# Spot DeepSeek V4 Flash API Pricing

As of October 31, 2026, Spot DeepSeek V4 Flash costs $0.105 per 1M input tokens and $0.21 per 1M output tokens on Fireworks AI, with cache reads at $0.021 per 1M tokens. It has a 1,048,576-token context window and returns up to 384,000 tokens per response.

- Page: https://models.litellm.ai/models/spot-deepseek-v4-flash
- LiteLLM model name: `fireworks_ai/accounts/fireworks/routers/spot-deepseek-v4-flash`
- Context window: 1,048,576 tokens
- Max output: 384,000 tokens
- Added to LiteLLM: October 30, 2026
- Deprecation date: August 14, 2026
- Status: retired. Prices below are the last listed and kept for reference.
- 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/spot-deepseek-v4-flash` | $0.105 | $0.21 | $0.021 | – | – | 1M |

## Cost examples

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

- Fireworks AI: $0.315

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

- Fireworks AI: $1.092

## 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="fireworks_ai/accounts/fireworks/routers/spot-deepseek-v4-flash",
    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: $0.00021 per request, $2.10 per day, $63.00 per month (30 days).

## FAQ

### How much does Spot DeepSeek V4 Flash cost?

Spot DeepSeek V4 Flash costs $0.105 per 1M input tokens and $0.21 per 1M output tokens on Fireworks AI, with cache reads at $0.021 per 1M tokens.

### What is the context window of Spot DeepSeek V4 Flash?

Spot DeepSeek V4 Flash has a 1,048,576-token context window and returns up to 384,000 tokens per response.

### Which providers offer Spot DeepSeek V4 Flash?

Spot DeepSeek V4 Flash is available from Fireworks AI through LiteLLM, using the model name fireworks_ai/accounts/fireworks/routers/spot-deepseek-v4-flash.

### How do I call Spot DeepSeek V4 Flash with an OpenAI-compatible API?

Use the LiteLLM Python SDK with model="fireworks_ai/accounts/fireworks/routers/spot-deepseek-v4-flash", 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 Spot DeepSeek V4 Flash support?

Spot DeepSeek V4 Flash supports function calling, structured output, reasoning and prompt caching. It does not support image input.

### When did LiteLLM add Spot DeepSeek V4 Flash?

Spot DeepSeek V4 Flash was added to LiteLLM's model price file on October 30, 2026.

### Is Spot DeepSeek V4 Flash being deprecated?

Fireworks AI deprecated fireworks_ai/accounts/fireworks/routers/spot-deepseek-v4-flash on August 14, 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.