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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 6.3. Gemini 3.1 Flash Lite has the lower benchmark cost at $0.028 vs $0.079. Gemini 3.1 Flash Lite is faster at 1.89s vs 65.21s, with pass rates of 52.4% vs 61.9%.

Recommended model: Gemini 3.1 Flash Lite - It has the best score here (6.4), while costing about 2.9x less than DeepSeek V4 Pro.

Last updated at: 2026-06-12

Metric DeepSeek V4 Pro DeepSeek V4 Pro high Release: 2026-04-24 Gemini 3.1 Flash Lite Gemini 3.1 Flash Lite low Release: 2026-05-08
Score 6.3 6.4
Rank #90 #83
Reliability 9.0 10.0
Consistency 7.6 9.3
Tests Correct
Attempt pass rate 52.4% 61.9%
Flaky tests 6 2
Total Runs 63 63
Cost per result 2.869 0.227
Total Cost $0.079 $0.028
Input Price $0.435 / 1M $0.250 / 1M
Output Price $0.870 / 1M $1.500 / 1M
Total Input Tokens 32,240 36,892
Output Tokens 12,250 2,732
Reasoning Tokens 72,257 9,260
Response Time (avg) 65.21s 1.89s
Response Time (max) 358.35s 5.66s
Response Time (total) 1304.19s 39.62s

Generation showcase

Hamster playing table tennis

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

#90 DeepSeek V4 Pro

high
Cost
$0.023
Time
257.6s
Tokens
14,870 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 6.4 7.9 58.3% 1 16.53s 448 71 3,617
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 3.3 6.4 11.1% 1 118.23s 1,966 111 20,940
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 10.0 10.0 100.0% 0 65.02s 14,016 465 5,914
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 7.3 5.9 83.3% 1 23.62s 5,633 229 1,710
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 2.9 7.2 11.1% 1 205.66s 430 10,529 28,089
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 6.1 3.1 66.7% 1 25.09s 314 76 1,152
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 10.0 10.0 100.0% 0 41.16s 627 205 2,416
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 5.9 7.2 55.6% 1 34.84s 544 139 4,019
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 21.33s 8,079 372 593
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 39.14s 183 53 3,807
Gemini 3.1 Flash Lite 3.0 10.0 0.0% 0 1.46s 160 9 420

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