Compare · ModelsLive · 2 picked · head to head
Magnum v4 72B vs Grok 4 Fast
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Grok 4 Fast wins on 0/0 benchmarks
Not enough overlapping benchmarks to declare a winner yet · Magnum v4 72B · Grok 4 Fast are still filling in scores.
Hype vs Reality
Attention vs performance
Magnum v4 72B
#196 by perf·no signal
Grok 4 Fast
#95 by perf·no signal
Best value
Grok 4 Fast
20.6x better value than Magnum v4 72B
Magnum v4 72B
7.0 pts/$
$4.00/M
Grok 4 Fast
144.0 pts/$
$0.35/M
Vendor risk
Who is behind the model
anthracite-org
private · undisclosed
xAI
$250.0B·Tier 1
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $3.00 | $5.00 | 16K tokens (~8 books) | $35.00 | |
| $0.20 | $0.50 | 2.0M tokens (~1,000 books) | $2.75 |