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DeepSeek: DeepSeek V4 Pro vs Google: Gemini 2.5 Flash

Last updated at: 2026-05-29

Metric DeepSeek V4 Pro DeepSeek V4 Pro none Release: 2026-04-24 Gemini 2.5 Flash Gemini 2.5 Flash none Release: 2025-06-17
Score 6.2 6.4
Rank #98 #95
Reliability 8.5 10.0
Consistency 8.9 9.6
Tests Correct
Attempt pass rate 48.3% 48.3%
Flaky tests 3 1
Total Runs 60 60
Cost per result 0.564 0.159
Total Cost $0.046 $0.015
Input Price $0.435 / 1M $0.300 / 1M
Output Price $0.870 / 1M $2.500 / 1M
Output Tokens 5,345 1,764
Reasoning Tokens 0 0
Response Time (avg) 12.91s 889ms
Response Time (max) 58.65s 4.39s
Response Time (total) 258.27s 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 3.5 8.0 16.7% 1 14.02s 704 0
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 5.4 6.8 33.3% 1 8.27s 527 0
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 9.5 10.0 100.0% 0 25.49s 1,911 0
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 10.0 10.0 100.0% 0 30.54s 170 0
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 5.3 10.0 33.3% 0 3.17s 18 0
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 4.3 9.9 0.0% 0 3.75s 132 0
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 6.3 10.0 50.0% 0 8.23s 64 0
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 7.6 7.2 77.8% 1 15.95s 173 0
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 5.92s 219 0
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 15.59s 1,427 0
Gemini 2.5 Flash 3.0 10.0 0.0% 0 1.15s 12 0

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