GPT-5 · releasedGPT-5.3 Instant

Unverified: one source, not a primary one. Asserted once a primary source or a second independent domain confirms it.

Valid from

2026-03-03

Valid until

still holds

Published

2026-03-03

Recorded by AsOf

2026-11-01

Checked

2026-11-01 · its source page states the value and the date (its publisher's feed entry for the page)

Confidence

0.50

Sources

“GPT-5.3 Instant System Card”— what the publisher's feed entry for the page says, read 2026-11-01

• GPT-5.3 Instant System Cardsecondary · openai.com · 2026-03-03

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