# Kimi K2.8 Preview API Pricing

As of October 21, 2026, Kimi K2.8 Preview costs $1.00 per 1M input tokens and $4.00 per 1M output tokens on Tencent TokenHub, with cache reads at $0.25 and cache writes at $0 per 1M tokens. It has a 1,000,000-token context window and returns up to 1,000,000 tokens per response.

- Page: https://models.litellm.ai/models/kimi-k2.8-preview
- Lab: Moonshot AI
- LiteLLM model name: `tencent/kimi-k2.8-preview`
- Context window: 1,000,000 tokens
- Max output: 1,000,000 tokens
- Added to LiteLLM: October 13, 2026
- Prices updated: October 13, 2026

## Pricing by provider

Token prices in USD per 1M tokens.

| Provider | Model name | Input | Output | Cache read | Per image | Per second | Context |
|---|---|---|---|---|---|---|---|
| Tencent TokenHub | `tencent/kimi-k2.8-preview` | $1.00 | $4.00 | $0.25 | – | – | 1M |

## Cost examples

1,000 requests with 2,000 input and 500 output tokens each:

- Tencent TokenHub: $4.00

100 long-document requests with 100,000 input and 2,000 output tokens each:

- Tencent TokenHub: $10.80

## Features

Supported: Function calling, Structured output, Reasoning, Prompt caching.
Not supported: Image input.

## Use it with LiteLLM

```python
from litellm import completion

response = completion(
    model="tencent/kimi-k2.8-preview",
    messages=[{"role": "user", "content": "Hello!"}],
)
```

## Cost calculator

10,000 requests a day with 1,000 input and 500 output tokens each, at Tencent TokenHub's price: $0.003 per request, $30.00 per day, $900 per month (30 days). Try other numbers at https://models.litellm.ai/calculator?model=kimi-k2.8-preview

## FAQ

### How much does Kimi K2.8 Preview cost?

Kimi K2.8 Preview costs $1.00 per 1M input tokens and $4.00 per 1M output tokens on Tencent TokenHub, with cache reads at $0.25 and cache writes at $0 per 1M tokens.

### What is the context window of Kimi K2.8 Preview?

Kimi K2.8 Preview has a 1,000,000-token context window and returns up to 1,000,000 tokens per response.

### Which providers offer Kimi K2.8 Preview?

Kimi K2.8 Preview is available from Tencent TokenHub through LiteLLM, using the model name tencent/kimi-k2.8-preview.

### How do I call Kimi K2.8 Preview with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="tencent/kimi-k2.8-preview", or add the model to the LiteLLM proxy's config.yaml and send requests to /v1/chat/completions from any OpenAI client. LiteLLM tracks the cost of every request at the prices on this page.

### What features does Kimi K2.8 Preview support?

Kimi K2.8 Preview supports function calling, structured output, reasoning and prompt caching. It does not support image input.

### When did LiteLLM add Kimi K2.8 Preview?

Kimi K2.8 Preview was added to LiteLLM's model price file on October 13, 2026.

Source: LiteLLM model price file, https://github.com/BerriAI/litellm/blob/main/model_prices_and_context_window.json. Maintainers update it from each provider's published pricing, and this page is usually rebuilt within 20 minutes of every change.