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Google: Gemma 4 31B vs OpenAI: GPT-5.5

Summary

Gemma 4 31B vs GPT-5.5 benchmark comparison: The average score is effectively tied at 6.3 vs 6.3. Gemma 4 31B has the lower benchmark cost at $0.033 vs $0.231. GPT-5.5 is faster at 1.89s vs 56.55s, with pass rates of 69.8% vs 54.0%.

Recommended model: Gemma 4 31B - It has the best score here (6.3), while costing about 7.1x less than GPT-5.5.

Last updated at: 2026-07-02

Metric Gemma 4 31B Gemma 4 31B medium Release: 2026-04-02 Free Available GPT-5.5 GPT-5.5 none Release: 2026-04-24
Score 6.3 6.3
Rank #91 #93
Reliability 10.0 10.0
Consistency 9.4 8.8
Tests Correct
Attempt pass rate 69.8% 54.0%
Flaky tests 1 3
Total Runs 63 63
Cost per result 0.257 2.302
Total Cost $0.033 $0.231
Input Price $0.120 / 1M $5.000 / 1M
Output Price $0.350 / 1M $30.000 / 1M
Total Input Tokens 17,957 34,212
Output Tokens 22,356 1,971
Reasoning Tokens 65,726 0
Response Time (avg) 56.55s 1.89s
Response Time (max) 437.40s 5.56s
Response Time (total) 1074.41s 39.64s

Generation showcase

Hamster playing table tennis

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

#91 Gemma 4 31B

medium
Cost
$0.002
Time
45.7s
Tokens
2,696 tok

#93 GPT-5.5

none
Cost
$0.090
Time
54.3s
Tokens
3,063 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
Gemma 4 31B 10.0 10.0 100.0% 0 12.89s 816 962 2,046
GPT-5.5 6.9 7.9 66.7% 1 1.31s 606 213 0
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemma 4 31B 4.3 5.8 22.2% 1 219.76s 5,568 11,098 33,212
GPT-5.5 5.5 10.0 33.3% 0 1.35s 7,305 462 0
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemma 4 31B 3.0 10.0 0.0% 0 0ms 0 0 0
GPT-5.5 3.0 10.0 0.0% 0 5.56s 11,019 300 0
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemma 4 31B 10.0 10.0 100.0% 0 21.11s 8,334 1,822 2,951
GPT-5.5 10.0 10.0 100.0% 0 1.18s 7,140 222 0
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemma 4 31B 7.7 10.0 66.7% 0 38.48s 876 4,349 8,985
GPT-5.5 2.9 7.2 11.1% 1 1.31s 723 52 0
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemma 4 31B 10.0 10.0 100.0% 0 9.57s 567 105 888
GPT-5.5 10.0 10.0 100.0% 0 3.41s 477 124 0
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemma 4 31B 10.0 10.0 100.0% 0 12.76s 777 533 2,035
GPT-5.5 6.2 5.8 66.7% 1 1.15s 660 81 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemma 4 31B 9.9 10.0 100.0% 0 26.91s 801 1,795 5,595
GPT-5.5 7.7 10.0 66.7% 0 1.29s 642 252 0
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemma 4 31B 3.0 10.0 0.0% 0 0ms 0 0 0
GPT-5.5 10.0 10.0 100.0% 0 3.90s 5,445 247 0
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemma 4 31B 3.0 10.0 0.0% 0 90.14s 218 1,692 10,014
GPT-5.5 3.0 10.0 0.0% 0 5.01s 195 18 0

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