DeepSeek

DeepSeek DeepSeek V4.1 Flash

DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the first built on the company's Causal Encoder-Decoder (CED) architecture. It activates 8B parameters on input and 16B on...

Try in consoleGet an API key
Context window
1.0Mtokens
Max output
944Ktokens
Input
$0.02/ 1M
Output
$1.00/ 1M

Quick start

from openai import OpenAI

client = OpenAI(
    base_url="https://neurongate.net/v1",
    api_key="sk-ng-your-api-key",
)

completion = client.chat.completions.create(
    model="deepseek/deepseek-v4.1-flash",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(completion.choices[0].message.content)

Cost

Example requestTokensCost
Short prompt1K in$0.00002
Typical chat turn1K in · 500 out$0.00052
Document analysis10K in · 2K out$0.0022
Long context100K in · 10K out$0.012
Estimated cost per request$0.00052

Prices in USD. Billed per token actually used, from a balance prepaid in USDT, USDC, ETH or BTC.

Frequently asked questions

What is DeepSeek DeepSeek V4.1 Flash?

DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the first built on the company's Causal Encoder-Decoder (CED) architecture. It activates 8B parameters on input and 16B on...

How much does DeepSeek DeepSeek V4.1 Flash cost?

DeepSeek DeepSeek V4.1 Flash is priced at $0.02 per 1 million input tokens and $1 per 1 million output tokens when accessed via NeuronGate. You pay per token — no subscriptions required. Top up with crypto (USDT, USDC, ETH, BTC).

Does DeepSeek DeepSeek V4.1 Flash support streaming?

Yes, DeepSeek DeepSeek V4.1 Flash supports streaming responses via NeuronGate's API. Use the standard "stream": true parameter in your request.

What is the context window of DeepSeek DeepSeek V4.1 Flash?

DeepSeek DeepSeek V4.1 Flash has a context window of 1.0M tokens (~786K words). Maximum output is 944K tokens.

Does DeepSeek DeepSeek V4.1 Flash support function calling (tools)?

Yes, DeepSeek DeepSeek V4.1 Flash supports function calling / tool use via NeuronGate's standard API.

How do I use DeepSeek DeepSeek V4.1 Flash with NeuronGate?

Create a NeuronGate account, top up your balance with crypto, generate an API key, and use the model id deepseek/deepseek-v4.1-flash in your requests. NeuronGate uses the OpenAI-compatible API format — set your base URL to https://neurongate.net/v1.

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