# GPT-5.5 vs Kimi K2.7 Code

On provider list prices, Kimi K2.7 Code costs $0.95 per million input tokens against $5 for GPT-5.5: 5.3x apart. Output is $4 against $30 (7.5x). On Allocate both bill at list plus the 7% transaction fee.

## Specifications

| | GPT-5.5 | Kimi K2.7 Code |
| --- | --- | --- |
| Lab | OpenAI | Moonshot AI |
| Access | API only | Open weights |
| Context window | 400K tokens | 256K tokens |
| List price, input | $5 / M tokens | $0.95 / M tokens |
| List price, output | $30 / M tokens | $4 / M tokens |
| Cached input | $0.50 / M tokens | $0.19 / M tokens |
| License | Proprietary API | Not listed |
| Fine-tunable | No | Yes |

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 $16,500 on GPT-5.5 at list: a gap of $13,960, or 6.5x.

GPT-5.5 reads 400K tokens per request against 256K for Kimi K2.7 Code, 1.5x the window. That decides which one can take whole documents without splitting them.

## Choose GPT-5.5 for

- Complex tool-using agents
- Code generation
- General assistants

## 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

## Common questions

### Which is cheaper, GPT-5.5 or Kimi K2.7 Code?

Kimi K2.7 Code, on this workload shape. At list prices it is $0.95/$4 per million tokens in and out against $5/$30 for GPT-5.5. Billed on Allocate: $1.02/$4.28 against $5.35/$32.10, list plus 7%.

### Which has the bigger context window?

GPT-5.5: 400,000 tokens (400K) against 262,144 (256K) for Kimi K2.7 Code.

### Can I fine-tune GPT-5.5 or Kimi K2.7 Code?

Kimi K2.7 Code publishes open weights (Not listed) and can be fine-tuned on your own data. GPT-5.5 is a closed model served over API; its weights are not available.

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[HTML page](https://allocate.network/compare/gpt-5-5-vs-moonshotai-kimi-k2-7-code) · [GPT-5.5](https://allocate.network/models/gpt-5-5.md) · [Kimi K2.7 Code](https://allocate.network/models/moonshotai-kimi-k2-7-code.md) · [Machine-readable catalog](https://allocate.network/catalog.json)