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DeepSeek: DeepSeek V4 Pro vs Google: Gemini 3.5 Flash

Last updated at: 2026-05-19

Metric DeepSeek V4 Pro DeepSeek V4 Pro high Release: 2026-04-24 Gemini 3.5 Flash Gemini 3.5 Flash medium Release: 2026-05-19
Score 6.9 9.2
Rank #72 #5
Reliability 9.3 10.0
Consistency 8.2 10.0
Tests Correct
Attempt pass rate 70.2% 89.5%
Flaky tests 4 0
Total Runs 57 57
Cost per result 1.927 2.307
Total Cost $0.212 $0.393
Input Price $0.435 / 1M $1.500 / 1M
Output Price $0.870 / 1M $9.000 / 1M
Output Tokens 12,211 1,971
Reasoning Tokens 53,774 36,659
Response Time (avg) 58.93s 3.90s
Response Time (max) 358.35s 12.05s
Response Time (total) 1119.75s 74.13s

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 7.4 10.0 75.0% 0 16.53s 71 3,617
Gemini 3.5 Flash 10.0 10.0 100.0% 0 2.09s 171 3,385
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
DeepSeek V4 Pro 2.6 0.0 50.0% 1 51.77s 105 2,641
Gemini 3.5 Flash 10.0 10.0 100.0% 0 8.22s 431 5,190
Combined 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 65.02s 465 5,914
Gemini 3.5 Flash 10.0 10.0 100.0% 0 12.05s 351 7,807
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 23.62s 229 1,710
Gemini 3.5 Flash 10.0 10.0 100.0% 0 4.07s 279 3,784
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
DeepSeek V4 Pro 3.0 6.9 16.7% 1 205.66s 10,529 28,089
Gemini 3.5 Flash 7.7 10.0 66.7% 0 5.24s 12 8,047
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
DeepSeek V4 Pro 6.1 3.1 66.7% 1 25.09s 76 1,152
Gemini 3.5 Flash 10.0 10.0 100.0% 0 2.52s 115 1,144
Instructions following 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 41.16s 205 2,416
Gemini 3.5 Flash 9.9 10.0 100.0% 0 2.70s 71 2,855
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
DeepSeek V4 Pro 7.4 7.2 88.9% 1 34.92s 106 3,835
Gemini 3.5 Flash 7.7 10.0 66.7% 0 2.38s 295 2,747
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 21.33s 372 593
Gemini 3.5 Flash 10.0 10.0 100.0% 0 3.81s 234 455
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 39.14s 53 3,807
Gemini 3.5 Flash 10.0 10.0 100.0% 0 2.75s 12 1,245

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