AllianceBernstein: fine-tuning shrinks GenAI ‘hallucinations’

Asset manager says its tweaks have improved accuracy of LLM models

Blurred AI

AllianceBernstein, the investment firm with $646 billion of assets under management, says it has boosted the accuracy of its generative artificial intelligence models to 95% – far outstripping the 60–70% achievable by ChatGPT.

In the year since OpenAI launched ChatGPT, AB has been tinkering with the generative AI models it uses to reduce the risk of ‘hallucinations’, where the underlying technology creates outputs that are nonsensical or flat-out wrong.

Andrew Chin, AB’s chief risk officer and

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