magnum-v4-72b
This is a series of models designed to replicate the prose quality of the Claude 3 models, specifically Sonnet and Opus.
Params
72.7 B
Context
32,768
Downloads 30d
880
Likes
64
Download history
tracking started — chart appears after 7 days of snapshots (6 recorded)880 downloads in the last 30 days
Can you run it?
Estimated VRAM at 8K context unless noted. Pick your hardware to see the verdict per quantization.
| File | Quant | Size | Est. VRAM | Verdict on RTX 4090 · 24 GB |
|---|---|---|---|---|
| model.safetensors | bf16 | 145.4 GB | 171.4 GB | ❌ Won’t fit |
| model.safetensors (bf16, full) | bf16 + 32K ctx | 145.4 GB | 204.1 GB | ❌ Won’t fit |
Estimate: file size × 1.1 + KV cache at 8K + 0.5 GB overhead. Not a benchmark — how we calculate this.
Run it
copy-paste, exact tags checked against the Hub$ curl -s https://aimodelscomparison.com/api/v1/models/magnum-v4-72b
{
"hf_id": "anthracite-org/magnum-v4-72b",
"params_b": 72.71,
"context_length": 32768,
"license": { "id": "apache-2.0", "commercial": "yes" },
"downloads_30d": 880,
"vram_estimates": [
{ "quant": "bf16", "gb": 171.4 }
],
"updated_at": "2026-10-19T06:01:29Z"
}
Use via API
via OpenRouter · USD per 1M tokens · synced 2026-10-24$2.50
input / 1M
$5.00
output / 1M
—
cached input / 1M
$7.50
1M in + 1M out
- Context window
- 32,768 tokens
- Max output
- 4,096 tokens
- Providers
- 1
- Cheapest provider
- Mancer 2 · $2.50 / $5.00
- Best throughput
- —
- AA Intelligence / Coding / Agentic
- — / — / —
✗ Tool calling
✗ Reasoning
✓ Structured outputs
✗ Image input
✗ File input
✗ Audio input
✗ Prompt caching
Specifications
- Architecture
- Qwen2ForCausalLM
- Parameters
- 72.7 B
- Tensor type
- BF16
- Context length
- 32,768
- Vocabulary
- 152,064
- Layers / heads
- 80 / 64
- Licence
- apache-2.0
- First seen on the Hub
- 2024-09-20
- Training datasets
- anthracite-org/c2_logs_32k_llama3_qwen2_v1.2, anthracite-org/kalo-opus-instruct-22k-no-refusal, lodrick-the-lafted/kalo-opus-instruct-3k-filtered, anthracite-org/nopm_claude_writing_fixed, anthracite-org/kalo_opus_misc_240827, anthracite-org/kalo_misc_part2
- Added to our catalog
- 2026-10-20
Compare with any text-generation model