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Google: Gemini 3.1 Flash Lite vs Z.ai: GLM 5.1

Summary

Gemini 3.1 Flash Lite vs GLM 5.1 benchmark comparison: Gemini 3.1 Flash Lite leads on average score with 6.4 vs 5.6. Gemini 3.1 Flash Lite has the lower benchmark cost at $0.028 vs $0.063. Gemini 3.1 Flash Lite is faster at 1.89s vs 4.10s, with pass rates of 61.9% vs 41.3%.

Recommended model: Gemini 3.1 Flash Lite - It has the best score here (6.4), while costing about 2.3x less than GLM 5.1.

Last updated at: 2026-07-02

Metric Gemini 3.1 Flash Lite Gemini 3.1 Flash Lite low Release: 2026-05-08 GLM 5.1 GLM 5.1 none Release: 2026-04-07
Score 6.4 5.6
Rank #88 #120
Reliability 10.0 10.0
Consistency 9.3 8.5
Tests Correct
Attempt pass rate 61.9% 41.3%
Flaky tests 2 4
Total Runs 63 63
Cost per result 0.227 0.843
Total Cost $0.028 $0.063
Input Price $0.250 / 1M $0.975 / 1M
Output Price $1.500 / 1M $4.301 / 1M
Total Input Tokens 36,892 47,133
Output Tokens 2,732 3,754
Reasoning Tokens 9,260 0
Response Time (avg) 1.89s 4.10s
Response Time (max) 5.66s 32.57s
Response Time (total) 39.62s 86.18s

Generation showcase

Hamster playing table tennis

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

#88 Gemini 3.1 Flash Lite

low
Cost
$0.003
Time
4.0s
Tokens
1,479 tok

#120 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
Gemini 3.1 Flash Lite 7.3 6.2 75.0% 2 1.84s 500 1,013 1,548
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
Gemini 3.1 Flash Lite 5.5 10.0 33.3% 0 1.53s 8,132 471 1,072
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
Gemini 3.1 Flash Lite 3.0 10.0 0.0% 0 4.48s 12,870 348 975
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
Gemini 3.1 Flash Lite 10.0 10.0 100.0% 0 1.44s 7,453 291 697
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
Gemini 3.1 Flash Lite 5.3 10.0 33.3% 0 1.52s 639 15 1,214
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
Gemini 3.1 Flash Lite 4.0 10.0 0.0% 0 1.37s 492 69 438
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
Gemini 3.1 Flash Lite 10.0 10.0 100.0% 0 1.52s 619 72 760
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
Gemini 3.1 Flash Lite 10.0 10.0 100.0% 0 1.40s 570 210 1,191
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
Gemini 3.1 Flash Lite 10.0 10.0 100.0% 0 5.66s 5,457 234 945
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
Gemini 3.1 Flash Lite 3.0 10.0 0.0% 0 1.46s 160 9 420
GLM 5.1 3.0 10.0 0.0% 0 2.34s 186 11 0

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