# Kimi K3.1 API Pricing

As of November 7, 2026, Kimi K3.1 costs $4.40 per 1M input tokens and $22.00 per 1M output tokens on Amazon Bedrock, with cache reads at $0.22 and cache writes at $5.50 per 1M tokens. It has an 868,928-token context window and returns up to 131,072 tokens per response.

- Page: https://models.litellm.ai/models/kimi-k3.1
- Lab: Moonshot AI
- LiteLLM model name: `moonshotai.kimi-k3.1`
- Context window: 868,928 tokens
- Max output: 131,072 tokens
- Added to LiteLLM: November 7, 2026
- Prices updated: November 7, 2026

## Pricing by provider

Token prices in USD per 1M tokens.

| Provider | Model name | Input | Output | Cache read | Per image | Per second | Context |
|---|---|---|---|---|---|---|---|
| Amazon Bedrock | `moonshotai.kimi-k3.1` | $4.40 | $22.00 | $0.22 | – | – | 869K |
| Amazon Bedrock (Global cross-region) | `global.moonshotai.kimi-k3.1` | $4.00 | $20.00 | $0.20 | – | – | 869K |
| Amazon Bedrock (India cross-region) | `in.moonshotai.kimi-k3.1` | $4.40 | $22.00 | $0.22 | – | – | 869K |
| Amazon Bedrock (US cross-region) | `us.moonshotai.kimi-k3.1` | $4.40 | $22.00 | $0.22 | – | – | 869K |

## Cost examples

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

- Amazon Bedrock: $19.80

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

- Amazon Bedrock: $48.40

## Features

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

## Use it with LiteLLM

```python
from litellm import completion

response = completion(
    model="moonshotai.kimi-k3.1",
    messages=[{"role": "user", "content": "Hello!"}],
)
```

## Cost calculator

10,000 requests a day with 1,000 input and 500 output tokens each, at Amazon Bedrock's price: $0.0154 per request, $154 per day, $4,620 per month (30 days). Try other numbers at https://models.litellm.ai/calculator?model=kimi-k3.1

## FAQ

### How much does Kimi K3.1 cost?

Kimi K3.1 costs $4.40 per 1M input tokens and $22.00 per 1M output tokens on Amazon Bedrock, with cache reads at $0.22 and cache writes at $5.50 per 1M tokens.

### What is the context window of Kimi K3.1?

Kimi K3.1 has an 868,928-token context window and returns up to 131,072 tokens per response.

### Which providers offer Kimi K3.1?

Kimi K3.1 is available from Amazon Bedrock through LiteLLM, using the model name moonshotai.kimi-k3.1.

### How do I call Kimi K3.1 with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="moonshotai.kimi-k3.1", 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 K3.1 support?

Kimi K3.1 supports function calling, structured output, image input, reasoning and prompt caching. It does not support audio input.

### When did LiteLLM add Kimi K3.1?

Kimi K3.1 was added to LiteLLM's model price file on November 7, 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.