In 2026, no single "hallucination rate" exists. Whether you use Vectara’s HHEM...

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In 2026, no single "hallucination rate" exists. Whether you use Vectara’s HHEM or AA-Omniscience depends on your needs. One model might show 5% error while another hits 20%. Given $67.4 billion in annual data losses, choosing the right benchmark is vital