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DeepSeek: DeepSeek V4 Flash vs Google: Gemini 3.5 Flash

Summary

DeepSeek V4 Flash vs Gemini 3.5 Flash benchmark comparison: Gemini 3.5 Flash leads on average score with 9.6 vs 7.7. DeepSeek V4 Flash has the lower benchmark cost at $0.029 vs $1.115. Gemini 3.5 Flash is faster at 8.84s vs 45.85s, with pass rates of 74.6% vs 96.8%.

Recommended model: Gemini 3.5 Flash - It has the best score here (9.6), while responding about 5.2x faster than DeepSeek V4 Flash.

Last updated at: 2026-06-04

Metric DeepSeek V4 Flash DeepSeek V4 Flash high Release: 2026-04-24 Gemini 3.5 Flash Gemini 3.5 Flash high Release: 2026-05-19
Score 7.7 9.6
Rank #31 #2
Reliability 10.0 10.0
Consistency 8.5 9.6
Tests Correct
Attempt pass rate 74.6% 96.8%
Flaky tests 4 1
Total Runs 63 63
Cost per result 0.299 5.575
Total Cost $0.029 $1.115
Input Price $0.099 / 1M $1.500 / 1M
Output Price $0.197 / 1M $9.000 / 1M
Total Input Tokens 39,745 37,594
Output Tokens 10,310 1,975
Reasoning Tokens 123,501 115,638
Response Time (avg) 45.85s 8.84s
Response Time (max) 218.13s 34.82s
Response Time (total) 962.79s 185.57s

Generation showcase

Hamster playing table tennis

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

#31 DeepSeek V4 Flash

high
Cost
$0.003
Time
93.1s
Tokens
7,926 tok

#2 Gemini 3.5 Flash

high
Cost
$0.208
Time
118.2s
Tokens
23,158 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
DeepSeek V4 Flash 8.3 10.0 75.0% 0 28.51s 540 140 7,770
Gemini 3.5 Flash 10.0 10.0 100.0% 0 2.57s 492 174 4,997
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 7.8 10.0 66.7% 0 50.60s 7,279 395 34,862
Gemini 3.5 Flash 10.0 10.0 100.0% 0 22.96s 8,118 456 47,129
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 10.0 10.0 100.0% 0 76.57s 14,016 465 7,347
Gemini 3.5 Flash 10.0 10.0 100.0% 0 22.37s 12,873 351 16,323
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 10.0 10.0 100.0% 0 28.03s 7,290 201 1,179
Gemini 3.5 Flash 10.0 10.0 100.0% 0 6.43s 7,548 279 8,466
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 4.1 4.4 44.5% 2 100.31s 666 27 59,249
Gemini 3.5 Flash 7.6 7.2 77.8% 1 14.09s 633 12 24,721
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 6.1 3.1 66.7% 1 25.15s 471 79 632
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.63s 486 115 1,650
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 10.0 10.0 100.0% 0 15.36s 627 63 1,622
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.35s 615 70 3,799
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 8.2 7.2 88.9% 1 26.11s 594 196 1,767
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.23s 558 241 4,940
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 10.0 10.0 100.0% 0 74.73s 8,079 228 542
Gemini 3.5 Flash 9.8 10.0 100.0% 0 4.96s 6,115 265 1,608
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 3.0 10.0 0.0% 0 54.46s 183 8,516 8,531
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.94s 156 12 2,005

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