Navigate
AI BENCHY
Advertise here

AI BENCHY Compare

Google: Gemma 4 31B vs OpenAI: GPT-5.6 Luna

Summary

Gemma 4 31B (medium) vs GPT-5.6 Luna benchmark comparison: Gemma 4 31B (medium) leads on average score with 6.3 vs 5.3. Gemma 4 31B (medium) has the lower benchmark cost at $0.033 vs $0.047. GPT-5.6 Luna is faster at 1.06s vs 56.55s, with pass rates of 69.8% vs 36.5%.

Recommended model: Gemma 4 31B (medium) - It has the strongest score in this comparison (6.3) and the best overall balance of cost and response time across all 2 models.

Last updated at: 2026-07-09

Metric Gemma 4 31B Gemma 4 31B medium Release: 2026-04-02 Free Available GPT-5.6 Luna GPT-5.6 Luna none Release: 2026-07-09
Score 6.3 5.3
Rank #102 #142
Reliability 10.0 10.0
Consistency 9.4 8.8
Tests Correct
Attempt pass rate 69.8% 36.5%
Flaky tests 1 3
Total Runs 63 63
Cost per result 0.257 0.767
Total Cost $0.033 $0.047
Input Price $0.120 / 1M $1.000 / 1M
Output Price $0.350 / 1M $6.000 / 1M
Total Input Tokens 17,957 34,218
Output Tokens 22,356 1,967
Reasoning Tokens 65,726 0
Response Time (avg) 56.55s 1.06s
Response Time (max) 437.40s 2.80s
Response Time (total) 1074.41s 22.34s

Generation showcase

Hamster playing table tennis

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

#102 Gemma 4 31B

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

#142 GPT-5.6 Luna

none
Cost
$0.016
Time
15.8s
Tokens
2,685 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-5.6 Luna 4.8 10.0 25.0% 0 901ms 606 266 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-5.6 Luna 3.8 7.2 22.2% 1 980ms 7,302 459 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-5.6 Luna 3.0 10.0 0.0% 0 2.78s 11,019 280 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-5.6 Luna 10.0 10.0 100.0% 0 758ms 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-5.6 Luna 2.9 7.2 11.1% 1 737ms 723 54 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-5.6 Luna 5.0 10.0 0.0% 0 1.00s 477 150 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-5.6 Luna 7.1 5.8 83.3% 1 1.23s 660 86 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-5.6 Luna 5.3 10.0 33.3% 0 790ms 642 202 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-5.6 Luna 10.0 10.0 100.0% 0 2.80s 5,454 222 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-5.6 Luna 3.0 10.0 0.0% 0 651ms 195 26 0

Quick Compare

Switch Comparison Pair