Kimi K2.5 vs Qwen3.5 Plus 2026-02-15: 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.
Qwen3.5 Plus 2026-02-15 wins 12 of 22 task areas we tested; Kimi K2.5 takes 10. Qwen3.5 Plus 2026-02-15 costs 1.3× less per token ($1.82 vs $2.4 per 1M).
Qwen3.5 Plus 2026-02-15 costs 1.3× less per token ($1.82 vs $2.4 per 1M).
Task by task
| Task area | Kimi K2.5 | Qwen3.5 Plus 2026-02-15 | Winner |
|---|---|---|---|
| Summarization & Meeting Notes |
#92
/ 110
Excellent
|
#46
/ 110
Excellent
|
Qwen3.5 Plus 2026-02-15 |
| Research & Competitive Analysis |
#31
/ 110
Strong
|
#73
/ 110
Usable
|
Kimi K2.5 |
| Executive Assistant |
#23
/ 112
Strong
|
#61
/ 112
Strong
|
Kimi K2.5 |
| Coding |
#38
/ 115
Strong
|
#71
/ 115
Strong
|
Kimi K2.5 |
| Customer Support |
#50
/ 113
Strong
|
#18
/ 113
Strong
|
Qwen3.5 Plus 2026-02-15 |
| Creative & Comedy | #42 / 110 | #71 / 110 | Kimi K2.5 |
| Presentations & Decks |
#12
/ 110
Excellent
|
#40
/ 110
Excellent
|
Kimi K2.5 |
| Product & Project Management |
#66
/ 110
Strong
|
#40
/ 110
Strong
|
Qwen3.5 Plus 2026-02-15 |
| Translation & Localization |
#34
/ 110
Excellent
|
#10
/ 110
Excellent
|
Qwen3.5 Plus 2026-02-15 |
| Frontend & Landing Pages |
#26
/ 109
Needs editing
|
#3
/ 109
Usable
|
Qwen3.5 Plus 2026-02-15 |
| Structured Output |
#41
/ 113
Excellent
|
#18
/ 113
Excellent
|
Qwen3.5 Plus 2026-02-15 |
| Legal & HR |
#31
/ 110
Excellent
|
#13
/ 110
Excellent
|
Qwen3.5 Plus 2026-02-15 |
| Landing Pages |
#20
/ 72
Strong
|
#36
/ 72
Strong
|
Kimi K2.5 |
| Training & Education |
#22
/ 110
Excellent
|
#6
/ 110
Excellent
|
Qwen3.5 Plus 2026-02-15 |
| Content & Brand |
#33
/ 124
Strong
|
#45
/ 124
Strong
|
Kimi K2.5 |
| Knowledge & Docs |
#59
/ 110
Usable
|
#51
/ 110
Usable
|
Qwen3.5 Plus 2026-02-15 |
| Sales |
#19
/ 110
Strong
|
#27
/ 110
Strong
|
Kimi K2.5 |
| Data & Analytics |
#19
/ 110
Excellent
|
#26
/ 110
Excellent
|
Kimi K2.5 |
| RAG, Safety & Grounding |
#12
/ 113
Excellent
|
#7
/ 113
Excellent
|
Qwen3.5 Plus 2026-02-15 |
| AI Strategy |
#28
/ 126
Strong
|
#32
/ 126
Strong
|
Kimi K2.5 |
| Chef / Home Cooking |
#44
/ 126
Usable
|
#40
/ 126
Usable
|
Qwen3.5 Plus 2026-02-15 |
| Investor & Pitch |
#37
/ 66
Usable
|
#36
/ 66
Usable
|
Qwen3.5 Plus 2026-02-15 |
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.
Summarization & Meeting Notes
Glow & Grain staff meeting (non-tech) (Executive Summary)
“The model hallucinated a deadline and incorrectly categorized a tangent as a business outcome.”
“The summary is highly faithful, accurately capturing the deferred decisions, caveats, and action items with correct owners and dates. It includes a brief mention of the birthday tangent which was ideally to be ignored, but it is separated under a 'Social' header and does not distort business outcomes.”
Frequently asked
Is Kimi K2.5 better than Qwen3.5 Plus 2026-02-15?
Across 22 task areas we benchmarked, Qwen3.5 Plus 2026-02-15 ranks higher in 12 and Kimi K2.5 in 10.
Which is cheaper, Kimi K2.5 or Qwen3.5 Plus 2026-02-15?
Qwen3.5 Plus 2026-02-15 costs 1.3× less per token ($1.82 vs $2.4 per 1M).
What is Kimi K2.5 better at?
Kimi K2.5 out-ranks Qwen3.5 Plus 2026-02-15 at Research & Competitive Analysis, Executive Assistant, Coding.
What is Qwen3.5 Plus 2026-02-15 better at?
Qwen3.5 Plus 2026-02-15 out-ranks Kimi K2.5 at Summarization & Meeting Notes, Customer Support, Product & Project Management.
More comparisons
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Prompt × model results
12 test cases · 3 evals