Solutions

Cheap Gemini 4 Argon API

Gemini 4 Argon is Google's Gemini model listed at $2 / $10 per 1M input/output tokens. Through Somnus every top-up is credited at 2× to 2.5×, so you effectively pay $1 / $5 or less, on the same OpenAI-compatible key as 50+ other models.

What a top-up buys on Gemini 4 Argon

You payCredit≈ 1M output tokens of Gemini 4 Argon
$20 (2×)$404.0
$50 (2.2×)$11011
$100 (2.35×)$23524
$200 (2.5×)$50050

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

When to pick Gemini 4 Argon

Gemini 4 Argon costs $0.0080 per 1,500-in/500-out request at list price, $0.0040 effective. It sits in the mid price range — a good default for production apps.

Gemini 4 Argon vs similarly priced models

ModelMakerList (in / out)EffectiveSame request, effective
Claude Sonnet 5.5Anthropic$2 / $10$1 / $5$0.0040
Claude Sonnet 5Anthropic$2 / $10$1 / $5$0.0040
GPT-6.1 SolOpenAI$2 / $10$1 / $5$0.0040
GPT-6 SolOpenAI$2 / $10$1 / $5$0.0040

Nearest models to Gemini 4 Argon by blended price (3 input : 1 output). All run on one Somnus key.

Getting the most out of Gemini 4 Argon for less

  • Input is 5.0× cheaper than output on Gemini 4 Argon, so long context with short answers is the cheapest pattern.
  • A $200 top-up gives $500 credit — about 125M blended Gemini 4 Argon tokens.
  • Mix models: send easy steps to Claude Haiku 5.5 and keep Gemini 4 Argon for the steps that need it.

Other Gemini models on Somnus

ModelList (in / out)Effectivevs Gemini 4 Argon
Gemini 3.1 Pro$2 / $12$1 / $61.13× the price
Gemini 3.8 Flash$0.75 / $3.75$0.375 / $1.8750.38× the price

Every Google model shares the same key and balance.

Use Gemini 4 Argon

javascript
import OpenAI from "openai";

const client = new OpenAI({
  apiKey: process.env.SOMNUS_API_KEY,
  baseURL: "https://somnus.world/api/public/gateway/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);

Model id: "gemini-4-argon".

Questions

Is Gemini 4 Argon really cheaper on Somnus?

Usage is billed at Google's list price, but each dollar you pay is credited as $2–$2.50, so the effective price is half or less.

Do I need a subscription?

No. Top up any amount from $5, or start with the free $10 credit after card verification.

Is Somnus affiliated with Google?

No. Somnus is an independent gateway.

Try Gemini 4 Argon with free credit

$10 free after card verification, then 2× or more on every top-up.

Create a free account

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