Cheap GPT-6 Astra API

What a top-up buys on GPT-6 Astra

Output-token count only; input tokens are cheaper. First top-up is at least 2.5×.

When to pick GPT-6 Astra

GPT-6 Astra costs $0.04 per 1,500-in/500-out request at list price, $0.02 effective. It is a premium model: use it for the hardest reasoning and writing, and route simple tasks to a cheaper model.

GPT-6 Astra vs similarly priced models

Nearest models to GPT-6 Astra by blended price (3 input : 1 output). All run on one Somnus key.

Getting the most out of GPT-6 Astra for less

• Input is 5.0× cheaper than output on GPT-6 Astra, so long context with short answers is the cheapest pattern.
• A $200 top-up gives $500 credit — about 25M blended GPT-6 Astra tokens.
• Mix models: send easy steps to DeepSeek V4 Flash and keep GPT-6 Astra for the steps that need it.

Other ChatGPT models on Somnus

Every OpenAI model shares the same key and balance.

Use GPT-6 Astra

import OpenAI from "openai";

const client = new OpenAI({
  apiKey: process.env.SOMNUS_API_KEY,
  baseURL: "https://gateway-production-c837.up.railway.app/v1",
});

const resp = await client.chat.completions.create({
  model: "claude-sonnet-5",
  messages: [
    {"role": "user", "content": "Summarise this in one line"}
  ],
});
console.log(resp.choices[0].message.content);

Copy the exact model id from your dashboard.

Questions

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