OpenAI · model
gpt-5.4-cyber deprecation: shutdown date & replacement
Shuts down in 5 days (October 1, 2026)
- Provider
- OpenAI
- Type
- model
- Announced
- Shutdown
- Replacement
gpt-5.6-cyber- Source
- Official OpenAI notice
How to migrate off gpt-5.4-cyber
- Find every place that references it:
grep -rn --exclude-dir={node_modules,.git,dist} "gpt-5.4-cyber" . - Replace the model ID:
- model: "gpt-5.4-cyber" + model: "gpt-5.6-cyber" - Re-run your evals or a sample of real prompts — output style, token usage and pricing can change between models.
- Check config outside code too: environment variables, feature flags, prompt-management tools, and fine-tuned model references.
- Deploy before October 1, 2026, and add the CI scanner so it cannot come back.
Questions
Is gpt-5.4-cyber deprecated?
Yes. OpenAI has deprecated gpt-5.4-cyber. It shuts down on October 1, 2026.
When does gpt-5.4-cyber shut down?
October 1, 2026, according to OpenAI's official deprecation notice.
What should I use instead of gpt-5.4-cyber?
OpenAI recommends gpt-5.6-cyber. Switch the model ID and re-test your prompts, since outputs, pricing and limits can differ.
What happens to requests to gpt-5.4-cyber after the shutdown?
Requests using the retired model ID fail with an error, so any code still calling it breaks. Update and deploy before the shutdown date.