Gemini 4 Argon Leads AA-Omniscience with 15% Hallucination Rate

Artificial Analysis's AA-Omniscience benchmark shows Gemini 4 Argon achieving the lowest hallucination rate among leading models at 15%, far below GPT-6 Astra at 51% and Opus 5.5 at 66%.

2026-10-01 ~ 2026-10-02 · 2 related posts

• Hallucination benchmark: Gemini 4 Argon 15% vs GPT-6 Astra 51% and Opus 5.5 66% — brandon_galang · 2026-10-01
• Gemini 4 Argon posts lowest hallucination rate (15%) on AA-Omniscience benchmark — import_jmr · 2026-10-02