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GPT-6.1 Sol Pro

OpenAI · gpt-6-1-sol-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
2026-09-29
Knowledge cutoff
—
Retires
—
Open weights
no
Input
pdf, image, text
Output
text

Price

US dollars per million tokens · most-agreed

Input
$2.00
Output
$10.00
Cache read
$0.10
Cache write
$2.50

Available from 3 hosts

HostIn $/MOut $/MCache rdCache wrContextOutputRetires
kilo$2.00$10.00$0.10$2.501.1M128K—
nano-gpt$2.00$10.00$0.10$2.501.1M128K—
openrouter$2.00$10.00$0.10$2.501.1M128K—

Price history

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

DateHostField$/M
2026-09-30openrouterCache read$0.10
2026-10-10openrouterCache read$0.10
2026-09-30openrouterCache write$2.50
2026-10-10openrouterCache write$2.50
2026-09-30openrouterInput$2.00
2026-10-10openrouterInput$2.00
2026-09-30openrouterOutput$10.00
2026-10-10openrouterOutput$10.00

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