whisper-1 is a model provided by Unassigned
GPT-5 Chat points to the GPT-5 snapshot currently used in ChatGPT. GPT-5 is our next-generation, high-intelligence flagship model. It accepts both text and image inputs, and produces text outputs.
GPT-5 Nano is our fastest, cheapest version of GPT-5. It's great for summarization and classification tasks.
GPT-5 mini is a faster, more cost-efficient version of GPT-5. It's great for well-defined tasks and precise prompts.