DeepSeek V3.1 Terminus
VS
Mistral Medium 3.1
DeepSeek V3.1 Terminus vs Mistral Medium 3.1: 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 V3.1 Terminus wins 19 of 22 task areas we tested; Mistral Medium 3.1 takes 3. DeepSeek V3.1 Terminus costs 2.0× less per token ($1.22 vs $2.4 per 1M).
DeepSeek V3.1 Terminus costs 2.0× less per token ($1.22 vs $2.4 per 1M).
Task by task
| Task area | DeepSeek V3.1 Terminus | Mistral Medium 3.1 | Winner |
|---|---|---|---|
| Research & Competitive Analysis |
#46
/ 110
Strong
|
#105
/ 110
Weak
|
DeepSeek V3.1 Terminus |
| Translation & Localization |
#101
/ 110
Strong
|
#53
/ 110
Excellent
|
Mistral Medium 3.1 |
| Customer Support |
#69
/ 113
Usable
|
#110
/ 113
Needs editing
|
DeepSeek V3.1 Terminus |
| Data & Analytics |
#56
/ 110
Excellent
|
#87
/ 110
Excellent
|
DeepSeek V3.1 Terminus |
| Structured Output |
#63
/ 113
Excellent
|
#91
/ 113
Strong
|
DeepSeek V3.1 Terminus |
| Knowledge & Docs |
#50
/ 110
Usable
|
#77
/ 110
Usable
|
DeepSeek V3.1 Terminus |
| RAG, Safety & Grounding |
#85
/ 113
Excellent
|
#111
/ 113
Strong
|
DeepSeek V3.1 Terminus |
| Legal & HR |
#95
/ 110
Strong
|
#70
/ 110
Strong
|
Mistral Medium 3.1 |
| Chef / Home Cooking |
#95
/ 126
Usable
|
#116
/ 126
Needs editing
|
DeepSeek V3.1 Terminus |
| AI Strategy |
#101
/ 126
Usable
|
#120
/ 126
Usable
|
DeepSeek V3.1 Terminus |
| Landing Pages |
#44
/ 72
Strong
|
#63
/ 72
Usable
|
DeepSeek V3.1 Terminus |
| Executive Assistant |
#77
/ 112
Usable
|
#94
/ 112
Usable
|
DeepSeek V3.1 Terminus |
| Coding |
#92
/ 115
Usable
|
#108
/ 115
Needs editing
|
DeepSeek V3.1 Terminus |
| Training & Education |
#31
/ 110
Excellent
|
#47
/ 110
Excellent
|
DeepSeek V3.1 Terminus |
| Presentations & Decks |
#91
/ 110
Strong
|
#105
/ 110
Usable
|
DeepSeek V3.1 Terminus |
| Product & Project Management |
#36
/ 110
Strong
|
#50
/ 110
Strong
|
DeepSeek V3.1 Terminus |
| Creative & Comedy | #89 / 110 | #100 / 110 | DeepSeek V3.1 Terminus |
| Content & Brand |
#100
/ 124
Usable
|
#110
/ 124
Needs editing
|
DeepSeek V3.1 Terminus |
| Summarization & Meeting Notes |
#32
/ 110
Excellent
|
#39
/ 110
Excellent
|
DeepSeek V3.1 Terminus |
| Sales |
#97
/ 110
Needs editing
|
#92
/ 110
Usable
|
Mistral Medium 3.1 |
| Frontend & Landing Pages |
#33
/ 109
Needs editing
|
#35
/ 109
Needs editing
|
DeepSeek V3.1 Terminus |
| Investor & Pitch |
#64
/ 66
Needs editing
|
#65
/ 66
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 Mistral Medium 3.1?
Across 22 task areas we benchmarked, DeepSeek V3.1 Terminus ranks higher in 19 and Mistral Medium 3.1 in 3.
Which is cheaper, DeepSeek V3.1 Terminus or Mistral Medium 3.1?
DeepSeek V3.1 Terminus costs 2.0× less per token ($1.22 vs $2.4 per 1M).
What is DeepSeek V3.1 Terminus better at?
DeepSeek V3.1 Terminus out-ranks Mistral Medium 3.1 at Research & Competitive Analysis, Customer Support, Data & Analytics.
What is Mistral Medium 3.1 better at?
Mistral Medium 3.1 out-ranks DeepSeek V3.1 Terminus at Translation & Localization, Legal & HR, Sales.
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