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Anthropic Claude Sonnet 5 VS MoonshotAI Kimi K2.7 Code

Claude Sonnet 5 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.

Kimi K2.7 Code wins 14 of 22 task areas we tested; Claude Sonnet 5 takes 8. Kimi K2.7 Code costs 2.8× less per token ($4.24 vs $12 per 1M).

8
Task areas won
14
62
Avg percentile
73
1
Top-3 finishes
0
$12.0
Price / 1M tokens
$4.24
Anthropic
Provider
MoonshotAI

Kimi K2.7 Code costs 2.8× less per token ($4.24 vs $12 per 1M).

Task by task

Task area Claude Sonnet 5 Kimi K2.7 Code Winner
Executive Assistant #72 / 112
Strong
#6 / 112
Strong
Kimi K2.7 Code
RAG, Safety & Grounding #86 / 113
Excellent
#21 / 113
Excellent
Kimi K2.7 Code
Product & Project Management #61 / 110
Strong
#10 / 110
Excellent
Kimi K2.7 Code
Customer Support #57 / 113
Strong
#10 / 113
Strong
Kimi K2.7 Code
Legal & HR #57 / 110
Excellent
#14 / 110
Excellent
Kimi K2.7 Code
AI Strategy #2 / 126
Strong
#44 / 126
Strong
Claude Sonnet 5
Coding #6 / 115
Excellent
#41 / 115
Strong
Claude Sonnet 5
Creative & Comedy #79 / 110 #44 / 110 Kimi K2.7 Code
Sales #16 / 110
Strong
#48 / 110
Usable
Claude Sonnet 5
Chef / Home Cooking #28 / 126
Usable
#58 / 126
Usable
Claude Sonnet 5
Investor & Pitch #39 / 66
Usable
#15 / 66
Strong
Kimi K2.7 Code
Structured Output #69 / 113
Strong
#46 / 113
Excellent
Kimi K2.7 Code
Content & Brand #67 / 124
Strong
#48 / 124
Strong
Kimi K2.7 Code
Presentations & Decks #22 / 110
Excellent
#5 / 110
Excellent
Kimi K2.7 Code
Data & Analytics #16 / 110
Excellent
#31 / 110
Excellent
Claude Sonnet 5
Training & Education #52 / 110
Excellent
#39 / 110
Excellent
Kimi K2.7 Code
Summarization & Meeting Notes #58 / 110
Excellent
#47 / 110
Excellent
Kimi K2.7 Code
Translation & Localization #41 / 110
Excellent
#48 / 110
Excellent
Claude Sonnet 5
Landing Pages #12 / 72
Strong
#17 / 72
Strong
Claude Sonnet 5
Research & Competitive Analysis #15 / 110
Excellent
#20 / 110
Excellent
Claude Sonnet 5
Frontend & Landing Pages #57 / 109
Needs editing
#54 / 109
Needs editing
Kimi K2.7 Code
Knowledge & Docs #18 / 110
Strong
#16 / 110
Excellent
Kimi K2.7 Code

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 5 better than Kimi K2.7 Code?

Across 22 task areas we benchmarked, Kimi K2.7 Code ranks higher in 14 and Claude Sonnet 5 in 8.

Which is cheaper, Claude Sonnet 5 or Kimi K2.7 Code?

Kimi K2.7 Code costs 2.8× less per token ($4.24 vs $12 per 1M).

What is Claude Sonnet 5 better at?

Claude Sonnet 5 out-ranks Kimi K2.7 Code at AI Strategy, Coding, Sales.

What is Kimi K2.7 Code better at?

Kimi K2.7 Code out-ranks Claude Sonnet 5 at Executive Assistant, RAG, Safety & Grounding, Product & Project Management.

Full Claude Sonnet 5 review → Full Kimi K2.7 Code review → Full model leaderboard →

More comparisons

This page is Spring Prompt, running in public

We just did this for every model. Do it for your prompt.

The rankings above come from running real tasks through real models and scoring every output. Spring Prompt is that same engine — pointed at your prompt, your test cases, and your definition of good.

  • Generate test cases from your prompt — no eval set required to start.
  • Compare models side by side with quality, cost and latency in one matrix.
  • Optimise the winner until the scores say it's ready to ship.
Experiment · Cold outreach email

Prompt × model results

12 test cases · 3 evals
Claude Opus
GPT-5
Gemini
v1
7.1
6.8
7.4
v2
8.3
7.9
8.0
v3
9.2
8.6
8.4
Best combo: v3 × Claude Opus
9.2 quality · $0.004/run · 1.8s