DeepSeek V3.1 Terminus
VS
Gemini 3.1 Pro Preview
DeepSeek V3.1 Terminus 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 21 of 22 task areas we tested; DeepSeek V3.1 Terminus takes 1. DeepSeek V3.1 Terminus costs 11.5× less per token ($1.22 vs $14 per 1M).
DeepSeek V3.1 Terminus costs 11.5× less per token ($1.22 vs $14 per 1M).
Task by task
| Task area | DeepSeek V3.1 Terminus | Gemini 3.1 Pro Preview | Winner |
|---|---|---|---|
| Chef / Home Cooking |
#95
/ 126
Usable
|
#6
/ 126
Strong
|
Gemini 3.1 Pro Preview |
| Content & Brand |
#100
/ 124
Usable
|
#11
/ 124
Strong
|
Gemini 3.1 Pro Preview |
| Translation & Localization |
#101
/ 110
Strong
|
#14
/ 110
Excellent
|
Gemini 3.1 Pro Preview |
| Creative & Comedy | #89 / 110 | #4 / 110 | Gemini 3.1 Pro Preview |
| Legal & HR |
#95
/ 110
Strong
|
#17
/ 110
Excellent
|
Gemini 3.1 Pro Preview |
| RAG, Safety & Grounding |
#85
/ 113
Excellent
|
#8
/ 113
Excellent
|
Gemini 3.1 Pro Preview |
| AI Strategy |
#101
/ 126
Usable
|
#33
/ 126
Strong
|
Gemini 3.1 Pro Preview |
| Customer Support |
#69
/ 113
Usable
|
#2
/ 113
Strong
|
Gemini 3.1 Pro Preview |
| Presentations & Decks |
#91
/ 110
Strong
|
#24
/ 110
Excellent
|
Gemini 3.1 Pro Preview |
| Sales |
#97
/ 110
Needs editing
|
#32
/ 110
Strong
|
Gemini 3.1 Pro Preview |
| Executive Assistant |
#77
/ 112
Usable
|
#14
/ 112
Strong
|
Gemini 3.1 Pro Preview |
| Investor & Pitch |
#64
/ 66
Needs editing
|
#13
/ 66
Strong
|
Gemini 3.1 Pro Preview |
| Structured Output |
#63
/ 113
Excellent
|
#15
/ 113
Excellent
|
Gemini 3.1 Pro Preview |
| Knowledge & Docs |
#50
/ 110
Usable
|
#19
/ 110
Strong
|
Gemini 3.1 Pro Preview |
| Landing Pages |
#44
/ 72
Strong
|
#14
/ 72
Strong
|
Gemini 3.1 Pro Preview |
| Coding |
#92
/ 115
Usable
|
#64
/ 115
Strong
|
Gemini 3.1 Pro Preview |
| Summarization & Meeting Notes |
#32
/ 110
Excellent
|
#4
/ 110
Excellent
|
Gemini 3.1 Pro Preview |
| Training & Education |
#31
/ 110
Excellent
|
#4
/ 110
Excellent
|
Gemini 3.1 Pro Preview |
| Data & Analytics |
#56
/ 110
Excellent
|
#39
/ 110
Excellent
|
Gemini 3.1 Pro Preview |
| Product & Project Management |
#36
/ 110
Strong
|
#25
/ 110
Excellent
|
Gemini 3.1 Pro Preview |
| Research & Competitive Analysis |
#46
/ 110
Strong
|
#42
/ 110
Strong
|
Gemini 3.1 Pro Preview |
| Frontend & Landing Pages |
#33
/ 109
Needs editing
|
#34
/ 109
Needs editing
|
DeepSeek V3.1 Terminus |
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 Gemini 3.1 Pro Preview?
Across 22 task areas we benchmarked, Gemini 3.1 Pro Preview ranks higher in 21 and DeepSeek V3.1 Terminus in 1.
Which is cheaper, DeepSeek V3.1 Terminus or Gemini 3.1 Pro Preview?
DeepSeek V3.1 Terminus costs 11.5× less per token ($1.22 vs $14 per 1M).
What is DeepSeek V3.1 Terminus better at?
DeepSeek V3.1 Terminus out-ranks Gemini 3.1 Pro Preview at Frontend & Landing Pages.
What is Gemini 3.1 Pro Preview better at?
Gemini 3.1 Pro Preview out-ranks DeepSeek V3.1 Terminus at Chef / Home Cooking, Content & Brand, Translation & Localization.
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.
- Generate test cases from your prompt — no eval set required to start.
- Compare models side by side with quality, cost and latency in one matrix.
- Optimise the winner until the scores say it's ready to ship.
Prompt × model results
12 test cases · 3 evals