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deepseek-ai/DeepSeek-V4-Flash

DeepSeek V4 Flash is an efficiency-focused MoE model with 284B total parameters (13B active) and a 1M-token context window. It's tuned for fast inference and high-throughput use cases while still holding up on reasoning and coding tasks.

🧠Reasoning🔧Tool calling⚡Caching
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Specifications

Context window1.0M tokens
Max output—
API typechat
AddedMay 27, 2026
Model IDdeepinfra/deepseek-ai/DeepSeek-V4-Flash
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
$0.10
Output / 1M
$0.20
Cache write
—
Cache read / 1M
$0.02
Estimated cost
100K input + 10K output$0.0120
1M input + 100K output$0.12
10M input + 1M output$1.20

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-V4-Flash.

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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-V4-Flash",
    messages=[
        {"role": "user", "content": "Explain quantum computing in one paragraph."},
    ],
)

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

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moonshotai/Kimi-K2.6
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gemma-4-31B-it
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deepseek-ai/DeepSeek-V4-Pro
1.0M ctx$1.30/1M

Frequently asked questions

How much does deepseek-ai/DeepSeek-V4-Flash cost?
deepseek-ai/DeepSeek-V4-Flash is priced at $0.10 per million input tokens and $0.20 per million output tokens when accessed via Requesty. Prompt caching is supported, which can cut effective input cost by up to 90% on repeated context. Requesty charges exactly what the upstream provider charges — we don't add markup.
What is the context window of deepseek-ai/DeepSeek-V4-Flash?
deepseek-ai/DeepSeek-V4-Flash has a context window of 1.0M tokens. That's roughly 1,398 words of input you can fit in a single prompt.
What can deepseek-ai/DeepSeek-V4-Flash do?
deepseek-ai/DeepSeek-V4-Flash supports tool calling, extended reasoning, prompt caching. You can call it through any OpenAI-compatible client by pointing base_url to Requesty.
How do I use deepseek-ai/DeepSeek-V4-Flash 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-V4-Flash". The Quickstart above shows Python, JavaScript and cURL snippets.

Access deepseek-ai/DeepSeek-V4-Flash through Requesty

One API key, 400+ models, OpenAI-compatible. No markup on provider prices, automatic failover, and smart caching built-in.

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