How much does GPT-3.5 Turbo 16k cost?

Billing is usage-based: $3 per million input tokens and $4 per million output tokens. There is no fixed monthly fee. You pay only for what you use, and current rates are shown in the Hormouz dashboard.

How do I access GPT-3.5 Turbo 16k from inside Iran?

Create an account on Hormouz and generate an API key. Hormouz provides a stable path to GPT-3.5 Turbo 16k from inside Iran, with no foreign credit card or circumvention tooling required.

Is GPT-3.5 Turbo 16k compatible with OpenAI code?

Yes. Hormouz exposes an OpenAI-compatible API. Just change the base URL to Hormouz and swap in your Hormouz key. Your existing SDKs and chat-completions code run without a rewrite.

What context window and capabilities does GPT-3.5 Turbo 16k have?

GPT-3.5 Turbo 16k supports a context window of up to 16K tokens. It also supports tool calling. That makes it a good fit for long documents, codebases and multi-turn conversations.

What is GPT-3.5 Turbo 16k good for?

GPT-3.5 Turbo 16k works well for chat assistants, content generation, summarization, drafting and general text tasks.

What is GPT-3.5 Turbo 16k's knowledge cutoff?

GPT-3.5 Turbo 16k's training data runs through Sep 2021. For information newer than that, provide the relevant context in your prompt or connect a tool that fetches live data.

OpenAI: GPT-3.5 Turbo 16k: AI model

GPT-3.5 Turbo 16k is an OpenAI model. A longer-context variant of GPT-3.5 Turbo for larger documents, with up to 16K-token context. Reachable from inside Iran through Hormouz.

Context window:: 16,385 tokens
Input:: $3/1M tokens
Output:: $4/1M tokens
Type:: text

Tools
Streaming

GPT-3.5 Turbo 16k is a longer-context variant of GPT-3.5 Turbo for larger documents. The 16k variant roughly quadruples the context of the original GPT-3.5 Turbo, letting a single request cover many more pages of text. It supports a context window of up to 16K tokens, with training data through Sep 2021.

GPT-3.5 Turbo 16k is served through Hormouz behind an OpenAI-compatible API. It supports tool calling. Point your base URL at Hormouz and drop in a Hormouz key, and existing OpenAI SDK code runs unchanged.

Pricing is usage-based: $3 per million input tokens and $4 per million output tokens. Hormouz provides stable access to the model from inside Iran, with no foreign credit card or circumvention tooling required.

This model offers four times the context length of gpt-3.5-turbo, allowing it to support approximately 20 pages of text in a single request at a higher cost. Training data: up...

Quickstart

curl https://api.hormouz.net/v1/chat/completions \
  -H "Authorization: Bearer ng-YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-3.5-turbo-16k",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Specs

Vendor	OpenAI
Type	Text
Context window	16,385 tokens
Pricing	$3.00/M in · $4.00/M out
API	Chat Completions
Capabilities	Streaming · Tools

Code example

cURL

curl https://api.hormouz.net/v1/chat/completions \
  -H "Authorization: Bearer ng-YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-3.5-turbo-16k",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Python

from openai import OpenAI
client = OpenAI(api_key="ng-YOUR_API_KEY", base_url="https://api.hormouz.net/v1")
response = client.chat.completions.create(
    model="openai/gpt-3.5-turbo-16k",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)

JavaScript

import OpenAI from "openai";
const client = new OpenAI({ apiKey: "ng-YOUR_API_KEY", baseURL: "https://api.hormouz.net/v1" });
const response = await client.chat.completions.create({
  model: "openai/gpt-3.5-turbo-16k",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);

Buy the OpenAI: GPT-3.5 Turbo 16k API, paid in rial

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One Hormouz key reaches OpenAI: GPT-3.5 Turbo 16k and 600+ other models, and you pay only for what you use.
No VPN and no risk of a banned account; just change the base URL to api.hormouz.net/v1.

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FAQ

How much does GPT-3.5 Turbo 16k cost?: Billing is usage-based: $3 per million input tokens and $4 per million output tokens. There is no fixed monthly fee. You pay only for what you use, and current rates are shown in the Hormouz dashboard.
How do I access GPT-3.5 Turbo 16k from inside Iran?: Create an account on Hormouz and generate an API key. Hormouz provides a stable path to GPT-3.5 Turbo 16k from inside Iran, with no foreign credit card or circumvention tooling required.
Is GPT-3.5 Turbo 16k compatible with OpenAI code?: Yes. Hormouz exposes an OpenAI-compatible API. Just change the base URL to Hormouz and swap in your Hormouz key. Your existing SDKs and chat-completions code run without a rewrite.
What context window and capabilities does GPT-3.5 Turbo 16k have?: GPT-3.5 Turbo 16k supports a context window of up to 16K tokens. It also supports tool calling. That makes it a good fit for long documents, codebases and multi-turn conversations.
What is GPT-3.5 Turbo 16k good for?: GPT-3.5 Turbo 16k works well for chat assistants, content generation, summarization, drafting and general text tasks.
What is GPT-3.5 Turbo 16k's knowledge cutoff?: GPT-3.5 Turbo 16k's training data runs through Sep 2021. For information newer than that, provide the relevant context in your prompt or connect a tool that fetches live data.

Updated 2026-10-13