Compare · ModelsLive · 2 picked · head to head
Grok 3 Beta vs Grok 4 Fast
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Grok 3 Beta wins on 0/0 benchmarks
Not enough overlapping benchmarks to declare a winner yet · Grok 3 Beta · Grok 4 Fast are still filling in scores.
Hype vs Reality
Attention vs performance
Grok 3 Beta
#19 by perf·no signal
Grok 4 Fast
#96 by perf·#15 by attention
Vendor risk
Who is behind the model
xAI
$250.0B·Tier 1
xAI
$250.0B·Tier 1
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $3.00 | $15.00 | 131K tokens (~66 books) | $60.00 | |
| — | — | — | — |