OpenAI

gpt-6-luna

Made by OpenAI. Released 2026-09-22. Accessibility not recorded. Cheapest standard rate we hold: $0.50 per million output tokens, at short context.

What it costs

Tier	Kind	In	Out	Cached in	From
batch	text · long	$0.10	$0.38	$0.01	seller
batch	text · short	$0.05	$0.25	$0.01	seller
fast	text · long	$0.40	$1.50	$0.04	seller
fast	text · short	$0.20	$1	$0.02	seller
flex	text · long	$0.10	$0.38	$0.01	seller
flex	text · short	$0.05	$0.25	$0.01	seller
standard	text · long	$0.20	$0.75	$0.02	seller
standard	text · short	$0.10	$0.50	$0.01	seller

per million tokens, US dollars. * marks a rate from a single registry or two that disagree — the best available number rather than a confirmed one. Every other row is confirmed against a seller or a licensed index.

What it scores, by house

Benchmark	House	Score	Evaluated	Scaffold
chess puzzles	Epoch AI	0.4±0.05	2026-10-13	max
frontiermath tier 4 v2	Epoch AI	0.6±0.08	2026-09-22	max
frontiermath tiers 1 3 v2	Epoch AI	0.8±0.02	2026-09-22	max
furniture assembly	Epoch AI	0.4±0.06	2026-09-28	max
gpqa diamond	Epoch AI	0.9±0.02	2026-09-22	max
mirrorcode	Epoch AI	0.3±0.09	2026-10-21	max
mystery game puzzles	Epoch AI	0.1±0.03	2026-09-22	max
otis mock aime 2024 2025near its ceiling	Epoch AI	1.0±0.01	2026-09-22	max
simpleqa verified	Epoch AI	0.4±0.02	2026-09-22	max
spireclimb	Epoch AI	0.0±0.00	2026-11-05	max
spireclimb sts1 a20 heart	Epoch AI	0.0±0.00	2026-11-05	max
spireclimb sts2 a10	Epoch AI	0.0±0.00	2026-09-28	max
ale bench	collected by Epoch AI	1577	—	xhigh
apex agents	collected by Epoch AI	0.6	—	max
arc aginear its ceiling	collected by Epoch AI	0.7	—	high
arc aginear its ceiling	collected by Epoch AI	0.1	—	none
arc aginear its ceiling	collected by Epoch AI	0.7	—	xhigh
arc aginear its ceiling	collected by Epoch AI	0.9	—	max
arc aginear its ceiling	collected by Epoch AI	0.6	—	medium
arc aginear its ceiling	collected by Epoch AI	0.4	—	low
arc agi 2	collected by Epoch AI	0.0	—	low
arc agi 2	collected by Epoch AI	0.4	—	xhigh
arc agi 2	collected by Epoch AI	0.3	—	high
arc agi 2	collected by Epoch AI	0.2	—	medium
arc agi 2	collected by Epoch AI	0.0	—	none
arc agi 2	collected by Epoch AI	0.6	—	max
blueprint bench 2	collected by Epoch AI	0.3	—	unknown
critpt	collected by Epoch AI	0.2	—	xhigh
critpt	collected by Epoch AI	0.0	—	none
critpt	collected by Epoch AI	0.0	—	low
critpt	collected by Epoch AI	0.2	—	high
critpt	collected by Epoch AI	0.1	—	medium
critpt	collected by Epoch AI	0.2	—	max
dtbenchnear its ceiling	collected by Epoch AI	0.9	—	max
frontiercode	collected by Epoch AI	0.4	—	codex
gdp pdf	collected by Epoch AI	0.2	—	max
lmca	collected by Epoch AI	44.5	—	max
proofbench	collected by Epoch AI	0.6	—	unknown
scicode	collected by Epoch AI	0.5	—	medium
scicode	collected by Epoch AI	0.5	—	high
scicode	collected by Epoch AI	0.4	—	none
scicode	collected by Epoch AI	0.5	—	max
scicode	collected by Epoch AI	0.5	—	xhigh
scicode	collected by Epoch AI	0.5	—	low
webdev arena	collected by Epoch AI	1582	—	max
weirdml v3	collected by Epoch AI	0.1	—	codex_cli

These scores are not comparable between houses and are not added up. A score is dated by when it was evaluated, not when the model was released, and a score without its scaffold is not a measurement — which is why both are printed.

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