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How to Use DeepSeek Models for API Access – 100% Free

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If you’ve been searching for a way to use powerful AI models like DeepSeek-V3, DeepSeek-R1, and Mistral-Small-24B-Instruct-2501 without spending a dime, you’re in the right place. In this guide, I’ll show you how to access these models for free API usage, step by step. No unnecessary fluff—just practical information to get you started right away.

What Are DeepSeek and Mistral Models?

DeepSeek and Mistral AI models are some of the most powerful open-source AI models available today. These models can generate text, assist with programming, and even handle complex reasoning tasks. The good news? You don’t have to pay a premium to use them via an API.

Here are some of the top models we’ll cover:

  • DeepSeek-V3
  • DeepSeek-R1
  • Mistral-Small-24B-Instruct-2501
  • DeepSeek-LLM-67B-Chat
  • Databricks DBRX-Instruct

You can call these models via a free API endpoint and start generating responses in seconds.

How to Access DeepSeek Models for Free

1. Get API Access

For free access, we’ll be using Blackbox AI’s API. This service allows you to query AI models without requiring paid subscriptions.

API Endpoint:
https://api.blackbox.ai/api/chat

2. Install Required Dependencies

If you don’t have requests installed in Python, install it first:

pip install requests

3. Send a Request to the API

Here’s how you can call the API using Python:

import requests
import json

url = "https://api.blackbox.ai/api/chat"

payload = json.dumps({
  "messages": [
    {
      "content": "make a simple python function",
      "role": "user"
    }
  ],
  "model": "deepseek-ai/DeepSeek-R1",
  "max_tokens": "1024"
})

headers = {
  'Content-Type': 'application/json'
}

response = requests.request("POST", url, headers=headers, data=payload)

print(response.text)

4. Change the Model

Want to try a different model? Just change the model value in the payload:

  • DeepSeek-V3 → "model": "deepseek-ai/DeepSeek-V3"
  • Mistral-Small-24B-Instruct-2501 → "model": "mistralai/Mistral-Small-24B-Instruct-2501"
  • DeepSeek-LLM-67B-Chat → "model": "deepseek-ai/deepseek-llm-67b-chat"
  • DBRX-Instruct → "model": "databricks/dbrx-instruct"

Why Use This API?

  • Completely Free – No credit card required. No API key required.
  • Fast and Reliable – Get responses within seconds.
  • Supports Multiple Models – Try different AI models easily.
  • Easy to Use – Just make a simple HTTP request.

Final Thoughts

If you’ve ever wanted to experiment with state-of-the-art AI models without worrying about costs, this method is perfect. Now you can generate text, code, or answers instantly using DeepSeek and Mistral models without paying a dime.

Give it a try, tweak the API calls, and let me know if you hit any roadblocks!

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