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Magnum v4 72B: AI model

Magnum v4 72B is a Qwen2.5-72B fine-tune built to reproduce high-quality prose, aimed at creative writing and roleplay with a 32K context window. Reachable from inside Iran through Hormouz.

Context window:
32,768 tokens
Input:
$2.5/1M tokens
Output:
$5/1M tokens
Type:
text
  • Streaming

Magnum v4 72B is part of a series of models designed to reproduce the prose quality of advanced models. It is fine-tuned on top of Qwen2.5-72B.

Magnum v4 72B is aimed at creative writing, storytelling and roleplay with high linguistic quality, and carries a context window of up to 32K tokens. The model is served through Hormouz behind an OpenAI-compatible API.

Pricing is usage-based: $3.00 per million input tokens and $5.00 per million output tokens. Hormouz provides stable access to the model from inside Iran.

This is a series of models designed to replicate the prose quality of the Claude 3 models, specifically Sonnet and Opus. The model is fine-tuned on top of Qwen2.5 72B.

Quickstart

curl https://api.hormouz.net/v1/chat/completions \
  -H "Authorization: Bearer ng-YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "anthracite-org/magnum-v4-72b",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Specs

VendorAnthracite
TypeText
Context window32,768 tokens
Pricing$2.50/M in · $5.00/M out
APIChat Completions
CapabilitiesStreaming

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": "anthracite-org/magnum-v4-72b",
    "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="anthracite-org/magnum-v4-72b",
    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: "anthracite-org/magnum-v4-72b",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);

Buy the Magnum v4 72B API, paid in rial

  • Buy credit with an Iranian bank card; no foreign card or account needed.
  • One Hormouz key reaches Magnum v4 72B 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.
Create an account

Use via Hormouz

Connect to this model and 600+ others with one API key, then see usage down to each request.

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FAQ

How much does Magnum v4 72B cost?
Billing is usage-based: $3.00 per million input tokens and $5.00 per million output tokens.
How do I access Magnum v4 72B from inside Iran?
Create an account on Hormouz and generate an API key. Hormouz provides a stable path to the model from inside Iran, with no foreign credit card or circumvention tooling required.
Is Magnum v4 72B 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 code run without a rewrite.
What is Magnum v4 72B good for?
It is designed for creative writing, storytelling and roleplay with high prose quality.
What is Magnum v4 72B based on?
It is fine-tuned on top of Qwen2.5-72B and has a context window of up to 32K tokens.

Updated 2026-10-13