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Community: Magnum v4 72B

magnum-v4-72b

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Magnum v4 72B costs $3.44 per million input tokens and $6.89 per million output tokens, supports 16K context, and is available through the OpenAI-compatible API.

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.

Modalities

Text → Text

Input / output price

$3.44 / $6.89 per 1M

Context

16K · max output 8K

Capabilities

RoleplayOpen weights

Pricing

Billed per token actually used and deducted from your credits.

ItemUSD per 1M tokens
Input$3.44
Output$6.89
Cached input$1.72

Calculator

Drag the sliders to estimate what this model will cost.

Per request
$0.0158
Per day
$7.92
Per month (30 days)
$237.70

Magnum v4 72B: input $3.445/M · output $6.89/M · cached input $1.7225/M

Request with these settings
curl https://api.geniusrelaygpt.com/v1/chat/completions \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "magnum-v4-72b", "max_tokens": 800,
       "messages": [{"role": "user", "content": "…"}]}'

Code samples

OpenAI-compatible. Set the base URL to https://api.geniusrelaygpt.com/v1 and the model to magnum-v4-72b.

curl https://api.geniusrelaygpt.com/v1/chat/completions \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "magnum-v4-72b",
    "stream": true,
    "messages": [{"role": "user", "content": "Hello"}]
  }'

Use it in a client: Cursor · Cline · SillyTavern · Codex

Parameters

Common OpenAI parameters can be passed as-is.

temperaturetop_pmax_tokensstreamstoppresence_penaltyfrequency_penaltyseed

FAQ

How is Magnum v4 72B billed?
Input is $3.44 and output is $6.89 per million tokens; cached input is $1.72. The charge for every request is listed in Usage Logs in the console.
How long is the context window?
16K tokens. In a long conversation every turn is billed for the full input, so keep the history under control.
Does it support streaming?
Yes. Add "stream": true to the request to receive server-sent events in the OpenAI format.
Magnum v4 72B API pricing · GeniusRelay