Solutions

An OpenAI-compatible API for Claude, Gemini and more

If your code uses the OpenAI SDK, you can reach Claude, Gemini, DeepSeek and other makers' models through Somnus by changing two settings: the base URL and the API key.

Two-line change

Set base_url to the Somnus gateway and use your Somnus key. Requests and responses keep the chat-completions format.

Streaming and tools

Streaming, system prompts, JSON output and tool calls use the same request fields.

One bill

Every model draws from the same prepaid balance.

The two-line change

python

from openai import OpenAI
import os

client = OpenAI(
    api_key=os.environ["SOMNUS_API_KEY"],
    base_url="https://gateway-production-c837.up.railway.app/v1",
)

resp = client.chat.completions.create(
    model="claude-sonnet-5",
    messages=[
      {"role": "user", "content": "Hello"}
    ],
)
print(resp.choices[0].message.content)