# Kimi K3 Spot API Pricing

As of October 31, 2026, Kimi K3 Spot costs $2.10 per 1M input tokens and $10.50 per 1M output tokens on Fireworks AI, with cache reads at $0.21 per 1M tokens. It has a 1,048,576-token context window and returns up to 131,072 tokens per response.

- Page: https://models.litellm.ai/models/kimi-k3-spot
- Lab: Moonshot AI
- LiteLLM model name: `fireworks_ai/accounts/fireworks/routers/kimi-k3-spot`
- Context window: 1,048,576 tokens
- Max output: 131,072 tokens
- Added to LiteLLM: October 30, 2026
- Prices updated: October 30, 2026

## Pricing by provider

Token prices in USD per 1M tokens.

| Provider | Model name | Input | Output | Cache read | Per image | Per second | Context |
|---|---|---|---|---|---|---|---|
| Fireworks AI | `fireworks_ai/accounts/fireworks/routers/kimi-k3-spot` | $2.10 | $10.50 | $0.21 | – | – | 1M |

## Cost examples

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

- Fireworks AI: $9.45

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

- Fireworks AI: $23.10

## Features

Supported: Function calling, Structured output, Image input, Reasoning, Prompt caching.

## Use it with LiteLLM

```python
from litellm import completion

response = completion(
    model="fireworks_ai/accounts/fireworks/routers/kimi-k3-spot",
    messages=[{"role": "user", "content": "Hello!"}],
)
```

## Cost calculator

10,000 requests a day with 1,000 input and 500 output tokens each, at Fireworks AI's price: $0.00735 per request, $73.50 per day, $2,205 per month (30 days). Try other numbers at https://models.litellm.ai/calculator?model=kimi-k3-spot

## FAQ

### How much does Kimi K3 Spot cost?

Kimi K3 Spot costs $2.10 per 1M input tokens and $10.50 per 1M output tokens on Fireworks AI, with cache reads at $0.21 per 1M tokens.

### What is the context window of Kimi K3 Spot?

Kimi K3 Spot has a 1,048,576-token context window and returns up to 131,072 tokens per response.

### Which providers offer Kimi K3 Spot?

Kimi K3 Spot is available from Fireworks AI through LiteLLM, using the model name fireworks_ai/accounts/fireworks/routers/kimi-k3-spot.

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

Use the LiteLLM Python SDK with model="fireworks_ai/accounts/fireworks/routers/kimi-k3-spot", 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 Spot support?

Kimi K3 Spot supports function calling, structured output, image input, reasoning and prompt caching.

### When did LiteLLM add Kimi K3 Spot?

Kimi K3 Spot was added to LiteLLM's model price file on October 30, 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.