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Magnum v4 72B API Pricing

Magnum v4 72B is an API model from anthracite-org. It costs $2.5 per 1M input tokens and $5 per 1M output tokens. Its context window is 32,768 tokens with up to 4,096 output tokens. A workload of 10M input + 2M output tokens costs about $35 per month.
Input
$2.5
per 1M tokens
Output
$5
per 1M tokens
Cached input
—
per 1M tokens
Context window
32K
32,768 tokens
Blended (80/20)
$3
per 1M tokens

This is a series of models designed to replicate the prose quality of the Claude 3 models, specifically Sonnet(https://openrouter.ai/anthropic/claude-3.5-sonnet) and Opus(https://openrouter.ai/anthropic/claude-3-opus). The model is fine-tuned on top of [Qwen2.5 72B](https://openrouter.ai/qwen/qwen-2.5-72b-instruct).

How much does Magnum v4 72B cost for a real workload?

At 10M input + 2M output tokens per month, Magnum v4 72B costs about $35 ($25 input + $10 output). Try your own volumes in the cost calculator.

What are cheaper alternatives to Magnum v4 72B?

Compare Magnum v4 72B with other models

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Frequently asked questions

How much does Magnum v4 72B cost?

Magnum v4 72B costs $2.5 per 1M input tokens and $5 per 1M output tokens (list price, snapshot October 21, 2026). At 10M input + 2M output tokens per month that is about $35.

What is the context window of Magnum v4 72B?

Magnum v4 72B has a context window of 32,768 tokens and can return up to 4,096 output tokens per response.

What are cheaper alternatives to Magnum v4 72B?

Cheaper models include Z.ai: GLM 5.2 ($0.0341 in / $7 out), OpenAI: GPT-5.6 Terra Pro (batch) ($1 in / $6 out), OpenAI: GPT-5.6 Terra (batch) ($1 in / $6 out). See the full list on this page.

Is Magnum v4 72B free to use?

No. Magnum v4 72B is a paid model at $2.5 input / $5 output per 1M tokens. 20 free models are listed on the free models page.

Provider: anthracite-org · Model ID: anthracite-org/magnum-v4-72b · Modality: text->text · Price snapshot October 21, 2026, refreshed daily. How we collect prices