Claude Sonnet 4.6 vs Kimi K2.7 Code: 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.
Claude Sonnet 4.6 wins 15 of 22 task areas we tested; Kimi K2.7 Code takes 7. Kimi K2.7 Code costs 4.2× less per token ($4.24 vs $18 per 1M).
Kimi K2.7 Code costs 4.2× less per token ($4.24 vs $18 per 1M).
Task by task
| Task area | Claude Sonnet 4.6 | Kimi K2.7 Code | Winner |
|---|---|---|---|
| Structured Output |
#105
/ 113
Usable
|
#46
/ 113
Excellent
|
Kimi K2.7 Code |
| Customer Support |
#62
/ 113
Strong
|
#10
/ 113
Strong
|
Kimi K2.7 Code |
| RAG, Safety & Grounding |
#73
/ 113
Excellent
|
#21
/ 113
Excellent
|
Kimi K2.7 Code |
| AI Strategy |
#3
/ 126
Strong
|
#44
/ 126
Strong
|
Claude Sonnet 4.6 |
| Chef / Home Cooking |
#20
/ 126
Usable
|
#58
/ 126
Usable
|
Claude Sonnet 4.6 |
| Product & Project Management |
#48
/ 110
Strong
|
#10
/ 110
Excellent
|
Kimi K2.7 Code |
| Sales |
#13
/ 110
Strong
|
#48
/ 110
Usable
|
Claude Sonnet 4.6 |
| Translation & Localization |
#13
/ 110
Excellent
|
#48
/ 110
Excellent
|
Claude Sonnet 4.6 |
| Frontend & Landing Pages |
#23
/ 109
Needs editing
|
#54
/ 109
Needs editing
|
Claude Sonnet 4.6 |
| Presentations & Decks |
#35
/ 110
Excellent
|
#5
/ 110
Excellent
|
Kimi K2.7 Code |
| Training & Education |
#9
/ 110
Excellent
|
#39
/ 110
Excellent
|
Claude Sonnet 4.6 |
| Creative & Comedy | #19 / 110 | #44 / 110 | Claude Sonnet 4.6 |
| Data & Analytics |
#6
/ 110
Excellent
|
#31
/ 110
Excellent
|
Claude Sonnet 4.6 |
| Knowledge & Docs |
#35
/ 110
Strong
|
#16
/ 110
Excellent
|
Kimi K2.7 Code |
| Content & Brand |
#31
/ 124
Strong
|
#48
/ 124
Strong
|
Claude Sonnet 4.6 |
| Research & Competitive Analysis |
#35
/ 110
Strong
|
#20
/ 110
Excellent
|
Kimi K2.7 Code |
| Coding |
#29
/ 115
Strong
|
#41
/ 115
Strong
|
Claude Sonnet 4.6 |
| Landing Pages |
#5
/ 72
Strong
|
#17
/ 72
Strong
|
Claude Sonnet 4.6 |
| Investor & Pitch |
#4
/ 66
Strong
|
#15
/ 66
Strong
|
Claude Sonnet 4.6 |
| Legal & HR |
#3
/ 110
Excellent
|
#14
/ 110
Excellent
|
Claude Sonnet 4.6 |
| Summarization & Meeting Notes |
#37
/ 110
Excellent
|
#47
/ 110
Excellent
|
Claude Sonnet 4.6 |
| Executive Assistant |
#1
/ 112
Strong
|
#6
/ 112
Strong
|
Claude Sonnet 4.6 |
Rank = position among every model config we tested in that task area (lower is better). Sorted by biggest gap first.
Frequently asked
Is Claude Sonnet 4.6 better than Kimi K2.7 Code?
Across 22 task areas we benchmarked, Claude Sonnet 4.6 ranks higher in 15 and Kimi K2.7 Code in 7.
Which is cheaper, Claude Sonnet 4.6 or Kimi K2.7 Code?
Kimi K2.7 Code costs 4.2× less per token ($4.24 vs $18 per 1M).
What is Claude Sonnet 4.6 better at?
Claude Sonnet 4.6 out-ranks Kimi K2.7 Code at AI Strategy, Chef / Home Cooking, Sales.
What is Kimi K2.7 Code better at?
Kimi K2.7 Code out-ranks Claude Sonnet 4.6 at Structured Output, Customer Support, RAG, Safety & Grounding.
More comparisons
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Prompt × model results
12 test cases · 3 evals