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Prices, specs and price history side by side. Data as of 2026-08-02

GPT-5 Pro×o3×Clear

Spec	GPT-5 ProOpenAI	o3OpenAI
Provider	OpenAI	OpenAI
Context window	400K	200K
Max output	128K	100K
Modalities	image, text, file → text	image, text, file → text
Open source	No	No
License	-	-
Released	-	-
Status	active	active
Input$ / 1M	15	2cheapest
Output$ / 1M	120	8cheapest
Cached$ / 1M	-	0.5
Channel	openrouter	openrouter

Price history

Overlaid price history. Solid = verified by us, dashed = estimated (archive).

GPT-5 Proo3verified by usestimated (archive)

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