The Short Version #
Reliable primary documentation and independent news reporting confirm that OpenAI released GPT-4 in March 2023. Most sources identify March 14 as the announcement and initial rollout date; reporting dated March 15 reflects publication timing or the continuing rollout, not a substantive contradiction.
source & further reading
isthisbs.org — original article
Google calls for manual fact-checking of AI-generated content before publication.
The NIST Generative AI Profile is voluntary internal guidance and does not measure market demand.
NIST’s Generative AI Profile supports organizational governance of generative AI risks.