Compare · ModelsLive · 2 picked · head to head
Grok 4.1 Fast vs GPT-4o Audio
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Grok 4.1 Fast wins on 0/0 benchmarks
Not enough overlapping benchmarks to declare a winner yet · Grok 4.1 Fast · GPT-4o Audio are still filling in scores.
Hype vs Reality
Attention vs performance
Grok 4.1 Fast
no bench·no signal
GPT-4o Audio
no bench·no signal
Vendor risk
Who is behind the model
xAI
$250.0B·Tier 1
OpenAI
$840.0B·Tier 1
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $0.20 | $0.50 | 2.0M tokens (~1,000 books) | $2.75 | |
| $2.50 | $10.00 | 128K tokens (~64 books) | $43.75 |