Cheap Gemini 3.8 Flash API

What a top-up buys on Gemini 3.8 Flash

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

When to pick Gemini 3.8 Flash

Gemini 3.8 Flash costs $0.0030 per 1,500-in/500-out request at list price, $0.0015 effective. It is one of the lowest-priced models available, ideal for high-volume work.

Gemini 3.8 Flash vs similarly priced models

Nearest models to Gemini 3.8 Flash by blended price (3 input : 1 output). All run on one Somnus key.

Getting the most out of Gemini 3.8 Flash for less

• Input is 5.0× cheaper than output on Gemini 3.8 Flash, so long context with short answers is the cheapest pattern.
• A $200 top-up gives $500 credit — about 333M blended Gemini 3.8 Flash tokens.
• Mix models: send easy steps to DeepSeek V4 Flash and keep Gemini 3.8 Flash for the steps that need it.

Other Gemini models on Somnus

Every Google model shares the same key and balance.

Use Gemini 3.8 Flash

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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