# DeepSeek V4.1 Flash API pricing

DEEPSEEK / TEXT

> DeepSeek V4.1 Flash via one OpenAI-compatible key: $0.30 in / $1.20 out per 1M tokens. Model ID deepseek-v4.1-flash, base URL https://api.outrun.to/v1.

$0.30 in / $1.20 out per 1M tokens

DeepSeek V4.1 Flash costs $0.30 per 1M input tokens and $1.20 per 1M output tokens (cached input $0.01). Call it with model ID `deepseek-v4.1-flash` at `https://api.outrun.to/v1` using one prepaid Outrun key. Prices as of October 30, 2026.

`deepseek-v4.1-flash`OpenAI compatibleVision

USD / 1M TOKENS

## How much does DeepSeek V4.1 Flash cost per 1M tokens?

[Get a key ↗](https://outrun.to/overview)

Standard

| Token type | Outrun |
| --- | --- |
| Input | **$0.30** |
| Cached input | **$0.01** |
| Output | **$1.20** |

Billed prices, rounded up to the cent. Prices as of October 30, 2026.

Context window

1,000,000 tokens

Input

Text + images

## What is DeepSeek V4.1 Flash?

DeepSeek V4.1 Flash is a text model in the Outrun catalog. Its developer describes it for reasoning, coding and tool-based workflows. The standard rate is $0.30 in / $1.20 out per 1M tokens.

## What are the DeepSeek V4.1 Flash model details?

| Model detail | Value |
| --- | --- |
| Developer | DeepSeek |
| Kind | Text |
| Parameters | 552B backbone; 8B active during prefill / 16B during decode |
| Developer context | 1,000,000 tokens |
| Developer input | Text, Images |
| Licence | MIT |

## How do I call DeepSeek V4.1 Flash?

Use your Outrun key and the exact model ID. Requests use prepaid USD credit.

cURL

```
curl https://api.outrun.to/v1/chat/completions \
  -H "Authorization: Bearer $OUTRUN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "deepseek-v4.1-flash",
  "messages": [
    {
      "role": "user",
      "content": "Hello!"
    }
  ],
  "max_tokens": 8192
}'
```

Python · OpenAI SDK

```
import os
from openai import OpenAI

client = OpenAI(
    base_url="https://api.outrun.to/v1",
    api_key=os.environ["OUTRUN_API_KEY"],
)
reply = client.chat.completions.create(
    model="deepseek-v4.1-flash",
    messages=[{"role": "user", "content": "Hello!"}],
    max_tokens=8192,
)
print(reply.choices[0].message.content)
```

## Which tools work with DeepSeek V4.1 Flash?

Any client that accepts an OpenAI-compatible base URL and a model ID can use `deepseek-v4.1-flash`. Setup guides: [Cline (OpenAI Compatible)](https://outrun.to/docs/setup/cline), [OpenCode](https://outrun.to/docs/setup/opencode), [SillyTavern](https://outrun.to/docs/setup/sillytavern), [LiteLLM](https://outrun.to/docs/setup/litellm).

Use these setup values for this model ID. Recommended output settings can be lower than the route maximum.

| Set this value | Value |
| --- | --- |
| API format | `OpenAI compatible` |
| Base URL | `https://api.outrun.to/v1` |
| Model ID | `deepseek-v4.1-flash` |
| Context window | `1,000,000` |
| Max output setting | `8,192` |
| Temperature | `1` |
| Streaming | `Yes` |
| Image support | `No` |
| R1 format | `No` |
| Include max tokens | `Yes` |
| Reasoning override | `No` |
| Prompt caching setting | `No` |

| Capability | Supported |
| --- | --- |
| Tool calling | Yes |
| Streaming | Yes |
| Image input | Yes |
| Roo Code ready | Yes |

## How does DeepSeek V4.1 Flash compare on cost?

| Model | Input / output | 1,000 chat turns |
| --- | --- | --- |
| [DeepSeek V4.1 Flash 1017 Thinking](https://outrun.to/model/deepseek-v4.1-flash-1017-thinking) | $0.20 / $1.20 | $0.56 |
| [DeepSeek V4.1 Flash](https://outrun.to/model/deepseek-v4.1-flash) This model | $0.30 / $1.20 | $0.66 |
| [DeepSeek V4 Flash](https://outrun.to/model/deepseek-v4-flash) | $0.45 / $1.35 | $0.86 |
| [DeepSeek V4.1 Flash 1017](https://outrun.to/model/deepseek-v4.1-flash-1017) | $0.39 / $2.33 | $1.09 |
| [`deepseek-v4.1-flash-1017-3`](https://outrun.to/model/deepseek-v4.1-flash-1017#route-3) Route 3 | $0.20 / $1.20 | $0.56 |
| [DeepSeek V4 Pro](https://outrun.to/model/deepseek-v4-pro) | $1.35 / $4.05 | $2.57 |

Assumes 1,000 input + 300 output tokens per turn, repeated 1,000 times, at standard-tier rates without caching. Input / output shown per 1M tokens, rounded up to the cent.

## Which similar models can I try?

[DeepSeek DeepSeek V4.1 Flash 1017 $0.39 in / $2.33 out View model ↗](https://outrun.to/model/deepseek-v4.1-flash-1017)[DeepSeek DeepSeek V4.1 Flash 1017 Thinking $0.20 in / $1.20 out View model ↗](https://outrun.to/model/deepseek-v4.1-flash-1017-thinking)[DeepSeek DeepSeek V4 Flash $0.45 in / $1.35 out View model ↗](https://outrun.to/model/deepseek-v4-flash)

## Common questions about DeepSeek V4.1 Flash

### How much does the DeepSeek V4.1 Flash API cost?

DeepSeek V4.1 Flash costs $0.30 per 1M input tokens and $1.20 per 1M output tokens (cached input $0.01). Prices as of October 30, 2026.

### What model ID and base URL do I use for DeepSeek V4.1 Flash?

Use the model ID `deepseek-v4.1-flash` with the base URL `https://api.outrun.to/v1` and your Outrun API key.

### Does DeepSeek V4.1 Flash accept images?

Yes. DeepSeek V4.1 Flash accepts text and image input.

### Does Outrun store my prompts when I use DeepSeek V4.1 Flash?

Outrun does not store your prompts, images or outputs unless you choose to save them.

## Where can I find more models?

[DeepSeek guide ↗](https://outrun.to/deepseek-api)[All model prices ↗](https://outrun.to/discounted-ai-api)[Model docs ↗](https://outrun.to/docs/models)[All model pages ↗](https://outrun.to/model/)

---
Source: https://outrun.to/model/deepseek-v4.1-flash
Outrun: https://outrun.to/ | API base: https://api.outrun.to/v1 | Prices (JSON): https://api.outrun.to/pricing | Docs: https://outrun.to/docs/