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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 medium Release: 2026-04-07
Score 9.8 7.4
Rank #1 #51
Reliability 10.0 3.3
Consistency 9.6 8.3
Tests Correct
Attempt pass rate 98.3% 71.7%
Flaky tests 1 4
Total Runs 60 60
Cost per result 2.985 2.379
Total Cost $0.567 $0.286
Input Price $0.500 / 1M $0.980 / 1M
Output Price $3.000 / 1M $3.080 / 1M
Output Tokens 2,009 11,475
Reasoning Tokens 181,315 71,876
Response Time (avg) 16.72s 32.22s
Response Time (max) 117.26s 172.60s
Response Time (total) 334.36s 612.25s

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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) Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 3.88s 330 3,216
GLM 5.1 10.0 10.0 100.0% 0 8.31s 401 5,122
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 4.7 1.6 66.7% 2 145.56s 4,727 34,384
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 9.5 10.0 100.0% 0 43.11s 327 4,206
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 9.33s 991 4,552
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 5.3 10.0 33.3% 0 29.77s 969 11,314
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 10.0 10.0 100.0% 0 20.95s 2,875 2,875
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 6.4 5.8 66.7% 1 7.47s 204 1,617
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 8.2 7.2 88.9% 1 23.85s 899 5,627
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 3.0 10.0 0.0% 0 0ms 0 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 29.40s 82 2,179

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