Magnum v4 72B

ANTHRACITE-ORG Developer Architecture Profile

Intelligence (ELO)1300Chatbot Arena Verified

Max Context16,384Tokens

API Cost / 1M$8.00Blended Prompt + Completion

Model Capabilities

Coding & Logic
Fictional

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).

Granular Pricing Matrix

Input Tokens (Prompt)$3.00 / 1M

Output Tokens (Completion)$5.00 / 1M

Pricing data via OpenRouter. Sync: 3/16/2026

Evaluate Competitors

VS Engine MatchupMagnum v4 72B vs Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview)VS Engine MatchupMagnum v4 72B vs Google: Gemini 3.1 Pro Preview Custom Tools VS Engine MatchupMagnum v4 72B vs OpenAI: GPT-5.2-Codex VS Engine MatchupMagnum v4 72B vs Google: Gemini 3 Flash Preview VS Engine MatchupMagnum v4 72B vs OpenAI: GPT-5.2 Pro VS Engine MatchupMagnum v4 72B vs OpenAI: GPT-5.2