No official replacement is published on that page. gpt-5.4-cyber shut down on 2026-10-01 per OpenAI's deprecation page (checked 2026-10-17). Price, context window, and max output were left blank because the official pages we checked did not publish them.
gpt-5.4-cyber model page · OpenAI
A migration diff is not published because the official page did not name a replacement model id.
No official replacement is published on that page. gpt-5.4-cyber shut down on 2026-10-01 per OpenAI's deprecation page (checked 2026-10-17). Price, context window, and max output were left blank because the official pages we checked did not publish them.
Price comparison is not published yet.
Context window sizes are not both published on the official pages we checked.