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Google: Gemini 3 Flash Preview vs Qwen: Qwen3.5 Plus 2026-04-20

Summary

Gemini 3 Flash Preview vs Qwen3.5 Plus 2026-04-20 benchmark comparison: Qwen3.5 Plus 2026-04-20 leads on average score with 7.6 vs 7.4. Gemini 3 Flash Preview has the lower benchmark cost at $0.025 vs $0.317. Gemini 3 Flash Preview is faster at 1.65s vs 46.36s, with pass rates of 66.7% vs 66.7%.

Recommended model: Gemini 3 Flash Preview - Its score stays close to the best score here (7.4 vs 7.6), while costing about 13.1x less than Qwen3.5 Plus 2026-04-20.

Last updated at: 2026-06-10

Metric Gemini 3 Flash Preview Gemini 3 Flash Preview none Release: 2025-12-17 Qwen3.5 Plus 2026-04-20 Qwen3.5 Plus 2026-04-20 medium Release: 2026-04-20
Score 7.4 7.6
Rank #49 #37
Reliability 10.0 10.0
Consistency 9.2 9.0
Tests Correct
Attempt pass rate 66.7% 66.7%
Flaky tests 2 2
Total Runs 63 63
Cost per result 0.186 3.023
Total Cost $0.025 $0.317
Input Price $0.500 / 1M $0.300 / 1M
Output Price $3.000 / 1M $1.800 / 1M
Total Input Tokens 37,011 42,097
Output Tokens 1,885 2,280
Reasoning Tokens 0 166,613
Response Time (avg) 1.65s 46.36s
Response Time (max) 3.56s 189.38s
Response Time (total) 23.07s 973.57s

Generation showcase

Hamster playing table tennis

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

#49 Gemini 3 Flash Preview

none
Cost
$0.003
Time
5.6s
Tokens
981 tok

#37 Qwen3.5 Plus 2026-04-20

medium
Cost
$0.008
Time
76.7s
Tokens
4,355 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 Flash Preview 8.3 10.0 75.0% 0 1.25s 498 214 0
Qwen3.5 Plus 2026-04-20 10.0 10.0 100.0% 0 10.84s 672 215 7,748
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 5.5 10.0 33.3% 0 1.80s 8,122 453 0
Qwen3.5 Plus 2026-04-20 6.2 8.7 33.3% 0 125.25s 7,630 308 58,682
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 4.7 1.6 66.7% 1 3.56s 12,862 350 0
Qwen3.5 Plus 2026-04-20 10.0 10.0 100.0% 0 92.41s 14,934 483 17,490
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 1.41s 7,263 279 0
Qwen3.5 Plus 2026-04-20 10.0 10.0 100.0% 0 38.32s 7,782 270 14,668
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 7.7 10.0 66.7% 0 963ms 643 18 0
Qwen3.5 Plus 2026-04-20 2.9 7.2 11.1% 1 53.10s 771 63 28,414
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 1.13s 490 104 0
Qwen3.5 Plus 2026-04-20 4.9 9.6 0.0% 0 25.30s 516 125 4,792
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 6.4 5.8 66.7% 1 1.58s 619 74 0
Qwen3.5 Plus 2026-04-20 10.0 10.0 100.0% 0 20.25s 699 103 7,689
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 7.7 10.0 66.7% 0 1.05s 574 144 0
Qwen3.5 Plus 2026-04-20 8.2 7.2 88.9% 1 17.67s 696 338 9,800
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 10.0 10.0 100.0% 0 3.35s 5,784 234 0
Qwen3.5 Plus 2026-04-20 10.0 10.0 100.0% 0 14.72s 8,193 348 2,164
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
Gemini 3 Flash Preview 3.0 10.0 0.0% 0 1.07s 156 15 0
Qwen3.5 Plus 2026-04-20 3.0 10.0 0.0% 0 92.57s 204 27 15,166

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