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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 high Release: 2026-04-24 Gemini 3.5 Flash Gemini 3.5 Flash low Release: 2026-05-19
Score 6.6 9.3
Rank #80 #3
Reliability 9.0 10.0
Consistency 8.3 10.0
Tests Correct
Attempt pass rate 66.7% 90.0%
Flaky tests 4 0
Total Runs 60 60
Cost per result 1.927 1.582
Total Cost $0.212 $0.285
Input Price $0.435 / 1M $1.500 / 1M
Output Price $0.870 / 1M $9.000 / 1M
Output Tokens 12,211 2,027
Reasoning Tokens 53,774 23,938
Response Time (avg) 58.93s 2.98s
Response Time (max) 358.35s 6.44s
Response Time (total) 1119.75s 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 7.4 10.0 75.0% 0 16.53s 71 3,617
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 2.8 5.0 25.0% 1 51.77s 105 2,641
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 10.0 10.0 100.0% 0 65.02s 465 5,914
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 23.62s 229 1,710
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 3.0 6.9 16.7% 1 205.66s 10,529 28,089
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 6.1 3.1 66.7% 1 25.09s 76 1,152
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 10.0 10.0 100.0% 0 41.16s 205 2,416
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 7.4 7.2 88.9% 1 34.92s 106 3,835
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 21.33s 372 593
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 39.14s 53 3,807
Gemini 3.5 Flash 10.0 10.0 100.0% 0 1.88s 12 690

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