All models
Anthracite Org
Magnum v4 72B balancedruns locally
anthracite-org/magnum-v4-72b
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
$2.50
USD per million tokens
Output / 1M
$5.00
USD per million tokens
Est. cost / token
$0.000003125
$3.13 per 1M, 3:1 mix
Context window
33K
max output 4K
Major features
Open weightsJSON schema
Task suitability (heuristic 1–5, not a benchmark)
- coding4
- reasoning3
- math3
- summarization4
- extraction4
- classification4
- chat4
- creative4
- translation4
- vision1
- long context2
- agentic2
Run it locally
Will it run on my machine? →| Quantization | Quality | Memory needed (8K ctx) |
|---|---|---|
| Q2_K | poor | 35.3 GB |
| Q3_K_M | fair | 40.6 GB |
| Q4_K_Mrecommended | good | 50 GB |
| Q5_K_M | very good | 57.6 GB |
| Q6_K | excellent | 65.9 GB |
| Q8_0 | near-lossless | 84.4 GB |
| F16 | lossless | 156 GB |
Estimates.
Price history
| Recorded | Input | Output | Cached | Source |
|---|---|---|---|---|
| 2026-11-05 03:20 | $2.50 | $5.00 | — | openrouter |
A row is added whenever a sync detects a price change. Vendor pricing source
Pricing (USD per 1M tokens)
- Input
- $2.50
- Output
- $5.00
- Blended (3:1)
- $3.13
Details
- Company
- Anthracite Org
- Version
- 4
- Family
- Magnum
- Released
- 2024-10-22
- Parameters
- 72.7B
- Max output
- 4K
- Open weights
- Yes
- Inputs
- text
- Last synced
- 25 min ago