OpenAI's updated GPT-5.5 Instant is better at shopping, complex constraints, and understanding user intent — and it's already in the API

OpenAI is moving away from models that require heavy hand-holding and toward systems that can better infer the user’s goal, ...
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create-a-content-modifier-to-add-a-header-603ab8b.md

This field will contain a product identifier that we want to use to filter the results from the WebShop application. To make this number available to the integration framework during message ...