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DeepSeek: DeepSeek V4 Flash vs OpenAI: GPT-5 Mini

GPT-5 Mini (medium) leads on average score with 8.1 vs 7.7. DeepSeek V4 Flash (high) has the lower benchmark cost at $0.042 vs $0.237. GPT-5 Mini (medium) is faster at 27.63s vs 49.75s, with pass rates of 72.7% vs 63.6%.

Recommended modelDeepSeek V4 Flash (high)Its score stays close to the best score here (7.7 vs 8.1), while costing about 5.6x less than GPT-5 Mini (medium).

Last updated at: 2026-07-17

Metric DeepSeek V4 Flash DeepSeek V4 Flash high Release: 2026-04-24 GPT-5 Mini GPT-5 Mini medium Release: 2025-08-07
Score 7.7 8.1
Rank #43 #26
Reliability 10.0 10.0
Consistency 8.2 8.8
Tests Correct
Attempt pass rate 72.7% 63.6%
Flaky tests 5 3
Total Runs 66 66
Cost per result 0.402 1.971
Total Cost $0.042 $0.237
Input Price $0.098 / 1M $0.250 / 1M
Output Price $0.196 / 1M $2.000 / 1M
Total Input Tokens 108,392 98,374
Output Tokens 14,478 14,434
Reasoning Tokens 153,687 91,498
Response Time (avg) 49.75s 27.63s
Response Time (max) 218.13s 111.48s
Response Time (total) 1094.41s 607.92s

Hamster playing table tennis

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

#43 DeepSeek V4 Flash

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

#26 GPT-5 Mini

medium
Cost
$0.007
Time
42.9s
Tokens
3,432 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

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
GPT-5 Mini 10.0 10.0 100.0% 0 27.63s 7,302 658 17,152

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