Model9h ago
OpenAI Updates GPT-5.5 Instant, Retires Older Models
OpenAI updated GPT-5.5 Instant to produce more natural responses and removed the Canvas feature. Writing and coding tasks now run directly within the chat interface. The company will also retire o3 and GPT-4.5 by August 2026. These incremental changes streamline the model lineup while simplifying the user experience for developers.