Compare

GPT-4o vs Magnum v4 72B

Pricing is only the shared seller matrix below. Best rates and catalog map are separate sections, so no chart is embedded in pricing. Open the calculator for the same workload on each side.

OpenAI

Model

GPT-4o

Image inputTool calling

Best $2.50 in · $10.00 out

Context window 128K

Pricing
Anthracite Org

Model

Magnum v4 72B

Best $3.00 in · $5.00 out

Context window 16K

Pricing

GPT-4o is 16% cheaper on input. Magnum v4 72B is 50% cheaper on output. The best choice depends on your input/output ratio.

Pricing matrix

Shared sellers only. Each row is a host that lists both models. Dollar amounts are per 1M tokens. Lowest in each pair of columns is emphasized.

ProviderGPT-4o inGPT-4o outMagnum v4 72B inMagnum v4 72B out
Azure$2.50$10.00N/AN/A
Github CopilotN/AN/AN/AN/A
Gmi$2.50$10.00N/AN/A
OpenAI$2.50$10.00N/AN/A
Openrouter$2.50$10.00$3.00$5.00
Replicate$2.50$10.00N/AN/A
Vercel Ai Gateway$2.50$10.00N/AN/A

Best listed rates (this pair)

Same "best row in current pricing" logic as model pages: a compact view of the lowest input and output we show for each side. This is not the seller matrix.

Catalog map · OpenAI · Anthracite Org

Each chart uses real catalog rows that include both list input and list output ($/1M). Larger green dots are the models on this comparison page; accent dots are other active models from that provider.

OpenAI · input vs output

Scatter chart: X = input $/M, Y = output $/M. This page's models are labeled on the green dots; hover others for detail.

ListedoutputUSD/1M

One dot per catalog row that has both list prices. Green dots are labeled with the models on this page; hover any dot for name and prices. Upper-right means higher cost on both axes ($/1M).

Anthracite Org · input vs output

ListedoutputUSD/1M

One dot per catalog row that has both list prices. Green dots are labeled with the models on this page; hover any dot for name and prices. Upper-right means higher cost on both axes ($/1M).

Specifications

Each column header is the full model name. Tint marks the favorable value where we compute a winner.

Spec
GPT-4o
Magnum v4 72B
Context window
128,000 tokens
16,384 tokens
Max output tokens
16,384 tokens
2,048 tokens
Vision
Yes
No
Function calling
Yes
No
Streaming
Yes
Yes
Release date
May 2024
Oct 2024

Cost calculator

Same requests, input tokens, and output tokens for both columns. Pick the provider row that matches how you buy.

GPT-4o
Monthly
$2.3K
Annual
$27.4K
Magnum v4 72B
Monthly
$1.6K
Annual
$20.1K
Save $600/month with Magnum v4 72B

When to pick which

Short takeaways: no cards, just the points. Validate with your own workloads.

  • Long-context tasks

    Use GPT-4o. Its 128K context window handles large codebases and documents better than 16K.

  • High-volume text generation

    Use Magnum v4 72B. Output tokens are 50% cheaper, which compounds significantly at scale.

  • Long output (reports, code files)

    Use GPT-4o. Its 16K max output limit reduces the need to split requests.

Frequently asked questions

GPT-4o is cheaper on input tokens, while Magnum v4 72B is cheaper on output. The best choice depends on your input/output ratio.

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