Gemini 3.1 Flash Lite
VS
Kimi K2.5
Gemini 3.1 Flash Lite 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.
Kimi K2.5 wins 17 of 22 task areas we tested; Gemini 3.1 Flash Lite takes 5. Gemini 3.1 Flash Lite costs 1.4× less per token ($1.75 vs $2.4 per 1M).
Gemini 3.1 Flash Lite costs 1.4× less per token ($1.75 vs $2.4 per 1M).
Task by task
| Task area | Gemini 3.1 Flash Lite | Kimi K2.5 | Winner |
|---|---|---|---|
| Summarization & Meeting Notes |
#13
/ 110
Excellent
|
#92
/ 110
Excellent
|
Gemini 3.1 Flash Lite |
| Executive Assistant |
#101
/ 112
Usable
|
#23
/ 112
Strong
|
Kimi K2.5 |
| Presentations & Decks |
#80
/ 110
Strong
|
#12
/ 110
Excellent
|
Kimi K2.5 |
| Legal & HR |
#86
/ 110
Strong
|
#31
/ 110
Excellent
|
Kimi K2.5 |
| Sales |
#67
/ 110
Usable
|
#19
/ 110
Strong
|
Kimi K2.5 |
| RAG, Safety & Grounding |
#58
/ 113
Excellent
|
#12
/ 113
Excellent
|
Kimi K2.5 |
| Creative & Comedy | #85 / 110 | #42 / 110 | Kimi K2.5 |
| Product & Project Management |
#29
/ 110
Excellent
|
#66
/ 110
Strong
|
Gemini 3.1 Flash Lite |
| AI Strategy |
#54
/ 126
Strong
|
#28
/ 126
Strong
|
Kimi K2.5 |
| Chef / Home Cooking |
#70
/ 126
Usable
|
#44
/ 126
Usable
|
Kimi K2.5 |
| Knowledge & Docs |
#33
/ 110
Strong
|
#59
/ 110
Usable
|
Gemini 3.1 Flash Lite |
| Data & Analytics |
#44
/ 110
Excellent
|
#19
/ 110
Excellent
|
Kimi K2.5 |
| Research & Competitive Analysis |
#56
/ 110
Usable
|
#31
/ 110
Strong
|
Kimi K2.5 |
| Landing Pages |
#43
/ 72
Strong
|
#20
/ 72
Strong
|
Kimi K2.5 |
| Coding |
#58
/ 115
Strong
|
#38
/ 115
Strong
|
Kimi K2.5 |
| Frontend & Landing Pages |
#10
/ 109
Usable
|
#26
/ 109
Needs editing
|
Gemini 3.1 Flash Lite |
| Training & Education |
#33
/ 110
Excellent
|
#22
/ 110
Excellent
|
Kimi K2.5 |
| Content & Brand |
#43
/ 124
Strong
|
#33
/ 124
Strong
|
Kimi K2.5 |
| Investor & Pitch |
#44
/ 66
Usable
|
#37
/ 66
Usable
|
Kimi K2.5 |
| Structured Output |
#36
/ 113
Excellent
|
#41
/ 113
Excellent
|
Gemini 3.1 Flash Lite |
| Translation & Localization |
#39
/ 110
Excellent
|
#34
/ 110
Excellent
|
Kimi K2.5 |
| Customer Support |
#54
/ 113
Strong
|
#50
/ 113
Strong
|
Kimi K2.5 |
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 Flash Lite better than Kimi K2.5?
Across 22 task areas we benchmarked, Kimi K2.5 ranks higher in 17 and Gemini 3.1 Flash Lite in 5.
Which is cheaper, Gemini 3.1 Flash Lite or Kimi K2.5?
Gemini 3.1 Flash Lite costs 1.4× less per token ($1.75 vs $2.4 per 1M).
What is Gemini 3.1 Flash Lite better at?
Gemini 3.1 Flash Lite out-ranks Kimi K2.5 at Summarization & Meeting Notes, Product & Project Management, Knowledge & Docs.
What is Kimi K2.5 better at?
Kimi K2.5 out-ranks Gemini 3.1 Flash Lite at Executive Assistant, Presentations & Decks, Legal & HR.
More comparisons
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Prompt × model results
12 test cases · 3 evals