DeepSeek V3.1 Terminus
VS
DeepSeek V4 Pro
DeepSeek V3.1 Terminus vs DeepSeek V4 Pro: 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 wins 19 of 22 task areas we tested; DeepSeek V3.1 Terminus takes 3. DeepSeek V3.1 Terminus costs 1.1× less per token ($1.22 vs $1.305 per 1M).
DeepSeek V3.1 Terminus costs 1.1× less per token ($1.22 vs $1.305 per 1M).
Task by task
| Task area | DeepSeek V3.1 Terminus | DeepSeek V4 Pro | Winner |
|---|---|---|---|
| Content & Brand |
#100
/ 124
Usable
|
#29
/ 124
Strong
|
DeepSeek V4 Pro |
| Translation & Localization |
#101
/ 110
Strong
|
#32
/ 110
Excellent
|
DeepSeek V4 Pro |
| Chef / Home Cooking |
#95
/ 126
Usable
|
#32
/ 126
Usable
|
DeepSeek V4 Pro |
| Presentations & Decks |
#91
/ 110
Strong
|
#31
/ 110
Excellent
|
DeepSeek V4 Pro |
| RAG, Safety & Grounding |
#85
/ 113
Excellent
|
#27
/ 113
Excellent
|
DeepSeek V4 Pro |
| Legal & HR |
#95
/ 110
Strong
|
#40
/ 110
Excellent
|
DeepSeek V4 Pro |
| Sales |
#97
/ 110
Needs editing
|
#44
/ 110
Usable
|
DeepSeek V4 Pro |
| Coding |
#92
/ 115
Usable
|
#43
/ 115
Strong
|
DeepSeek V4 Pro |
| Structured Output |
#63
/ 113
Excellent
|
#23
/ 113
Excellent
|
DeepSeek V4 Pro |
| Creative & Comedy | #89 / 110 | #50 / 110 | DeepSeek V4 Pro |
| Executive Assistant |
#77
/ 112
Usable
|
#38
/ 112
Strong
|
DeepSeek V4 Pro |
| AI Strategy |
#101
/ 126
Usable
|
#68
/ 126
Strong
|
DeepSeek V4 Pro |
| Investor & Pitch |
#64
/ 66
Needs editing
|
#33
/ 66
Strong
|
DeepSeek V4 Pro |
| Landing Pages |
#44
/ 72
Strong
|
#16
/ 72
Strong
|
DeepSeek V4 Pro |
| Frontend & Landing Pages |
#33
/ 109
Needs editing
|
#6
/ 109
Usable
|
DeepSeek V4 Pro |
| Knowledge & Docs |
#50
/ 110
Usable
|
#25
/ 110
Strong
|
DeepSeek V4 Pro |
| Product & Project Management |
#36
/ 110
Strong
|
#12
/ 110
Excellent
|
DeepSeek V4 Pro |
| Summarization & Meeting Notes |
#32
/ 110
Excellent
|
#55
/ 110
Excellent
|
DeepSeek V3.1 Terminus |
| Customer Support |
#69
/ 113
Usable
|
#52
/ 113
Strong
|
DeepSeek V4 Pro |
| Training & Education |
#31
/ 110
Excellent
|
#41
/ 110
Excellent
|
DeepSeek V3.1 Terminus |
| Data & Analytics |
#56
/ 110
Excellent
|
#60
/ 110
Excellent
|
DeepSeek V3.1 Terminus |
| Research & Competitive Analysis |
#46
/ 110
Strong
|
#44
/ 110
Strong
|
DeepSeek V4 Pro |
Rank = position among every model config we tested in that task area (lower is better). Sorted by biggest gap first.
Frequently asked
Is DeepSeek V3.1 Terminus better than DeepSeek V4 Pro?
Across 22 task areas we benchmarked, DeepSeek V4 Pro ranks higher in 19 and DeepSeek V3.1 Terminus in 3.
Which is cheaper, DeepSeek V3.1 Terminus or DeepSeek V4 Pro?
DeepSeek V3.1 Terminus costs 1.1× less per token ($1.22 vs $1.305 per 1M).
What is DeepSeek V3.1 Terminus better at?
DeepSeek V3.1 Terminus out-ranks DeepSeek V4 Pro at Summarization & Meeting Notes, Training & Education, Data & Analytics.
What is DeepSeek V4 Pro better at?
DeepSeek V4 Pro out-ranks DeepSeek V3.1 Terminus at Content & Brand, Translation & Localization, Chef / Home Cooking.
More comparisons
This page is Spring Prompt, running in public
We just did this for every model. Do it for your prompt.
The rankings above come from running real tasks through real models and scoring every output. Spring Prompt is that same engine — pointed at your prompt, your test cases, and your definition of good.
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- Compare models side by side with quality, cost and latency in one matrix.
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Prompt × model results
12 test cases · 3 evals