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GPT-5.3 Instant

OpenAI | In Edition 24,

The call on this one

DEPLOYif you use ChatGPT daily

SOURCE OpenAI, GPT-5.3 Instant: Smoother, more useful everyday conversations

GPT-5.3 Instant is released as an update to ChatGPT's most-used model, reducing unnecessary refusals and improving web answer synthesis.

Added to The Deploy Log , updated . Read Edition 24, the edition that carried it.

66 rows from OpenAI in The Deploy Log are dated on or before this one, this one included.

The same day from OpenAI: ChatGPT for Excel (0 days apart). After it: Prompt injection defenses, 4 days later.

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