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deepseek-ai/DeepSeek-V3.1

DeepSeek-V3.1 by DeepSeek-AI is a state-of-the-art, hybrid-inference artificial intelligence model that allows users to toggle between fast conversational responses and deep logical reasoning modes within a single architecture.

🔧Tool calling
Try deepseek-ai/DeepSeek-V3.1CompareDocs

Specifications

Context window164K tokens
Max output—
API typechat
AddedAug 26, 2025
Model IDdeepinfra/deepseek-ai/DeepSeek-V3.1
Data retentionNo
Used for trainingNo
Provider location🇺🇸 US
Privacy policyDeepInfra Privacy Policy→

Benchmarks

Benchmarks haven't been published yet for this exact variant.

Some variants (region-specific deployments, highspeed tiers) share benchmarks with their base model — check the base model page or the DeepInfra Inc. models overview.

Pricing

Input / 1M
$0.30
Output / 1M
$1.00
Cache write
—
Cache read
—
Estimated cost
100K input + 10K output$0.0400
1M input + 100K output$0.40
10M input + 1M output$4.00

Requesty charges exactly what the upstream provider charges — no markup, no per-request fees. Prompt caching and smart routing can reduce effective cost by 30-80%.

Quickstart

Drop-in compatible with the OpenAI SDK. Change the base URL, swap in your Requesty API key, and set the model to deepinfra/deepseek-ai/DeepSeek-V3.1.

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from openai import OpenAI

client = OpenAI(
    api_key="YOUR_REQUESTY_API_KEY",
    base_url="https://router.requesty.ai/v1",
)

response = client.chat.completions.create(
    model="deepinfra/deepseek-ai/DeepSeek-V3.1",
    messages=[
        {"role": "user", "content": "Explain quantum computing in one paragraph."},
    ],
)

print(response.choices[0].message.content)

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Frequently asked questions

How much does deepseek-ai/DeepSeek-V3.1 cost?
deepseek-ai/DeepSeek-V3.1 is priced at $0.30 per million input tokens and $1.00 per million output tokens when accessed via Requesty. Requesty charges exactly what the upstream provider charges — we don't add markup.
What is the context window of deepseek-ai/DeepSeek-V3.1?
deepseek-ai/DeepSeek-V3.1 has a context window of 164K tokens. That's roughly 218 words of input you can fit in a single prompt.
What can deepseek-ai/DeepSeek-V3.1 do?
deepseek-ai/DeepSeek-V3.1 supports tool calling. You can call it through any OpenAI-compatible client by pointing base_url to Requesty.
How do I use deepseek-ai/DeepSeek-V3.1 with the OpenAI SDK?
Install the OpenAI SDK, set base_url to "https://router.requesty.ai/v1", set your API key to your Requesty key, and set the model to "deepinfra/deepseek-ai/DeepSeek-V3.1". The Quickstart above shows Python, JavaScript and cURL snippets.

Access deepseek-ai/DeepSeek-V3.1 through Requesty

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