anthracite · Open weights

Magnum v4 72B

Added Jan 1, 2024Open weights

Upgraded model of Magnum V2 72B. From the creators of Goliath. Aimed at top-tier prose quality, trained on 55 million tokens of curated roleplay data.

PDF input

Input: Text
Output: Text
Discovery tier: Open weights

Pricing

USD per 1M tokens

Input: $2.01
Output: $2.99

Reference prices as published by the model provider. API example

Specifications

Context window: 16.4K
Max output: 8.2K
Average output (7 days): 111 tokens; Longer than 10% of 468 models

Side by side

Magnum v4 72B compared

Specifications, prices, speed and benchmark scores next to each other. Benchmarks below show every compared model too.

Limits
	Magnum v4 72BanthraciteThis model	EVA-LLaMA-3.33-70B-v0.1eva-unit-01Remove
Provider	anthracite	eva-unit-01
Discovery tier	Open weights	Open weights
Added	Jan 1, 2024	Sep 25, 2025
Context window	16.38K	32.77KBest
Max output	8.19K	—
Average output	111 tokens	459 tokens
Pricing, USD per 1M tokens
Input	$2.01	$2.01
Output	$2.99	$2.01Best
Performance
Throughput	—	17.5 tok/s
Time to first token	—	8.6 s
Request success (24h)	99.8%Best	25.5%
Capabilities
PDF input	Yes	No
Reasoning effort	—	—

Public evaluations

Benchmarks

There are no public benchmark results for these models yet.

Live routing data

Performance and reliability

Recent averages across requests routed for this model. Your own speed depends on prompt length, reasoning effort and load.

Prompt cache hits: 0.0%
Request success (24h): 99.8%; Reliable

Cache hits are the share of input tokens recently served from a prompt cache across all requests. They are not a forecast of your own hit rate.

Hourly request success · last 72 hoursLowest hour 95.8%

Healthy (98% or more)
Degraded (90–98%)
Down (under 90%)
No requests

Developers

Use it through the API

Noumen’s API is OpenAI-compatible: any Chat Completions client works with a base URL and a key.

Read the quickstart

curl https://www.noumen.xyz/api/v1/chat/completions \
  -H "Authorization: Bearer $NOUMEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "anthracite-org/magnum-v4-72b",
    "messages": [{ "role": "user", "content": "Explain this stack trace." }]
  }'

import os
from openai import OpenAI

client = OpenAI(base_url="https://www.noumen.xyz/api/v1", api_key=os.environ["NOUMEN_API_KEY"])
reply = client.chat.completions.create(
    model="anthracite-org/magnum-v4-72b",
    messages=[{"role": "user", "content": "Explain this stack trace."}],
)
print(reply.choices[0].message.content)

anthracite

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