deepseek-ai/deepseek-v4-flash — Free AI Model & API

Verified
nvidia-nim/deepseek-ai-deepseek-v4-flash
chat
Get API key →
Context Window 1.0M
Max Output 384K
Rate Limit Up to 40 RPM
Cost $0.00 FREE
Free Period Since May 10, 2026
Credit Card Not required
Status Online

Overview

DeepSeek V4 Flash is available free on NVIDIA NIM with up to 40 RPM and no daily token cap. As DeepSeek's latest-generation flash variant, it prioritizes speed and efficiency while retaining strong general-purpose performance. NVIDIA's OpenAI-compatible endpoint makes it a drop-in replacement for any tool that accepts a custom base URL. NVIDIA Developer Program membership (free) required; phone verification needed for API key.

Model ID
deepseek-ai/deepseek-v4-flash
Base URL
https://integrate.api.nvidia.com/v1
Specifications
Context: 1.0M · Output: 384K · Modality: text · OpenAI Compat: Yes

Quick Start

Integrate deepseek-ai/deepseek-v4-flash with 3 lines of code. See the config generator for Claude Code, Cursor, and more.

from openai import OpenAI

client = OpenAI(
 base_url="https://integrate.api.nvidia.com/v1",
 api_key="YOUR_API_KEY"
)

response = client.chat.completions.create(
 model="deepseek-ai/deepseek-v4-flash",
 messages=[{"role": "user", "content": "Hello!"}]
)
print(response.choices[0].message.content)
import OpenAI from "openai";

const openai = new OpenAI({
 baseURL: "https://integrate.api.nvidia.com/v1",
 apiKey: "YOUR_API_KEY",
});

const completion = await openai.chat.completions.create({
 model: "deepseek-ai/deepseek-v4-flash",
 messages: [{ role: "user", content: "Hello!" }],
});

console.log(completion.choices[0].message.content);
curl https://integrate.api.nvidia.com/v1/chat/completions \
 -H "Content-Type: application/json" \
 -H "Authorization: Bearer YOUR_API_KEY" \
 -d '{
 "model": "deepseek-ai/deepseek-v4-flash",
 "messages": [{"role": "user", "content": "Hello!"}]
 }'

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Rate Limits & Constraints

Rate Limit Up to 40 RPM
Context Window 1.0M
Max Output Tokens 384K
Cost Free — since May 10, 2026
Credit Card Not required
OpenAI Compatible Yes — drop-in replacement

NVIDIA NIM Platform Limitations

  • ~40 RPM shared across all models, not per-model
  • Some models require additional registration per model family
  • Unavailable models listed in catalog but uncallable with standard key

Features & Use Cases

Best For

Chat

Modality Support

text

NVIDIA NIM Highlights

  • 100+ open models available
  • No daily token cap
  • ~40 RPM free tier
  • No credit card required

Playground — Test deepseek-ai/deepseek-v4-flash

Test deepseek-ai/deepseek-v4-flash directly in your browser. Your API key is sent directly to NVIDIA NIM — never stored.

Model: deepseek-ai/deepseek-v4-flash Get Key

🔒 Your key is never stored — sent directly to the model provider via our server proxy.

Ready to chat with deepseek-ai/deepseek-v4-flash.

Frequently Asked Questions

How do I get an API key for deepseek-ai/deepseek-v4-flash?

Sign up at NVIDIA NIM to get your API key. No credit card is required — just an email sign-up. Once you have the key, use the code snippets in the Quick Start section above.

Is deepseek-ai/deepseek-v4-flash really free?

Yes. deepseek-ai/deepseek-v4-flash is available on NVIDIA NIM's free tier and has been free since May 10, 2026. Rate limits apply: Up to 40 RPM. Always check the provider's terms for any changes to the free tier.

What are deepseek-ai/deepseek-v4-flash's rate limits?

Up to 40 RPM Context window: 1.0M. Max output: 384K. No credit card required.

What are the best free alternatives to deepseek-ai/deepseek-v4-flash?

Popular free alternatives include inclusionAI: Ring-2.6-1T, Baidu Qianfan: CoBuddy (free), Owl Alpha. You can also browse all 147+ free models on our site.

More questions? See our full FAQ →

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