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DeepSeek: DeepSeek V4 Pro vs Google: Gemini 3.5 Flash

Last updated at: 2026-05-22

Metric DeepSeek V4 Pro DeepSeek V4 Pro none Release: 2026-04-24 Gemini 3.5 Flash Gemini 3.5 Flash high Release: 2026-05-19
Score 6.0 9.6
Rank #95 #2
Reliability 8.1 10.0
Consistency 8.9 9.6
Tests Correct
Attempt pass rate 48.3% 96.7%
Flaky tests 3 1
Total Runs 60 60
Cost per result 0.564 5.231
Total Cost $0.046 $0.994
Input Price $0.435 / 1M $1.500 / 1M
Output Price $0.870 / 1M $9.000 / 1M
Output Tokens 5,347 1,969
Reasoning Tokens 0 102,679
Response Time (avg) 13.48s 8.30s
Response Time (max) 58.65s 34.82s
Response Time (total) 269.56s 165.92s

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) Output Tokens Reasoning Tokens
DeepSeek V4 Pro 3.5 8.0 16.7% 1 14.02s 704 0
Gemini 3.5 Flash 10.0 10.0 100.0% 0 2.57s 174 4,997
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
DeepSeek V4 Pro 5.4 6.8 33.3% 1 8.27s 527 0
Gemini 3.5 Flash 10.0 10.0 100.0% 0 24.62s 450 34,170
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
DeepSeek V4 Pro 9.5 10.0 100.0% 0 25.49s 1,911 0
Gemini 3.5 Flash 10.0 10.0 100.0% 0 22.37s 351 16,323
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
DeepSeek V4 Pro 8.8 10.0 100.0% 0 30.54s 170 0
Gemini 3.5 Flash 10.0 10.0 100.0% 0 6.43s 279 8,466
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
DeepSeek V4 Pro 5.3 10.0 33.3% 0 3.17s 18 0
Gemini 3.5 Flash 7.6 7.2 77.8% 1 14.09s 12 24,721
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
DeepSeek V4 Pro 4.3 9.9 0.0% 0 3.75s 132 0
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.63s 115 1,650
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
DeepSeek V4 Pro 6.3 10.0 50.0% 0 8.23s 64 0
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.35s 70 3,799
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
DeepSeek V4 Pro 7.6 7.2 77.8% 1 19.72s 175 0
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.23s 241 4,940
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
DeepSeek V4 Pro 10.0 10.0 100.0% 0 5.92s 219 0
Gemini 3.5 Flash 9.8 10.0 100.0% 0 4.96s 265 1,608
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
DeepSeek V4 Pro 3.0 10.0 0.0% 0 15.59s 1,427 0
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.94s 12 2,005

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