Magnum v4 72B
Anthracite-org Magnum v4 72B — pricing, 16k context window, API cost calculator and alternatives.
Specs
- Provider
- Anthracite-org
- Slug
- anthracite-org/magnum-v4-72b
- Capabilities
- json_mode
Pricing freshness
- Tier
- standard
- Currency
- USD
- As of
- 2026-05-08 17:08 UTC
Pricing history
Tracking Magnum v4 72B pricing since 2026-05-08. We'll plot the chart here once it changes.
Quickstart — call Magnum v4 72B from your app
curl https://openrouter.ai/api/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $OPENROUTER_API_KEY" \
-d '{
"model": "anthracite-org/magnum-v4-72b",
"messages": [{"role": "user", "content": "Hello!"}]
}'Official docs: https://openrouter.ai/docs
# pip install openai
from openai import OpenAI
client = OpenAI(
base_url="https://openrouter.ai/api/v1",
api_key=os.environ["OPENROUTER_API_KEY"],
)
resp = client.chat.completions.create(
model="anthracite-org/magnum-v4-72b",
messages=[{"role": "user", "content": "Hello!"}],
)
print(resp.choices[0].message.content)Official docs: https://openrouter.ai/docs
// npm install openai
import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://openrouter.ai/api/v1",
apiKey: process.env.OPENROUTER_API_KEY,
});
const resp = await client.chat.completions.create({
model: "anthracite-org/magnum-v4-72b",
messages: [{ role: "user", content: "Hello!" }],
});
console.log(resp.choices[0].message.content);Official docs: https://openrouter.ai/docs
Related models
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Frequently asked questions
What is Magnum v4 72B?
Magnum v4 72B is a large language model API from Anthracite-org with a 16k-token context window. It costs $3 per 1M input tokens and $5 per 1M output tokens.
How much does Magnum v4 72B cost?
Magnum v4 72B is priced at $3 per 1M input tokens and $5 per 1M output tokens via the Anthracite-org API. A 50/50 input/output workload of 1M total tokens costs about $4.
What is the context window of Magnum v4 72B?
Magnum v4 72B supports up to 16k tokens of context per request — roughly 33 pages of English text or 2048 lines of code at a typical density.
Does Magnum v4 72B support vision, tool use, or JSON mode?
Magnum v4 72B supports structured JSON mode. It does not support image input (vision) and tool/function calling.
Who makes Magnum v4 72B?
Magnum v4 72B is built and operated by Anthracite-org. Pricing, context window, and capabilities on this page are refreshed nightly from Anthracite-org's public catalog.
Can I self-host Magnum v4 72B?
Magnum v4 72B is API-only — its weights are not publicly distributed by Anthracite-org, so it cannot be self-hosted today.