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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 9.4 vs 7.7. DeepSeek V4 Flash has the lower benchmark cost at $0.029 vs $0.349. Gemini 3.5 Flash is faster at 3.27s vs 45.85s, with pass rates of 74.6% vs 90.5%.

Recommended model: Gemini 3.5 Flash - It has the best score here (9.4), while responding about 14.0x 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 low Release: 2026-05-19
Score 7.7 9.4
Rank #31 #3
Reliability 10.0 10.0
Consistency 8.5 10.0
Tests Correct
Attempt pass rate 74.6% 90.5%
Flaky tests 4 0
Total Runs 63 63
Cost per result 0.299 1.834
Total Cost $0.029 $0.349
Input Price $0.099 / 1M $1.500 / 1M
Output Price $0.197 / 1M $9.000 / 1M
Total Input Tokens 39,745 36,938
Output Tokens 10,310 2,033
Reasoning Tokens 123,501 30,519
Response Time (avg) 45.85s 3.27s
Response Time (max) 218.13s 9.05s
Response Time (total) 962.79s 68.65s

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

#3 Gemini 3.5 Flash

low
Cost
$0.068
Time
39.1s
Tokens
7,588 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 2.52s 494 209 2,536
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 7.8 10.0 66.7% 0 6.71s 8,118 458 13,420
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 6.44s 12,873 351 3,050
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 1.81s 7,548 279 1,164
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 7.7 10.0 66.7% 0 3.39s 633 12 4,538
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 2.27s 486 119 916
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 9.9 10.0 100.0% 0 1.86s 615 71 1,652
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 2.35s 558 288 2,150
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 10.0 10.0 100.0% 0 3.27s 5,457 234 403
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 1.88s 156 12 690

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