OpenAI claims ChatGPT’s new default model hallucinates way less

The Verge
By Jay PetersMay 5, 2026, 1:00 pm154 pts
OpenAI's newest default model for ChatGPT might not make stuff up as much. Hallucinations have been an ongoing problem for AI models, but OpenAI says its new GPT-5.5 Instant model has "significant improvements in factuality across the board." The company claims that, based on "internal evaluations," GPT-5.5…

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