1 1.99s 687 24 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Pro 6.1 3.1 66.7% 1 25.09s 314 76 1,152
GLM 5.1 5.0 10.0 0.0% 0 790ms 477 39 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Pro 10.0 10.0 100.0% 0 41.16s 627 205 2,416
GLM 5.1 9.8 10.0 100.0% 0 1.98s 636 66 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Pro 5.9 7.2 55.6% 1 34.84s 544 139 4,019
GLM 5.1 7.7 10.0 66.7% 0 1.45s 609 151 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Pro 10.0 10.0 100.0% 0 21.33s 8,079 372 593
GLM 5.1 10.0 10.0 100.0% 0 10.68s 6,789 300 0
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Pro 3.0 10.0 0.0% 0 39.14s 183 53 3,807
GLM 5.1 3.0 10.0 0.0% 0 2.34s 186 11 0

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