Kimi K2.7 Code vs Claude Sonnet 5
On provider list prices, Kimi K2.7 Code costs $0.95 per million input tokens against $3 for Claude Sonnet 5: 3.2x apart. Output is $4 against $15 (3.8x). On Allocate both bill at list plus the 7% transaction fee.
Specifications and provider list prices from the Allocate catalog, checked 2026-07-08. Billed price is list plus the 7% transaction fee.
What the numbers say
Take 1,000,000 requests a month at 1,200 input and 350 output tokens each. That workload costs $2,540 a month on Kimi K2.7 Code and $8,850 on Claude Sonnet 5 at list: a gap of $6,310, or 3.5x.
Claude Sonnet 5 reads 1M tokens per request against 256K for Kimi K2.7 Code, 3.8x the window. That decides which one can take whole documents without splitting them.
Choose Kimi K2.7 Code for
- The lower list price ($0.95 in / $4 out per M tokens)
- Open weights you can fine-tune and own
- Published cached-input pricing ($0.19 per M tokens)
Choose Claude Sonnet 5 for
- Judgment calls with policy context
- Customer-facing writing
- Review and escalation flows
Common questions
Which is cheaper, Kimi K2.7 Code or Claude Sonnet 5?
Kimi K2.7 Code, on this workload shape. At list prices it is $0.95/$4 per million tokens in and out against $3/$15 for Claude Sonnet 5. Billed on Allocate: $1.02/$4.28 against $3.21/$16.05, list plus 7%.
Which has the bigger context window?
Claude Sonnet 5: 1,000,000 tokens (1M) against 262,144 (256K) for Kimi K2.7 Code.
Can I fine-tune Kimi K2.7 Code or Claude Sonnet 5?
Kimi K2.7 Code publishes open weights (Not listed) and can be fine-tuned on your own data. Claude Sonnet 5 is a closed model served over API; its weights are not available.
Related comparisons
Run the numbers on your workload
Or don’t choose. On Allocate a route name is the contract: point yours at one model today, swap to the other tomorrow, and compare them on your live traffic with per-token metering.