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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 low Release: 2026-05-19
Score 6.0 9.3
Rank #95 #3
Reliability 8.1 10.0
Consistency 8.9 10.0
Tests Correct
Attempt pass rate 48.3% 90.0%
Flaky tests 3 0
Total Runs 60 60
Cost per result 0.564 1.582
Total Cost $0.046 $0.285
Input Price $0.435 / 1M $1.500 / 1M
Output Price $0.870 / 1M $9.000 / 1M
Output Tokens 5,347 2,027
Reasoning Tokens 0 23,938
Response Time (avg) 13.48s 2.98s
Response Time (max) 58.65s 6.44s
Response Time (total) 269.56s 59.59s

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 2.52s 209 2,536
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 6.8 10.0 50.0% 0 5.54s 452 6,839
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 6.44s 351 3,050
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 1.81s 279 1,164
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 7.7 10.0 66.7% 0 3.39s 12 4,538
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 2.27s 119 916
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 9.9 10.0 100.0% 0 1.86s 71 1,652
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 2.35s 288 2,150
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 10.0 10.0 100.0% 0 3.27s 234 403
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 1.88s 12 690

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