Gemini 3.5 Flash
VS
Kimi K2.6
Gemini 3.5 Flash vs Kimi K2.6: 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 K2.6 wins 18 of 22 task areas we tested; Gemini 3.5 Flash takes 4. Kimi K2.6 costs 2.6× less per token ($4.07 vs $10.5 per 1M).
Kimi K2.6 costs 2.6× less per token ($4.07 vs $10.5 per 1M).
Task by task
| Task area | Gemini 3.5 Flash | Kimi K2.6 | Winner |
|---|---|---|---|
| Investor & Pitch |
#56
/ 66
Usable
|
#1
/ 66
Strong
|
Kimi K2.6 |
| Legal & HR |
#73
/ 110
Strong
|
#22
/ 110
Excellent
|
Kimi K2.6 |
| Research & Competitive Analysis |
#65
/ 110
Usable
|
#19
/ 110
Excellent
|
Kimi K2.6 |
| Training & Education |
#7
/ 110
Excellent
|
#45
/ 110
Excellent
|
Gemini 3.5 Flash |
| Content & Brand |
#46
/ 124
Strong
|
#22
/ 124
Strong
|
Kimi K2.6 |
| Coding |
#28
/ 115
Strong
|
#5
/ 115
Excellent
|
Kimi K2.6 |
| Knowledge & Docs |
#44
/ 110
Strong
|
#22
/ 110
Strong
|
Kimi K2.6 |
| Structured Output |
#35
/ 113
Excellent
|
#14
/ 113
Excellent
|
Kimi K2.6 |
| Product & Project Management |
#33
/ 110
Strong
|
#53
/ 110
Strong
|
Gemini 3.5 Flash |
| Landing Pages |
#40
/ 72
Strong
|
#21
/ 72
Strong
|
Kimi K2.6 |
| Sales |
#33
/ 110
Strong
|
#15
/ 110
Strong
|
Kimi K2.6 |
| Chef / Home Cooking |
#24
/ 126
Usable
|
#7
/ 126
Strong
|
Kimi K2.6 |
| Creative & Comedy | #27 / 110 | #11 / 110 | Kimi K2.6 |
| Presentations & Decks |
#17
/ 110
Excellent
|
#2
/ 110
Excellent
|
Kimi K2.6 |
| Summarization & Meeting Notes |
#17
/ 110
Excellent
|
#3
/ 110
Excellent
|
Kimi K2.6 |
| Data & Analytics |
#34
/ 110
Excellent
|
#23
/ 110
Excellent
|
Kimi K2.6 |
| Executive Assistant |
#19
/ 112
Strong
|
#8
/ 112
Strong
|
Kimi K2.6 |
| Customer Support |
#12
/ 113
Strong
|
#4
/ 113
Strong
|
Kimi K2.6 |
| Translation & Localization |
#30
/ 110
Excellent
|
#22
/ 110
Excellent
|
Kimi K2.6 |
| AI Strategy |
#23
/ 126
Strong
|
#19
/ 126
Strong
|
Kimi K2.6 |
| Frontend & Landing Pages |
#4
/ 109
Usable
|
#8
/ 109
Usable
|
Gemini 3.5 Flash |
| RAG, Safety & Grounding |
#15
/ 113
Excellent
|
#18
/ 113
Excellent
|
Gemini 3.5 Flash |
Rank = position among every model config we tested in that task area (lower is better). Sorted by biggest gap first.
Same task, both models — judged
Both models answered the same test case; an independent judge graded each. Quotes are the judge's actual rationale.
Legal & HR
Implementation lead (Lumen, regulated) (Job Description)
“The job description is highly specific, well-written, and accurately reflects the provided brief without using biased or coded language. However, it completely omits the EEO and accommodation statement required for a compliant job description, and fails to explicitly separate must-have from nice-to-have qualifications.”
“The model provided an excellent, highly specific job description that perfectly aligns with the provided brief. It uses inclusive, legally compliant language, includes an EEO statement, and clearly delineates required versus preferred qualifications without inflating requirements or using coded language. The industry-specific details (e.g., EHR systems, CPT codes) demonstrate strong contextual understanding without fabricating inappropriate facts.”
Frequently asked
Is Gemini 3.5 Flash better than Kimi K2.6?
Across 22 task areas we benchmarked, Kimi K2.6 ranks higher in 18 and Gemini 3.5 Flash in 4.
Which is cheaper, Gemini 3.5 Flash or Kimi K2.6?
Kimi K2.6 costs 2.6× less per token ($4.07 vs $10.5 per 1M).
What is Gemini 3.5 Flash better at?
Gemini 3.5 Flash out-ranks Kimi K2.6 at Training & Education, Product & Project Management, Frontend & Landing Pages.
What is Kimi K2.6 better at?
Kimi K2.6 out-ranks Gemini 3.5 Flash at Investor & Pitch, Legal & HR, Research & Competitive Analysis.
More comparisons
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