OpenAI models
Every OpenAI model we cover on PromptFrenzy — what each one is, when it shipped, what it costs, and real, unedited generations it produced.
GPT-5
Previous flagshipGPT-5
OpenAI’s mainline reasoning model and the successor to GPT-4. Still real, still strong — now one tier below GPT-5.5.
GPT-5.5
Current flagshipGPT-5
OpenAI’s newest mainline flagship — the most elaborate reasoner in our lineup, and the slowest.
GPT-5.5 Pro
Generally availableGPT-5
OpenAI’s maximum-effort GPT-5.5 variant for the hardest reasoning — powerful, but with uncapped reasoning spend.
GPT-5 mini
Generally availableGPT-5
The compact, fast, low-cost member of the GPT-5 family. Punches above its price.