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Google: Gemini 3 Flash Preview vs Z.ai: GLM 5.1

Last updated at: 2026-05-22

Metric Gemini 3 Flash Preview Gemini 3 Flash Preview medium Release: 2025-12-17 GLM 5.1 GLM 5.1 none Release: 2026-04-07
Score 9.8 5.6
Rank #1 #113
Reliability 10.0 10.0
Consistency 9.6 8.1
Tests Correct
Attempt pass rate 98.3% 40.0%
Flaky tests 1 5
Total Runs 60 60
Cost per result 2.985 0.941
Total Cost $0.567 $0.057
Input Price $0.500 / 1M $0.980 / 1M
Output Price $3.000 / 1M $3.080 / 1M
Output Tokens 2,009 3,749
Reasoning Tokens 181,315 0
Response Time (avg) 16.72s 4.16s
Response Time (max) 117.26s 32.57s
Response Time (total) 334.36s 83.23s

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Score vs Total Cost

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Score vs Response Time (avg)

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Score vs Total Output Tokens

Category Breakdown

Anti-AI Tricks Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 3.88s 330 3,216
GLM 5.1 4.0 6.3 25.0% 2 2.11s 305 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 7.9 6.4 83.3% 1 95.96s 456 127,964
GLM 5.1 4.3 9.5 0.0% 0 6.33s 519 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 22.42s 351 10,485
GLM 5.1 2.8 2.1 33.3% 1 32.57s 2,129 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 5.43s 279 4,893
GLM 5.1 10.0 10.0 100.0% 0 1.08s 204 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 15.27s 12 21,684
GLM 5.1 2.9 7.2 11.1% 1 1.99s 24 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 5.19s 72 1,905
GLM 5.1 5.0 10.0 0.0% 0 790ms 39 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 4.04s 72 2,709
GLM 5.1 9.8 10.0 100.0% 0 1.58s 66 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 5.48s 192 4,647
GLM 5.1 6.1 7.8 44.4% 1 1.48s 152 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 12.60s 234 1,487
GLM 5.1 10.0 10.0 100.0% 0 10.68s 300 0
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 5.50s 11 2,325
GLM 5.1 3.0 10.0 0.0% 0 2.34s 11 0

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