What is the context window of Magnum v4 72B?

Magnum v4 72B supports a context window of 32K tokens.

Is Magnum v4 72B free to use?

Magnum v4 72B is a paid model. It costs $2.50 per million input tokens and $5.00 per million output tokens.

How is LLM API pricing calculated?

LLM pricing has two components: input tokens (everything you send) and output tokens (what the model generates). Total cost = (prompt tokens × input rate + output tokens × output rate) / 1,000,000 × number of requests.

Magnum v4 72B API Pricing — $2.50 Input / $5.00 Output per 1M Tokens

Q: How much does Magnum v4 72B cost?

Magnum v4 72B costs $2.50 per million input tokens and $5.00 per million output tokens via OpenRouter. Pricing was last updated Oct 29, 2026.

Magnum v4 72B by Anthracite Org — $2.50 input / $5.00 output per 1M tokens via OpenRouter. Context: 32K tokens. Pricing last updated Oct 29, 2026.

Input / 1M tokens

$2.50

Output / 1M tokens

$5.00

Provider

Anthracite Org

Context window

32K tokens

Via

OpenRouter

Cost at common usage volumes

Usage	Daily	Monthly
Chatbot (100/day)	$0.750	$22.50
Small app (1K/day)	$5.00	$150.00
Mid-scale (10K/day)	$75.00	$2250.00
Large scale (100K/day)	$1750.00	$52500.00

Model ID: anthracite-org/magnum-v4-72b
Data source: OpenRouter public API — updated Oct 29, 2026.

← Full cost calculator Compare models →

Ad · 336x280

About Magnum v4 72B

Magnum v4 72B is an LLM developed by Anthracite Org. Input costs $2.50 per million tokens and output costs $5.00 per million tokens via OpenRouter. It supports a context window of 32K tokens.

Pricing Details

Via the OpenRouter API:

Input tokens: $2.50 per 1 million tokens
Output tokens: $5.00 per 1 million tokens

A token is roughly 0.75 words. For context: a typical user message of 100 words is approximately 133 tokens; a 500-word system prompt is about 650 tokens.

How Much Does Magnum v4 72B Cost?

For a typical chatbot application (1,000 requests/day, 1,000 prompt tokens and 500 output tokens per request):

Daily cost: $5.0000
Monthly cost: $150.000

Accessing Magnum v4 72B via OpenRouter

OpenRouter provides a unified API for 200+ LLMs including Magnum v4 72B. You can use it with any OpenAI-compatible SDK by setting the base URL to https://openrouter.ai/api/v1 and using your OpenRouter API key. The model ID is anthracite-org/magnum-v4-72b.

Compare Magnum v4 72B with Other Models

Use the AI Model Cost Comparison tool to compare Magnum v4 72B against GPT-4o, Claude 3.5 Sonnet, Gemini 1.5 Pro, or any other model side by side. Or use the LLM API Cost Calculator to browse all 456+ models sorted by cost for your specific usage.

Frequently Asked Questions

Yes. Magnum v4 72B is available on OpenRouter with the model ID anthracite-org/magnum-v4-72b. OpenRouter provides a unified API compatible with OpenAI's SDK format.