Magnum v4 72B

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).

Context
33K
Max output
4K
Input price
$2.5/1M tokens
Output price
$5/1M tokens

Capabilities

Output Control
Structured Output
JSON Mode

Details

Model IDanthracite-org/magnum-v4-72b
Provider OpenRouter
Creator anthracite-org
Family—
License—
Status—
Type—
Input modalitiestext
Output modalitiestext
Open weight—
Parameters72B
Architecture—
Context window33K tokens
Max input—
Max output4K tokens
Reasoning tokens—
Knowledge cutoff—
Release date
Sourceofficial

Pricing

Input
$2.5
Output
$5
Cache write
—
Cache read
—
Batch in
—
Batch out
—

API

GET/v1/models/openrouter/anthracite-org/magnum-v4-72b

Magnum v4 72B

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).

Changes · 8 entries
anthracite-org/magnum-v4-72bupdateca7a400Nov 2, 2026, 03:02 AM
context_window16384→32768
max_output_tokens2048→4096
pricinginput$3→$2.5
anthracite-org/magnum-v4-72bupdate639b255Sep 1, 2026, 11:11 AM
pricinginput$3→$2.5
anthracite-org/magnum-v4-72bupdatebe35184Aug 17, 2026, 04:02 AM
context_window16384→32768
max_output_tokens2048→4096
anthracite-org/magnum-v4-72bupdatebf78dcfJul 25, 2026, 05:49 AM
context_window32768→16384
anthracite-org/magnum-v4-72bupdate73d11c6May 18, 2026, 03:39 AM
context_window16384→32768
anthracite-org/magnum-v4-72bupdate1cd659eMar 24, 2026, 04:19 AM
capabilitiesjson modeyes
anthracite-org/magnum-v4-72bupdate2b100acMar 23, 2026, 05:30 AM
parameters72
release_date2024-10-22
taglineThis is a series of models designed to replicate the pros...
anthracite-org/magnum-v4-72bcreate7f5c66fMar 21, 2026, 05:16 AM