Gemini 3.1 Pro Preview
VS
Kimi K2.5
Gemini 3.1 Pro Preview vs Kimi K2.5: 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 15 of 22 task areas we tested; Kimi K2.5 takes 7. Kimi K2.5 costs 5.8× less per token ($2.4 vs $14 per 1M).
Kimi K2.5 costs 5.8× less per token ($2.4 vs $14 per 1M).
Task by task
| Task area | Gemini 3.1 Pro Preview | Kimi K2.5 | Winner |
|---|---|---|---|
| Summarization & Meeting Notes |
#4
/ 110
Excellent
|
#92
/ 110
Excellent
|
Gemini 3.1 Pro Preview |
| Customer Support |
#2
/ 113
Strong
|
#50
/ 113
Strong
|
Gemini 3.1 Pro Preview |
| Product & Project Management |
#25
/ 110
Excellent
|
#66
/ 110
Strong
|
Gemini 3.1 Pro Preview |
| Knowledge & Docs |
#19
/ 110
Strong
|
#59
/ 110
Usable
|
Gemini 3.1 Pro Preview |
| Chef / Home Cooking |
#6
/ 126
Strong
|
#44
/ 126
Usable
|
Gemini 3.1 Pro Preview |
| Creative & Comedy | #4 / 110 | #42 / 110 | Gemini 3.1 Pro Preview |
| Coding |
#64
/ 115
Strong
|
#38
/ 115
Strong
|
Kimi K2.5 |
| Structured Output |
#15
/ 113
Excellent
|
#41
/ 113
Excellent
|
Gemini 3.1 Pro Preview |
| Investor & Pitch |
#13
/ 66
Strong
|
#37
/ 66
Usable
|
Gemini 3.1 Pro Preview |
| Content & Brand |
#11
/ 124
Strong
|
#33
/ 124
Strong
|
Gemini 3.1 Pro Preview |
| Data & Analytics |
#39
/ 110
Excellent
|
#19
/ 110
Excellent
|
Kimi K2.5 |
| Translation & Localization |
#14
/ 110
Excellent
|
#34
/ 110
Excellent
|
Gemini 3.1 Pro Preview |
| Training & Education |
#4
/ 110
Excellent
|
#22
/ 110
Excellent
|
Gemini 3.1 Pro Preview |
| Legal & HR |
#17
/ 110
Excellent
|
#31
/ 110
Excellent
|
Gemini 3.1 Pro Preview |
| Sales |
#32
/ 110
Strong
|
#19
/ 110
Strong
|
Kimi K2.5 |
| Presentations & Decks |
#24
/ 110
Excellent
|
#12
/ 110
Excellent
|
Kimi K2.5 |
| Research & Competitive Analysis |
#42
/ 110
Strong
|
#31
/ 110
Strong
|
Kimi K2.5 |
| Executive Assistant |
#14
/ 112
Strong
|
#23
/ 112
Strong
|
Gemini 3.1 Pro Preview |
| Frontend & Landing Pages |
#34
/ 109
Needs editing
|
#26
/ 109
Needs editing
|
Kimi K2.5 |
| Landing Pages |
#14
/ 72
Strong
|
#20
/ 72
Strong
|
Gemini 3.1 Pro Preview |
| AI Strategy |
#33
/ 126
Strong
|
#28
/ 126
Strong
|
Kimi K2.5 |
| RAG, Safety & Grounding |
#8
/ 113
Excellent
|
#12
/ 113
Excellent
|
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 Gemini 3.1 Pro Preview better than Kimi K2.5?
Across 22 task areas we benchmarked, Gemini 3.1 Pro Preview ranks higher in 15 and Kimi K2.5 in 7.
Which is cheaper, Gemini 3.1 Pro Preview or Kimi K2.5?
Kimi K2.5 costs 5.8× less per token ($2.4 vs $14 per 1M).
What is Gemini 3.1 Pro Preview better at?
Gemini 3.1 Pro Preview out-ranks Kimi K2.5 at Summarization & Meeting Notes, Customer Support, Product & Project Management.
What is Kimi K2.5 better at?
Kimi K2.5 out-ranks Gemini 3.1 Pro Preview at Coding, Data & Analytics, Sales.
More comparisons
This page is Spring Prompt, running in public
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Prompt × model results
12 test cases · 3 evals