DeepSeek V4 Pro
VS
GPT-5.4 Mini
DeepSeek V4 Pro vs GPT-5.4 Mini: which wins at real work?
22 task areas · same graded test runs · rank comparison only, so 0–100 and Elo collections never mix raw scores.
DeepSeek V4 Pro and GPT-5.4 Mini split the 22 task areas we tested 11–11. DeepSeek V4 Pro costs 4.0× less per token ($1.305 vs $5.25 per 1M).
DeepSeek V4 Pro costs 4.0× less per token ($1.305 vs $5.25 per 1M).
Task by task
| Task area | DeepSeek V4 Pro | GPT-5.4 Mini | Winner |
|---|---|---|---|
| Content & Brand |
#29
/ 124
Strong
|
#84
/ 124
Usable
|
DeepSeek V4 Pro |
| Chef / Home Cooking |
#32
/ 126
Usable
|
#83
/ 126
Usable
|
DeepSeek V4 Pro |
| Executive Assistant |
#38
/ 112
Strong
|
#87
/ 112
Usable
|
DeepSeek V4 Pro |
| Training & Education |
#41
/ 110
Excellent
|
#79
/ 110
Strong
|
DeepSeek V4 Pro |
| Summarization & Meeting Notes |
#55
/ 110
Excellent
|
#19
/ 110
Excellent
|
GPT-5.4 Mini |
| Research & Competitive Analysis |
#44
/ 110
Strong
|
#11
/ 110
Excellent
|
GPT-5.4 Mini |
| Frontend & Landing Pages |
#6
/ 109
Usable
|
#38
/ 109
Needs editing
|
DeepSeek V4 Pro |
| Customer Support |
#52
/ 113
Strong
|
#21
/ 113
Strong
|
GPT-5.4 Mini |
| Landing Pages |
#16
/ 72
Strong
|
#45
/ 72
Usable
|
DeepSeek V4 Pro |
| Knowledge & Docs |
#25
/ 110
Strong
|
#3
/ 110
Excellent
|
GPT-5.4 Mini |
| Structured Output |
#23
/ 113
Excellent
|
#1
/ 113
Excellent
|
GPT-5.4 Mini |
| AI Strategy |
#68
/ 126
Strong
|
#48
/ 126
Strong
|
GPT-5.4 Mini |
| Coding |
#43
/ 115
Strong
|
#24
/ 115
Strong
|
GPT-5.4 Mini |
| Investor & Pitch |
#33
/ 66
Strong
|
#52
/ 66
Usable
|
DeepSeek V4 Pro |
| Presentations & Decks |
#31
/ 110
Excellent
|
#16
/ 110
Excellent
|
GPT-5.4 Mini |
| RAG, Safety & Grounding |
#27
/ 113
Excellent
|
#42
/ 113
Excellent
|
DeepSeek V4 Pro |
| Legal & HR |
#40
/ 110
Excellent
|
#26
/ 110
Excellent
|
GPT-5.4 Mini |
| Translation & Localization |
#32
/ 110
Excellent
|
#21
/ 110
Excellent
|
GPT-5.4 Mini |
| Product & Project Management |
#12
/ 110
Excellent
|
#19
/ 110
Excellent
|
DeepSeek V4 Pro |
| Creative & Comedy | #50 / 110 | #56 / 110 | DeepSeek V4 Pro |
| Data & Analytics |
#60
/ 110
Excellent
|
#65
/ 110
Excellent
|
DeepSeek V4 Pro |
| Sales |
#44
/ 110
Usable
|
#40
/ 110
Usable
|
GPT-5.4 Mini |
Rank = position among every model config we tested in that task area (lower is better). Sorted by biggest gap first.
Frequently asked
Is DeepSeek V4 Pro better than GPT-5.4 Mini?
They tie across the 22 task areas we benchmarked, at 11 apiece.
Which is cheaper, DeepSeek V4 Pro or GPT-5.4 Mini?
DeepSeek V4 Pro costs 4.0× less per token ($1.305 vs $5.25 per 1M).
What is DeepSeek V4 Pro better at?
DeepSeek V4 Pro out-ranks GPT-5.4 Mini at Content & Brand, Chef / Home Cooking, Executive Assistant.
What is GPT-5.4 Mini better at?
GPT-5.4 Mini out-ranks DeepSeek V4 Pro at Summarization & Meeting Notes, Research & Competitive Analysis, Customer Support.
More comparisons
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Prompt × model results
12 test cases · 3 evals