Magnum v4 72B
Anthracite Org · Mid
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).
Input / 1M
$3.00
Output / 1M
$5.00
Cached input / 1M
—
Context window
16K
Where it sits
229th-cheapest mid model
by blended $/Mtok among 262 listed mid models
513% above the mid median
blended $/Mtok across 262 mid models
Output costs 1.7× input
$3.00 in / $5.00 out per 1M
Held flat since launch (Jun 2026)
no blended price change recorded
Computed live from current prices and this model's history — not hand-written, so it stays accurate as prices move.
Price history
Only one price on record so far — the history chart appears once a price changes.
Snapshots
| Effective | Input | Output | Cached in | Note | Source |
|---|---|---|---|---|---|
| 11 Jun 2026 | $3.00 | $5.00 | — | Imported from OpenRouter | openrouter.ai |