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by Ryan Lindsey · 2026-04-29

Switching from OpenAI to ZC Inference Exchange can reduce your API costs by up to 70% without changing your application code. This guide demonstrates how to migrate your existing /v1/chat/completions integration to ZC Inference Exchange, maintaining the same behavior while significantly lowering your bill. ZC Inference Exchange offers competitive pricing starting at $33 per million tokens on the Business plan, which is 60-80% lower than OpenAI's rates. Here's how to do it.

Before: OpenAI Integration

Your current integration with OpenAI might look like this:

import requests

headers = {
    'Authorization': 'Bearer YOUR_OPENAI_API_KEY'
}

response = requests.post(
    'https://api.openai.com/v1/chat/completions',
    headers=headers,
    json={
        'model': 'gpt-3.5-turbo',
        'messages': [{'role': 'user', 'content': 'Hello, how are you?' }],
        'temperature': 0.7
    }
)
print(response.json())

After: ZC Inference Exchange Integration

To migrate to ZC Inference Exchange, you only need to change the URL and your API key. Your updated code would look like this:

import requests

headers = {
    'Authorization': 'Bearer YOUR_ZCX_API_KEY'
}

response = requests.post(
    'https://zcx.zctechnologies.org/v1/chat/completions',
    headers=headers,
    json={
        'model': 'qwen2.5:32b',
        'messages': [{'role': 'user', 'content': 'Hello, how are you?' }],
        'temperature': 0.7
    }
)
print(response.json())

Cost Savings Example

Assuming you use 10 million tokens per month, here's the cost comparison:

• OpenAI: $100 per million tokens → $1000 per month
• ZC Inference Exchange (Business Plan): $33 per million tokens → $330 per month

This migration results in a savings of $670 per month, or 67% of your previous costs. ZC Inference Exchange offers Qwen 2.5 models on dedicated NVIDIA GB10 silicon, ensuring high performance and reliability.

Conclusion

Migrating your application from OpenAI to ZC Inference Exchange is a straightforward process that can significantly reduce your operational costs. With competitive pricing and the same API structure, you can enjoy the benefits of cutting-edge AI technology without the high price tag. Sign up for a prepaid LLM credit line at https://zcx.zctechnologies.org#plans to start saving today.