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Google: Gemma 4 31B vs Qwen: Qwen3.5 Plus 2026-02-15

Summary

Gemma 4 31B vs Qwen3.5 Plus 2026-02-15 benchmark comparison: Gemma 4 31B leads on average score with 6.3 vs 5.8. Qwen3.5 Plus 2026-02-15 has the lower benchmark cost at $0.016 vs $0.033. Qwen3.5 Plus 2026-02-15 is faster at 2.31s vs 56.55s, with pass rates of 69.8% vs 46.0%.

Recommended model: Qwen3.5 Plus 2026-02-15 - Its score stays close to the best score here (5.8 vs 6.3), while costing about 2.1x less than Gemma 4 31B.

Last updated at: 2026-07-02

Metric Gemma 4 31B Gemma 4 31B medium Release: 2026-04-02 Free Available Qwen3.5 Plus 2026-02-15 Qwen3.5 Plus 2026-02-15 none Release: 2026-02-15
Score 6.3 5.8
Rank #91 #109
Reliability 10.0 10.0
Consistency 9.4 9.4
Tests Correct
Attempt pass rate 69.8% 46.0%
Flaky tests 1 2
Total Runs 63 63
Cost per result 0.257 0.204
Total Cost $0.033 $0.016
Input Price $0.120 / 1M $0.260 / 1M
Output Price $0.350 / 1M $1.560 / 1M
Total Input Tokens 17,957 45,864
Output Tokens 22,356 2,480
Reasoning Tokens 65,726 0
Response Time (avg) 56.55s 2.31s
Response Time (max) 437.40s 6.65s
Response Time (total) 1074.41s 34.63s

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

#109 Qwen3.5 Plus 2026-02-15

none
Cost
$0.012
Time
153.2s
Tokens
7,787 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
Qwen3.5 Plus 2026-02-15 4.8 10.0 25.0% 0 1.91s 696 517 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
Qwen3.5 Plus 2026-02-15 4.3 7.9 11.1% 1 2.05s 7,913 473 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
Qwen3.5 Plus 2026-02-15 3.0 10.0 0.0% 0 6.65s 18,304 314 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
Qwen3.5 Plus 2026-02-15 10.0 10.0 100.0% 0 1.89s 7,794 243 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
Qwen3.5 Plus 2026-02-15 5.3 10.0 33.3% 0 1.17s 789 17 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
Qwen3.5 Plus 2026-02-15 4.4 3.0 33.3% 1 2.26s 522 117 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
Qwen3.5 Plus 2026-02-15 10.0 10.0 100.0% 0 1.67s 711 72 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
Qwen3.5 Plus 2026-02-15 7.7 10.0 66.7% 0 2.71s 714 494 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
Qwen3.5 Plus 2026-02-15 10.0 10.0 100.0% 0 3.33s 8,211 222 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
Qwen3.5 Plus 2026-02-15 3.0 10.0 0.0% 0 1.11s 210 11 0

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