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GPT-5.4 mini API in Russia — no VPN, no foreign card

GPT-5.4 mini is OpenAI's faster, more efficient version of GPT-5.4 for coding, subagents and high-volume requests. Connect through RuAPI: pay in USDT from $5, no subscription, your key right after sign-up.

Original OpenAI model Pay in USDT / USDC from $5 No VPN OpenAI-compatible API
Get an API keyAll prices
from openai import OpenAI

client = OpenAI(
    api_key="sk-...",
    base_url="https://www.ruapi.ai/v1",
)

resp = client.chat.completions.create(
    model="gpt-5.4-mini",
    messages=[{"role": "user", "content": "Hello"}],
)

print(resp.choices[0].message.content)

Replace sk-... with a key from the RuAPI Console — the model gpt-5.4-mini is already set.

GPT-5.4 mini API price

Current price in US dollars — the same as on the pricing page. Pay in USDT, pay as you go, no subscription.

modelinput $ / 1Moutput $ / 1M
gpt-5.4-mini
$0.90
cache read $0.0900
$5.40

Input is the regular price of input tokens, “cache read” is the price of input tokens served from the prompt cache, output is the price of output tokens. The price in your account may be lower.

All models and prices →

What is GPT-5.4 mini

GPT-5.4 mini is the lighter model of the GPT-5.4 family. OpenAI describes it as bringing GPT-5.4's strengths to a faster, more efficient model built for coding, subagents and high volume.

Its context window is smaller than GPT-5.4's — 400K tokens — so very long documents and large codebases are better handled by GPT-5.4 or the GPT-5.6 models. Reasoning works the same way: none by default, low to xhigh when needed. The model understands images, calls functions and returns structured outputs.

GPT-5.4 mini specs

DeveloperOpenAI
Model ID in the RuAPI APIgpt-5.4-mini
Context window400K tokens
Max input272K tokens
Max output128K tokens
Inputtext, images
Outputtext
Reasoning modeyes
Tool callingyes
Prompt cachingyes
Statusgenerally available
Protocols on RuAPIOpenAI (/v1/chat/completions) · OpenAI Responses (/v1/responses)

Specs are from OpenAI’s official documentation (developers.openai.com), checked Oct 22, 2026.

What it’s good for

  • Subagents and helper steps in coding agents
  • Quick code edits and explanations in Cline, Roo Code or Kilo Code
  • High-volume classification and data extraction
  • Chatbots where response speed matters

When another model is a better fit

  • GPT-5.6 Terra — The mini-level model of the GPT-5.6 series: larger context window and more recent knowledge
  • DeepSeek Flash — DeepSeek's model for agents and coding; new accounts usually get a small trial balance for it

GPT-5.4 mini: price on RuAPI and elsewhere

RuAPIAITUNNELProxyAPI
Input, $ per 1M tokens$0.90≈ $1.83≈ $2.806
Output, $ per 1M tokens$5.40≈ $10.98≈ $16.71

AITUNNEL and ProxyAPI prices are from their public pages as of Oct 22, 2026 (ProxyAPI prices include VAT, as on their site), converted at the Bank of Russia rate (81.97 ₽ per $1). The RuAPI price is current.

How to connect GPT-5.4 mini from Russia

  1. Sign up at ruapi.ai — with email, Google or Yandex. No VPN needed.
  2. Top up with USDT or USDC from 5 USDT. No USDT yet? Buy it with rubles via SBP — step by step in the docs.
  3. In the Console, open API Keys → Create key.
  4. Use the address https://www.ruapi.ai/v1 and the model gpt-5.4-mini.

How to buy USDT with rubles · Quickstart

# faq

FAQ

Sign up at RuAPI, top up with USDT and create a key in the Console — it works with GPT-5.4 mini and every other model. You don’t need a OpenAI account or a VPN.

See also: ChatGPT API in Russia · Documentation · GPT-6 Astra · GPT-5.6 Sol · GPT-5.6 Terra · GPT-5.6 Luna

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