OpenAI Blog · May 5, 2026

GPT-5.5 Instant: smarter, clearer, and more personalized

Reviewed by Errol Vogt, Site support technician & online learning analyst · original summary · editorial policy

GPT-5.5 Instant: smarter, clearer, and more personalized. GPT-5.5 Instant updates ChatGPT’s default model with smarter, more accurate answers, reduced hallucinations, and improved personalization controls. This update is relevant for small-office operators tracking changes in their tools.

Operator takeaway: For operators: review whether 'GPT-5.5 Instant: smarter, clearer, and more personalized' affects your current setup before relying on it in production.

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ChatGPT by OpenAI

ChatGPT is a general-purpose AI assistant for drafting emails, summarizing documents, and answering questions. Small offices use it for first-draft patient communications and routine writing, with human review before sending.

Pricing Freemium — Free tier plus paid individual and business plans; see vendor pricing.

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GPT-5.5 Instant: smarter, clearer, and more personalized

ChatGPT by OpenAI

n8n 1.123.60: security patches and a billing fix