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DeepSeek: DeepSeek V4 Pro vs Google: Gemini 3.1 Flash Lite

Summary

DeepSeek V4 Pro vs Gemini 3.1 Flash Lite benchmark comparison: Gemini 3.1 Flash Lite leads on average score with 6.4 vs 6.2. DeepSeek V4 Pro has the lower benchmark cost at $0.025 vs $0.028. Gemini 3.1 Flash Lite is faster at 1.89s vs 12.38s, with pass rates of 42.9% vs 61.9%.

Recommended model: Gemini 3.1 Flash Lite - It has the best score here (6.4), while responding about 6.6x faster than DeepSeek V4 Pro.

Last updated at: 2026-06-12

Metric DeepSeek V4 Pro DeepSeek V4 Pro none Release: 2026-04-24 Gemini 3.1 Flash Lite Gemini 3.1 Flash Lite low Release: 2026-05-08
Score 6.2 6.4
Rank #91 #83
Reliability 8.5 10.0
Consistency 8.5 9.3
Tests Correct
Attempt pass rate 42.9% 61.9%
Flaky tests 4 2
Total Runs 63 63
Cost per result 0.660 0.227
Total Cost $0.025 $0.028
Input Price $0.435 / 1M $0.250 / 1M
Output Price $0.870 / 1M $1.500 / 1M
Total Input Tokens 44,845 36,892
Output Tokens 5,349 2,732
Reasoning Tokens 0 9,260
Response Time (avg) 12.38s 1.89s
Response Time (max) 58.65s 5.66s
Response Time (total) 260.06s 39.62s

Generation showcase

Hamster playing table tennis

Prompt: Create a detailed SVG illustration of a hamster playing table tennis.

#91 DeepSeek V4 Pro

none
Invalid SVG
Cost
$0.000
Time
300.0s
Tokens
0 tok

#83 Gemini 3.1 Flash Lite

low
Cost
$0.003
Time
4.0s
Tokens
1,479 tok

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) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Pro 3.5 8.0 16.7% 1 14.02s 540 704 0
Gemini 3.1 Flash Lite 7.3 6.2 75.0% 2 1.84s 500 1,013 1,548
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Pro 4.6 7.9 22.2% 1 6.11s 7,279 531 0
Gemini 3.1 Flash Lite 5.5 10.0 33.3% 0 1.53s 8,132 471 1,072
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Pro 9.5 10.0 100.0% 0 25.49s 20,773 1,911 0
Gemini 3.1 Flash Lite 3.0 10.0 0.0% 0 4.48s 12,870 348 975
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Pro 6.9 5.8 66.7% 1 30.54s 5,633 170 0
Gemini 3.1 Flash Lite 10.0 10.0 100.0% 0 1.44s 7,453 291 697
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Pro 5.3 10.0 33.3% 0 3.17s 666 18 0
Gemini 3.1 Flash Lite 5.3 10.0 33.3% 0 1.52s 639 15 1,214
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Pro 4.3 9.9 0.0% 0 3.75s 471 132 0
Gemini 3.1 Flash Lite 4.0 10.0 0.0% 0 1.37s 492 69 438
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Pro 6.3 10.0 50.0% 0 8.23s 627 64 0
Gemini 3.1 Flash Lite 10.0 10.0 100.0% 0 1.52s 619 72 760
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Pro 7.6 7.2 77.8% 1 15.95s 594 173 0
Gemini 3.1 Flash Lite 10.0 10.0 100.0% 0 1.40s 570 210 1,191
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Pro 10.0 10.0 100.0% 0 5.92s 8,079 219 0
Gemini 3.1 Flash Lite 10.0 10.0 100.0% 0 5.66s 5,457 234 945
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Pro 3.0 10.0 0.0% 0 15.59s 183 1,427 0
Gemini 3.1 Flash Lite 3.0 10.0 0.0% 0 1.46s 160 9 420

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