Humanlike AIThe model index

Side by side

GPT-4 vs GPT-4o

Up to 4 models, normalised onto the same cost basis and scored through the lens you pick.

OpenAI logo
GPT-4
OpenAI
OpenAI logo
GPT-4o
OpenAI
Cost of talking
Per minute$0.062$0.016
Per hour$3.75$0.949
30-min interview$1.87$0.474
List price$10 / $30 per 1MPublished$2.5 / $10 per 1MPublished
Recruitment fit
Overall48/10066/100
VerdictHistoric interest only — cheaper current models beat it on both quality and cost.Only worth choosing today for its realtime voice variant; the text tiers are outclassed.
Best for
Nothing new. Migrate existing pipelines.
Live voice screening where latency dominates
Watch out for
  • Costs more than GPT-5.6 while performing worse
  • 128K context is limiting for long interview transcripts
  • Reasoning is well behind current models
Capabilities
Modalitiestexttext, audio
Context window128K128K
VariantsBase (8K), Turbo (128K), 32KStandard, Mini, Realtime
On HumanLikeNot yetNot yet
Published benchmarks
MMLU86.4%Published88.7%Published

Cost per hour assumes 150 wpm and a 40% AI speaking share. Hover a figure for its full derivation.