GPT 5.3 Family - Related AI Models | Phaseo

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GPT 5.3 Family - Related AI Models | Phaseo

GPT 5.3

GPT 5.3

GPT 5.3 family

openai/gpt-5.3

3 models

Family members

Explore related models within this family.

openai/gpt-5.3-chat

Deprecated

OpenAI

OpenAI

Release date: 2026-03-03

openai/gpt-5.3-codex

Available

OpenAI

OpenAI

Release date: 2026-02-05

GPT 5.3 Codex Spark

openai/gpt-5.3-codex-spark

Available

OpenAI

OpenAI

Release date: 2026-02-12