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StepFun: Step 3.5 Flash vs Z.ai: GLM 5

Summary

Step 3.5 Flash vs GLM 5 benchmark comparison: Step 3.5 Flash leads on average score with 6.6 vs 6.0. GLM 5 has the lower benchmark cost at $0.027 vs $0.070. GLM 5 is faster at 4.03s vs 72.53s, with pass rates of 54.0% vs 44.4%.

Recommended model: GLM 5 - Its score stays close to the best score here (6.0 vs 6.6), while costing about 2.6x less than Step 3.5 Flash.

Last updated at: 2026-06-18

Metric Step 3.5 Flash Step 3.5 Flash medium Release: 2026-02-01 GLM 5 GLM 5 none Release: 2026-02-12
Score 6.6 6.0
Rank #80 #101
Reliability 10.0 10.0
Consistency 8.9 9.7
Tests Correct
Attempt pass rate 54.0% 44.4%
Flaky tests 1 1
Total Runs 60 63
Cost per result 0.198 0.263
Total Cost $0.070 $0.027
Input Price $0.090 / 1M $0.600 / 1M
Output Price $0.300 / 1M $1.920 / 1M
Total Input Tokens 34,431 37,135
Output Tokens 91,587 1,989
Reasoning Tokens 195,973 0
Response Time (avg) 72.53s 4.03s
Response Time (max) 453.94s 11.07s
Response Time (total) 1015.47s 56.37s

Generation showcase

Hamster playing table tennis

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

#80 Step 3.5 Flash

medium
Cost
$0.008
Time
277.1s
Tokens
23,695 tok

#101 GLM 5

none
Cost
$0.007
Time
32.1s
Tokens
2,023 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
Step 3.5 Flash 10.0 10.0 100.0% 0 40.57s 694 20,391 24,176
GLM 5 4.8 10.0 25.0% 0 2.37s 510 275 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Step 3.5 Flash 2.4 5.2 0.0% 0 258.38s 2,211 13,207 22,429
GLM 5 4.0 7.8 11.1% 1 5.12s 7,256 428 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Step 3.5 Flash 10.0 10.0 100.0% 0 29.57s 13,638 1,176 12,984
GLM 5 3.0 10.0 0.0% 0 4.98s 12,812 406 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Step 3.5 Flash 10.0 10.0 100.0% 0 15.01s 7,368 600 13,886
GLM 5 10.0 10.0 100.0% 0 5.78s 7,107 203 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Step 3.5 Flash 5.3 7.2 44.4% 1 170.45s 673 45,350 90,436
GLM 5 3.0 10.0 0.0% 0 2.24s 643 19 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Step 3.5 Flash 5.5 10.0 0.0% 0 22.39s 509 240 3,506
GLM 5 10.0 10.0 100.0% 0 3.27s 477 103 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Step 3.5 Flash 8.3 10.0 50.0% 0 4.78s 705 2,364 3,521
GLM 5 10.0 10.0 100.0% 0 1.48s 636 61 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Step 3.5 Flash 5.3 10.0 33.3% 0 7.22s 711 5,630 10,861
GLM 5 7.7 10.0 66.7% 0 1.91s 609 261 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Step 3.5 Flash 10.0 10.0 100.0% 0 11.91s 7,701 275 3,802
GLM 5 10.0 10.0 100.0% 0 11.07s 6,899 220 0
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Step 3.5 Flash 3.0 10.0 0.0% 0 108.45s 221 2,354 10,372
GLM 5 3.0 10.0 0.0% 0 3.62s 186 13 0

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