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DeepSeek: DeepSeek V4 Pro vs Google: Gemini 2.5 Flash

Last updated at: 2026-05-28

Metric DeepSeek V4 Pro DeepSeek V4 Pro high Release: 2026-04-24 Gemini 2.5 Flash Gemini 2.5 Flash none Release: 2025-06-17
Score 6.6 6.4
Rank #85 #92
Reliability 8.9 10.0
Consistency 8.7 9.6
Tests Correct
Attempt pass rate 63.3% 48.3%
Flaky tests 3 1
Total Runs 60 60
Cost per result 1.935 0.159
Total Cost $0.062 $0.015
Input Price $0.435 / 1M $0.300 / 1M
Output Price $0.870 / 1M $2.500 / 1M
Output Tokens 12,244 1,764
Reasoning Tokens 53,958 0
Response Time (avg) 58.92s 889ms
Response Time (max) 358.35s 4.39s
Response Time (total) 1119.51s 17.79s

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 2.5 Flash 3.0 10.0 0.0% 0 582ms 102 0
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 2.5 Flash 6.8 10.0 50.0% 0 810ms 477 0
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 2.5 Flash 3.0 10.0 0.0% 0 4.39s 366 0
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 2.5 Flash 10.0 10.0 100.0% 0 652ms 279 0
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 2.5 Flash 5.9 7.2 55.6% 1 495ms 12 0
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 2.5 Flash 5.0 10.0 0.0% 0 615ms 78 0
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 2.5 Flash 10.0 10.0 100.0% 0 590ms 72 0
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Output Tokens Reasoning Tokens
DeepSeek V4 Pro 6.9 10.0 66.7% 0 34.84s 139 4,019
Gemini 2.5 Flash 7.7 10.0 66.7% 0 604ms 132 0
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 2.5 Flash 10.0 10.0 100.0% 0 1.91s 234 0
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 2.5 Flash 3.0 10.0 0.0% 0 1.15s 12 0

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