Compare · ModelsLive · 2 picked · head to head
GPT-4o vs Grok 3
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Grok 3 wins on 0/0 benchmarks
Not enough overlapping benchmarks to declare a winner yet · GPT-4o · Grok 3 are still filling in scores.
Hype vs Reality
Attention vs performance
GPT-4o
no bench·#7 by attention
Grok 3
#148 by perf·#9 by attention
Vendor risk
Who is behind the model
OpenAI
$840.0B·Tier 1
xAI
$250.0B·Tier 1
Pricing · per 1M tokens · projected $/mo at 10M tokens