Side by side

GPT-5.6 vs GPT-5

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

	GPT-5.6 OpenAI	GPT-5 OpenAI
Cost of talking
Per minute	$0.0083Estimate	$0.0083
Per hour	$0.499	$0.499
30-min interview	$0.249	$0.249
List price	$1.25 / $10 per 1MEstimate	$1.25 / $10 per 1MPublished
Recruitment fit
Overall	86/100	78/100
Verdict	The pragmatic hiring default — Terra handles almost every screening and drafting task at a fraction of frontier cost.	Still capable for screening work, but 5.6 does the same job cheaper and faster.
Best for	CV screening at volumeCandidate Q&AInterview note summarisation	Existing pipelines already pinned to GPT-5
Watch out for	Sol is not a substitute for a human on final decisions Public benchmark coverage for this alias is thin	Superseded — no reason to start here on a new build
Capabilities
Modalities	text, audio	text
Context window	400K	400K
Variants	Sol, Terra, Luna	Standard, Mini, Nano
On HumanLike	Coworker, Live Chat	Not yet
HumanLike evals
Default Coworker chat model	LunaOur eval	—
Published benchmarks
MMLU-Pro	TBDEstimate	—

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