OpenAI

gpt-6-astra

Made by OpenAI. Released 2026-09-03. Accessibility not recorded. Cheapest standard rate we hold: $50 per million output tokens, at short context.

What it costs

Tier	Kind	In	Out	Cached in	From
batch	text · long	$10	$38	$1	seller
batch	text · short	$5	$25	$0.50	seller
fast	text · long	$40	$150	$4	seller
fast	text · short	$20	$100	$2	seller
flex	text · long	$10	$38	$1	seller
flex	text · short	$5	$25	$0.50	seller
standard	text · long	$20	$75	$2	seller
standard	text · short	$10	$50	$1	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	0.8±0.04	2026-10-15	promax
chess puzzles	Epoch AI	0.7±0.04	2026-10-13	max
ebr bench	Epoch AI	0.8±0.08	2026-08-30	max
frontiermath erdos	Epoch AI	0.0±0.02	2026-08-28	max
frontiermath tier 4 v2	Epoch AI	1.0±0.02	2026-08-30	medium
frontiermath tier 4 v2	Epoch AI	0.8±0.06	2026-08-30	none
frontiermath tier 4 v2	Epoch AI	1.0±0.02	2026-08-30	max
frontiermath tier 4 v2	Epoch AI	1.0±0.02	2026-08-30	xhigh
frontiermath tier 4 v2	Epoch AI	1.0±0.02	2026-08-30	high
frontiermath tier 4 v2	Epoch AI	0.9±0.05	2026-08-30	low
frontiermath tiers 1 3 v2	Epoch AI	0.9±0.01	2026-08-30	max
furniture assembly	Epoch AI	0.8±0.05	2026-09-10	max
gpqa diamond	Epoch AI	1.0±0.01	2026-08-30	max
mirrorcode	Epoch AI	0.6±0.12	2026-10-29	max
mirrorcode	Epoch AI	0.5±0.12	2026-08-30	high
mystery game puzzles	Epoch AI	0.8±0.04	2026-08-30	max
otis mock aime 2024 2025near its ceiling	Epoch AI	1.0±0.00	2026-08-30	max
simpleqa verified	Epoch AI	0.8±0.01	2026-08-30	max
spireclimb	Epoch AI	0.3±0.04	2026-11-04	max
spireclimb sts1 a20 heart	Epoch AI	0.3±0.06	2026-11-04	max
spireclimb sts2 a10	Epoch AI	0.3±0.06	2026-09-22	max
ale bench	collected by Epoch AI	2951	—	max
apex agents	collected by Epoch AI	0.8	—	unknown
arc aginear its ceiling	collected by Epoch AI	1.0	—	xhigh
arc aginear its ceiling	collected by Epoch AI	1.0	—	high
arc aginear its ceiling	collected by Epoch AI	0.9	—	none
arc aginear its ceiling	collected by Epoch AI	1.0	—	low
arc aginear its ceiling	collected by Epoch AI	1.0	—	max
arc aginear its ceiling	collected by Epoch AI	1.0	—	medium
arc agi 2	collected by Epoch AI	0.9	—	medium
arc agi 2	collected by Epoch AI	0.6	—	none
arc agi 2	collected by Epoch AI	0.9	—	max
arc agi 2	collected by Epoch AI	0.9	—	xhigh
arc agi 2	collected by Epoch AI	0.9	—	high
arc agi 2	collected by Epoch AI	0.9	—	low
balrog	collected by Epoch AI	0.7	—	max
blueprint bench 2	collected by Epoch AI	0.5	—	unknown
btf3	collected by Epoch AI	0.1	—	FutureSearch agent
critpt	collected by Epoch AI	0.3	—	medium
critpt	collected by Epoch AI	0.3	—	xhigh
critpt	collected by Epoch AI	0.3	—	low
critpt	collected by Epoch AI	0.3	—	max
critpt	collected by Epoch AI	0.2	—	none
critpt	collected by Epoch AI	0.3	—	high
deepswe	collected by Epoch AI	0.7	—	mini-swe-agent
dtbenchnear its ceiling	collected by Epoch AI	1.0	—	unknown
dtbenchnear its ceiling	collected by Epoch AI	0.9	—	low
dtbenchnear its ceiling	collected by Epoch AI	1.0	—	medium
dtbenchnear its ceiling	collected by Epoch AI	1.0	—	xhigh
dtbenchnear its ceiling	collected by Epoch AI	1.0	—	high
forecastbench	collected by Epoch AI	66.6	—	high
frontiercode	collected by Epoch AI	0.5	—	codex
frontierswe	collected by Epoch AI	0.7	—	proximus
gdp pdf	collected by Epoch AI	0.3	—	max
gso	collected by Epoch AI	0.8	—	OpenHands
hle	collected by Epoch AI	0.5	—	unknown
lmca	collected by Epoch AI	64.1	—	unknown
lmca	collected by Epoch AI	62.2	—	low
lmca	collected by Epoch AI	63.8	—	high
lmca	collected by Epoch AI	64.4	—	xhigh
lmca	collected by Epoch AI	62.9	—	medium
posttrainbench	collected by Epoch AI	0.4	—	Codex CLI
proofbench	collected by Epoch AI	1.0	—	unknown
rli	collected by Epoch AI	0.2	—	unknown
scicode	collected by Epoch AI	0.5	—	medium
scicode	collected by Epoch AI	0.5	—	none
scicode	collected by Epoch AI	0.6	—	max
scicode	collected by Epoch AI	0.6	—	xhigh
scicode	collected by Epoch AI	0.5	—	low
scicode	collected by Epoch AI	0.6	—	high
simplebench	collected by Epoch AI	0.8	—	unknown
simplebench	collected by Epoch AI	0.9	—	promax
vending bench 2	collected by Epoch AI	15515	—	unknown
webdev arena	collected by Epoch AI	1800	—	max
weirdml	collected by Epoch AI	0.9	—	high
weirdml	collected by Epoch AI	0.9	—	max
weirdml	collected by Epoch AI	0.9	—	promax
weirdml v3	collected by Epoch AI	0.4	—	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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