Migrating from OpenAI

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The two changes

  from openai import OpenAI

  client = OpenAI(
-     base_url="https://api.openai.com/v1",
-     api_key=OPENAI_API_KEY,
+     base_url="https://api.deepshi.ai/v1",
+     api_key=DEEPSHI_API_KEY,
  )

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Update model names

-  model="gpt-4o",
+  model="deepshi-3.0",

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What carries over

• Chat completions request/response shapes.
• Streaming (stream: true) and the SSE format.
• Tool / function calling.
• Most libraries and agent frameworks built on the OpenAI API, as long as you override the base URL and key.

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Things to check

• Pricing and credits work differently. Deepshi uses prepaid, USD-denominated credits. See Credits & billing.
• Error codes mostly match OpenAI, with 402 specifically meaning you’re out of credits. See Errors.
• Parameters a given model doesn’t support are ignored rather than rejected.