GPT-5.5 released on...?

This market will resolve according to the date on which OpenAI's GPT-5.5 model is made available to the general public (ET). GPT-5.5 refers to a product explicitly named GPT-5.5, or a variant that is recognized as a direct successor to GPT-5.4, similar to the progression from GPT-5.1 to GPT-5.2. (e.…