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DeepSeek: DeepSeek V4 Flash vs DeepSeek: DeepSeek V4 Pro

Summary

DeepSeek V4 Flash vs DeepSeek V4 Pro benchmark comparison: DeepSeek V4 Flash leads on average score with 8.3 vs 7.6. DeepSeek V4 Flash has the lower benchmark cost at $0.027 vs $0.157. DeepSeek V4 Flash is faster at 45.85s vs 77.20s, with pass rates of 74.6% vs 66.7%.

Recommended model: DeepSeek V4 Flash - It has the best score here (8.3), while costing about 6.0x less than DeepSeek V4 Pro.

Last updated at: 2026-06-18

Metric DeepSeek V4 Flash DeepSeek V4 Flash high Release: 2026-04-24 DeepSeek V4 Pro DeepSeek V4 Pro high Release: 2026-04-24
Score 8.3 7.6
Rank #23 #41
Reliability 10.0 9.3
Consistency 8.5 7.0
Tests Correct
Attempt pass rate 74.6% 66.7%
Flaky tests 4 8
Total Runs 63 63
Cost per result 0.299 1.742
Total Cost $0.027 $0.157
Input Price $0.090 / 1M $0.435 / 1M
Output Price $0.180 / 1M $0.870 / 1M
Total Input Tokens 39,745 38,726
Output Tokens 10,310 6,334
Reasoning Tokens 123,501 159,151
Response Time (avg) 45.85s 77.20s
Response Time (max) 218.13s 416.76s
Response Time (total) 962.79s 1621.17s

Generation showcase

Hamster playing table tennis

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

#23 DeepSeek V4 Flash

high
Cost
$0.003
Time
93.1s
Tokens
7,926 tok

#41 DeepSeek V4 Pro

high
Cost
$0.023
Time
257.6s
Tokens
14,870 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 Flash 8.3 10.0 75.0% 0 28.51s 540 140 7,770
DeepSeek V4 Pro 5.7 5.9 58.3% 2 25.70s 536 149 3,214
Coding Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 7.8 10.0 66.7% 0 50.60s 7,279 395 34,862
DeepSeek V4 Pro 6.1 4.6 66.7% 2 243.00s 5,090 383 84,580
Combined Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 10.0 10.0 100.0% 0 76.57s 14,016 465 7,347
DeepSeek V4 Pro 10.0 10.0 100.0% 0 38.17s 14,060 454 5,836
Data parsing and extraction Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 10.0 10.0 100.0% 0 28.03s 7,290 201 1,179
DeepSeek V4 Pro 10.0 10.0 100.0% 0 25.03s 7,690 274 2,166
Domain specific Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 4.1 4.4 44.5% 2 100.31s 666 27 59,249
DeepSeek V4 Pro 3.6 7.2 22.2% 1 151.46s 569 4,404 50,391
General Intelligence Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 6.1 3.1 66.7% 1 25.15s 471 79 632
DeepSeek V4 Pro 10.0 10.0 100.0% 0 8.83s 471 115 1,013
Instructions following Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 10.0 10.0 100.0% 0 15.36s 627 63 1,622
DeepSeek V4 Pro 7.8 6.6 83.3% 1 8.73s 627 66 2,726
Puzzle Solving Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 8.2 7.2 88.9% 1 26.11s 594 196 1,767
DeepSeek V4 Pro 6.9 4.9 77.8% 2 56.85s 591 178 2,563
Tool Calling Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 10.0 10.0 100.0% 0 74.73s 8,079 228 542
DeepSeek V4 Pro 9.8 10.0 100.0% 0 15.92s 8,909 295 701
Trivia Score Consistency Attempt pass rate Flaky tests Tests Correct Response Time (avg) Input Tokens Output Tokens Reasoning Tokens
DeepSeek V4 Flash 3.0 10.0 0.0% 0 54.46s 183 8,516 8,531
DeepSeek V4 Pro 3.0 10.0 0.0% 0 34.01s 183 16 5,961

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