DeepSeek V4 Pro
VS
Gemini 3.1 Pro Preview
DeepSeek V4 Pro vs Gemini 3.1 Pro Preview: 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.
Gemini 3.1 Pro Preview wins 19 of 22 task areas we tested; DeepSeek V4 Pro takes 3. DeepSeek V4 Pro costs 10.7× less per token ($1.305 vs $14 per 1M).
DeepSeek V4 Pro costs 10.7× less per token ($1.305 vs $14 per 1M).
Task by task
| Task area | DeepSeek V4 Pro | Gemini 3.1 Pro Preview | Winner |
|---|---|---|---|
| Summarization & Meeting Notes |
#55
/ 110
Excellent
|
#4
/ 110
Excellent
|
Gemini 3.1 Pro Preview |
| Customer Support |
#52
/ 113
Strong
|
#2
/ 113
Strong
|
Gemini 3.1 Pro Preview |
| Creative & Comedy | #50 / 110 | #4 / 110 | Gemini 3.1 Pro Preview |
| Training & Education |
#41
/ 110
Excellent
|
#4
/ 110
Excellent
|
Gemini 3.1 Pro Preview |
| AI Strategy |
#68
/ 126
Strong
|
#33
/ 126
Strong
|
Gemini 3.1 Pro Preview |
| Frontend & Landing Pages |
#6
/ 109
Usable
|
#34
/ 109
Needs editing
|
DeepSeek V4 Pro |
| Chef / Home Cooking |
#32
/ 126
Usable
|
#6
/ 126
Strong
|
Gemini 3.1 Pro Preview |
| Executive Assistant |
#38
/ 112
Strong
|
#14
/ 112
Strong
|
Gemini 3.1 Pro Preview |
| Legal & HR |
#40
/ 110
Excellent
|
#17
/ 110
Excellent
|
Gemini 3.1 Pro Preview |
| Coding |
#43
/ 115
Strong
|
#64
/ 115
Strong
|
DeepSeek V4 Pro |
| Data & Analytics |
#60
/ 110
Excellent
|
#39
/ 110
Excellent
|
Gemini 3.1 Pro Preview |
| Investor & Pitch |
#33
/ 66
Strong
|
#13
/ 66
Strong
|
Gemini 3.1 Pro Preview |
| RAG, Safety & Grounding |
#27
/ 113
Excellent
|
#8
/ 113
Excellent
|
Gemini 3.1 Pro Preview |
| Content & Brand |
#29
/ 124
Strong
|
#11
/ 124
Strong
|
Gemini 3.1 Pro Preview |
| Translation & Localization |
#32
/ 110
Excellent
|
#14
/ 110
Excellent
|
Gemini 3.1 Pro Preview |
| Product & Project Management |
#12
/ 110
Excellent
|
#25
/ 110
Excellent
|
DeepSeek V4 Pro |
| Sales |
#44
/ 110
Usable
|
#32
/ 110
Strong
|
Gemini 3.1 Pro Preview |
| Structured Output |
#23
/ 113
Excellent
|
#15
/ 113
Excellent
|
Gemini 3.1 Pro Preview |
| Presentations & Decks |
#31
/ 110
Excellent
|
#24
/ 110
Excellent
|
Gemini 3.1 Pro Preview |
| Knowledge & Docs |
#25
/ 110
Strong
|
#19
/ 110
Strong
|
Gemini 3.1 Pro Preview |
| Landing Pages |
#16
/ 72
Strong
|
#14
/ 72
Strong
|
Gemini 3.1 Pro Preview |
| Research & Competitive Analysis |
#44
/ 110
Strong
|
#42
/ 110
Strong
|
Gemini 3.1 Pro Preview |
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 Gemini 3.1 Pro Preview?
Across 22 task areas we benchmarked, Gemini 3.1 Pro Preview ranks higher in 19 and DeepSeek V4 Pro in 3.
Which is cheaper, DeepSeek V4 Pro or Gemini 3.1 Pro Preview?
DeepSeek V4 Pro costs 10.7× less per token ($1.305 vs $14 per 1M).
What is DeepSeek V4 Pro better at?
DeepSeek V4 Pro out-ranks Gemini 3.1 Pro Preview at Frontend & Landing Pages, Coding, Product & Project Management.
What is Gemini 3.1 Pro Preview better at?
Gemini 3.1 Pro Preview out-ranks DeepSeek V4 Pro at Summarization & Meeting Notes, Customer Support, Creative & Comedy.
More comparisons
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Prompt × model results
12 test cases · 3 evals