OpenAI / AI & LLM

OpenAI gpt-5.4-cyber removed from API shutdown date

The gpt-5.4-cyber model is deprecated and will be removed from the API on October 1, 2026.

R.I.P.killed 17 days ago
Change
Shutdown
Effective
Oct 1, 2026
Replacement
none named; check the source
Source
platform.openai.com
Vendor's words
The gpt-5.4-cyber model is deprecated and will be removed from the API on October 1, 2026. Migrate to the most capable cyber model available to you before the shutdown date.

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