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GPT-6 Luna Pro

OpenAI · gpt-6-luna-pro

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Frontier GPT model for professional reasoning, coding, and multimodal work

Specification

most-agreed values

Context
1.1M
Max output
128K
Released
2026-09-22
Knowledge cutoff
—
Retires
—
Open weights
no
Input
pdf, image, text
Output
text

Price

US dollars per million tokens · most-agreed

Input
$0.10
Output
$0.50
Cache read
$0.01
Cache write
$0.125

Available from 3 hosts

HostIn $/MOut $/MCache rdCache wrContextOutputRetires
kilo$0.10$0.50$0.01$0.1251.1M128K—
nano-gpt$0.10$0.50$0.01$0.1251.1M128K—
openrouter$0.10$0.50$0.01$0.1251.1M128K—

Price history

append-only observations · a listing writes a row only when its price moves

DateHostField$/M
2026-09-23nano-gptCache read$0.005
2026-09-24nano-gptCache read$0.01
2026-09-23openrouterCache read$0.01
2026-10-10openrouterCache read$0.01
2026-09-23nano-gptCache write$0.0625
2026-09-24nano-gptCache write$0.125
2026-09-23openrouterCache write$0.125
2026-10-10openrouterCache write$0.125
2026-09-23nano-gptInput$0.05
2026-09-24nano-gptInput$0.10
2026-09-23openrouterInput$0.10
2026-10-10openrouterInput$0.10
2026-09-23nano-gptOutput$0.25
2026-09-24nano-gptOutput$0.50
2026-09-23openrouterOutput$0.50
2026-10-10openrouterOutput$0.50

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