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AI IntelligenceMay 5, 2026AI Intelligence
Article

OpenAI rolls out GPT-5.5 Instant as the default ChatGPT model.

It produces 52.5% fewer hallucinations on high-risk topics and introduces 'memory sources' so users can see which stored context shapes answers.

Data Cube AI EditorialSource: The Decoder
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Source Brief

OpenAI rolls out GPT-5.5 Instant as the default ChatGPT model. It produces 52.5% fewer hallucinations on high-risk topics and introduces 'memory sources' so users can see which stored context shapes answers.