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Anthracite Org: Magnum v4 72B

Open-weight instruction model for adaptable chat and self-hosted production workloads

Source-linked Open weights Released 2024-10-22
API record Report
InputT
OutputT
Input price$2.006/M
Output price$2.992/M
Context32.768K
Max output4.096K
Providers4
Inference availability

Providers

Provider-specific identifiers, limits, and listed prices per million tokens. Every row links back to the provider's own documentation.

Report a price
Providers offering Magnum v4 72B
ProviderProvider model IDContextMax outputInputOutputCache readCapabilitiesDocs
NanoGPT anthracite-org/magnum-v4-72b 16.384K 8.192K $2.006 $2.992 $1.003 Not listed Docs ↗
Kilo Gateway anthracite-org/magnum-v4-72b 32.768K 4.096K $2.5 $5 — JSON Docs ↗
OpenRouter anthracite-org/magnum-v4-72b 32.768K 4.096K $2.5 $5 — JSON Docs ↗
AI/ML API anthracite-org/magnum-v4-72b 32K 16.384K $3.174 $5.29 — JSON Docs ↗

Capability badges appear only where the provider catalog explicitly lists support. A blank cell means the source is silent, not that the feature is absent.

Listed rates

Price across providers

Input price per million tokens as published by each provider. Bars are drawn from listed rates only — no traffic weighting, since the catalog observes no requests.

Lowest input $2.006/M

Across 4 priced providers

Median input $2.5/M

Midpoint of listed rates

Highest input $3.174/M

1.6× the lowest listed rate

Output range $2.992 – $5.29

Per million output tokens

NanoGPT $2.006/MLowest
Kilo Gateway $2.5/M
OpenRouter $2.5/M
AI/ML API $3.174/M
Cost calculator

Estimate a workload

$0.00
Excludes taxes, non-token charges, and tiered discounts.

Context limits also differ by provider, from 16.384K to 32.768K tokens. Compare the provider table above before choosing on price alone.

Specification

Capabilities

Recorded from the source catalog and provider listings.

× Reasoning No
× Tool calling No
✓ Structured output Yes
× Attachments No
× Vision input No
✓ Open weights Yes
Model family
Not documented
Knowledge cutoff
2024-06-30
License
Not documented
Release date
2024-10-22
Model ID
anthracite-org/magnum-v4-72b
Published evaluations

Benchmarks

Every result stays attached to its source, version, metric and harness. Scores from different versions are never merged, and the profile below plots each benchmark against its own population rather than on a shared scale.

Benchmark registry
No published benchmark results

ModelBench does not infer quality from price, context size, or model name. When a source publishes a comparable result, it appears here with its version and link.

Read the methodology
Catalog activity

Change log

Field-level changes detected between successful source imports.

Full change log
Price Completion5.0 → 2.992
Price Prompt2.5 → 2.006
Price Completion2.992 → 5.0
Price Prompt2.006 → 2.5
Price Completion5.0 → 2.992
Price Prompt2.5 → 2.006
Price Completion2.992 → 5.0
Price Prompt2.006 → 2.5
Price Completion5.0 → 2.992
Price Prompt2.5 → 2.006
Public API

Use this record

Fetch the complete source-linked model record. No key, no account, no rate-limited tier.

API documentation
Endpoint
GET https://modelbench.lol/api/v1/models/anthracite-org/magnum-v4-72b
curl
curl "https://modelbench.lol/api/v1/models/anthracite-org/magnum-v4-72b"
Common questions

Frequently asked questions

Answered directly from the stored record — nothing here is generated beyond the catalog's own fields.

What is Magnum v4 72B?

Open-weight instruction model for adaptable chat and self-hosted production workloads. It is published by Anthracite Org and catalogued here from Models.dev.

How much does Magnum v4 72B cost?

Listed input pricing starts at $2.006 per million tokens from NanoGPT, rising to $3.174 across 4 listed providers.

What is the context length of Magnum v4 72B?

Magnum v4 72B accepts up to 32.768K tokens of context and returns up to 4.096K output tokens.

Does Magnum v4 72B support tool calling and structured output?

Provider catalogs list support for structured output.

Which providers serve Magnum v4 72B?

4 providers list this model: NanoGPT, Kilo Gateway, OpenRouter, AI/ML API.

Are the weights for Magnum v4 72B open?

Yes. The weights are published.

When was Magnum v4 72B released?

The catalog records a release date of 2024-10-22, last verified Oct 24, 2026.