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DeepSeek: DeepSeek V4 Flash vs Z.ai: GLM 5.2

Summary

DeepSeek V4 Flash vs GLM 5.2 benchmark comparison: GLM 5.2 leads on average score with 8.7 vs 8.3. DeepSeek V4 Flash has the lower benchmark cost at $0.027 vs $0.324. GLM 5.2 is faster at 23.28s vs 45.85s, with pass rates of 74.6% vs 84.1%.

Recommended model: DeepSeek V4 Flash - Its score stays close to the best score here (8.3 vs 8.7), while costing about 12.4x less than GLM 5.2.

Last updated at: 2026-06-17

Metric DeepSeek V4 Flash DeepSeek V4 Flash high Release: 2026-04-24 GLM 5.2 GLM 5.2 medium Release: 2026-06-17
Score 8.3 8.7
Rank #23 #14
Reliability 10.0 9.5
Consistency 8.5 8.4
Tests Correct
Attempt pass rate 74.6% 84.1%
Flaky tests 4 4
Total Runs 63 63
Cost per result 0.299 2.159
Total Cost $0.027 $0.324
Input Price $0.090 / 1M $1.400 / 1M
Output Price $0.180 / 1M $4.400 / 1M
Total Input Tokens 39,745 37,199
Output Tokens 10,310 12,261
Reasoning Tokens 123,501 49,500
Response Time (avg) 45.85s 23.28s
Response Time (max) 218.13s 101.36s
Response Time (total) 962.79s 488.94s

Generation showcase

Hamster playing table tennis

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

#23 DeepSeek V4 Flash

high
Cost
$0.003
Time
93.1s
Tokens
7,926 tok

#14 GLM 5.2

medium
Cost
$0.041
Time
195.8s
Tokens
9,287 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 Flash 8.3 10.0 75.0% 0 28.51s 540 140 7,770
GLM 5.2 10.0 10.0 100.0% 0 5.89s 639 497 2,634
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 7.8 10.0 66.7% 0 50.60s 7,279 395 34,862
GLM 5.2 8.2 7.2 88.9% 1 40.96s 7,317 1,475 17,123
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 10.0 10.0 100.0% 0 76.57s 14,016 465 7,347
GLM 5.2 10.0 10.0 100.0% 0 51.96s 12,696 458 4,531
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 10.0 10.0 100.0% 0 28.03s 7,290 201 1,179
GLM 5.2 10.0 10.0 100.0% 0 13.44s 7,149 348 2,345
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 4.1 4.4 44.5% 2 100.31s 666 27 59,249
GLM 5.2 4.1 4.4 44.5% 2 45.47s 551 8,188 11,606
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 6.1 3.1 66.7% 1 25.15s 471 79 632
GLM 5.2 10.0 10.0 100.0% 0 17.39s 498 54 1,842
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 10.0 10.0 100.0% 0 15.36s 627 63 1,622
GLM 5.2 9.9 10.0 100.0% 0 7.90s 678 94 1,518
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 8.2 7.2 88.9% 1 26.11s 594 196 1,767
GLM 5.2 8.2 7.2 88.9% 1 13.13s 672 536 4,822
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 10.0 10.0 100.0% 0 74.73s 8,079 228 542
GLM 5.2 10.0 10.0 100.0% 0 20.41s 6,861 230 550
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 3.0 10.0 0.0% 0 54.46s 183 8,516 8,531
GLM 5.2 3.0 10.0 0.0% 0 34.25s 138 381 2,529

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