Is OpenAI GPT-5.3 Chat (latest) deprecated?
Retired
No longer available. OpenAI shut GPT-5.3 Chat (latest) down on 2026-08-10 — calls to it fail.
Lifecycle dates
- Status
- Retired
- Deprecation announced
- Shutdown date
Pricing & context
- Input
- — / M tokens
- Output
- — / M tokens
- Context window
- —
Sources
- developers.openai.com https://developers.openai.com/api/docs/deprecations
Verified against the source on . Dataset snapshot . Providers can change a date without notice — the link above is always the final word.
Common questions
- Is GPT-5.3 Chat (latest) deprecated?
- No longer available. OpenAI shut GPT-5.3 Chat (latest) down on 2026-08-10 — calls to it fail.
- When does GPT-5.3 Chat (latest) shut down?
- OpenAI has announced 2026-08-10 as the shutdown date for GPT-5.3 Chat (latest).
- What does GPT-5.3 Chat (latest) cost?
- No public price is listed for GPT-5.3 Chat (latest) in our dataset.
- What can I use instead of GPT-5.3 Chat (latest)?
- Active alternatives from OpenAI include GPT-5.6 Luna, GPT-5.4 nano, GPT-5.4 mini.