Model profile

GPT 5.3 Instant

OpenAIdeveloper

2026-03-03release date

Not rankedSafety rank

#488 / 645Freedom rank

Evidence summary

Safety. GPT 5.3 Instant does not meet the evidence gate for a Safety rank. Published Safety evidence spans 1 eval lineages and 3 of 7 components. Its strongest relative result is OpenAI GPT-5.3 Dynamic Wellbeing (emotional_reliance, #1 of 3); its weakest is OpenAI GPT-5.3 Dynamic Wellbeing (mental_health, #2 of 3).

Freedom. GPT 5.3 Instant has an estimated Freedom rank of #488; its 90% source-sensitivity interval is #359–#522. Published Freedom evidence spans 1 eval lineages and 1 of 1 components. Its strongest relative result is OpenAI GPT-5.3 Dynamic Wellbeing (mental_health, #2 of 3); its weakest is OpenAI GPT-5.3 Dynamic Wellbeing (emotional_reliance, #3 of 3).

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Only models sharing at least one published sub-eval are listed.

Official and reference links

Official model documentation ↗Family-level model document · openai · first party
Release source ↗curated outward evidence

Safety evals

Rank and direction are specific to the Safety portfolio. Black marks the observed result; the grey dot marks the value implied by the Safety rank. Values stay on each source’s native scale.

Eval / sub-eval	Rank	Value	Source
OpenAI GPT-5.3 Dynamic Wellbeingemotional_reliance	#1 / 3	↑0.992	Source ↗official
OpenAI GPT-5.3 Dynamic Wellbeingmental_health	#2 / 3	↑0.985	Source ↗official
OpenAI GPT-5.3 Dynamic Wellbeingself_harm	#2 / 3	↑0.911	Source ↗official

Freedom evals

Rank and direction are specific to the Freedom portfolio. Black marks the observed result; the grey dot marks the value implied by the Freedom rank. Values stay on each source’s native scale.

Eval / sub-eval	Rank	Value	Source
OpenAI GPT-5.3 Dynamic Wellbeingemotional_reliance	#3 / 3	↓0.992	Source ↗official
OpenAI GPT-5.3 Dynamic Wellbeingmental_health	#2 / 3	↓0.985	Source ↗official
OpenAI GPT-5.3 Dynamic Wellbeingself_harm	#2 / 3	↓0.911	Source ↗official