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OpenAI introduces GPT-4

OpenAI introduced GPT-4 and began providing text access through ChatGPT Plus and an API waitlist.

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GPT-4 announcement and initial access

openai.com

Vendor announcement used to verify launch timing and availability, not independent performance rankings.

Published: 3/14/2023
Source checked: 9/21/2026

Revision 1 / Reviewed 9/21/2026

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