Gemini 4 Argon reportedly hits 15% hallucination rate, with 1M-token outputs

Successful_Row_3209 · reddit · 2026-10-01

A Reddit post shares what appears to be an Artificial Analysis leaderboard screenshot claiming Gemini 4 Argon achieves a 15% hallucination rate — the lowest seen — a major leap over Gemini 3.8, which could explain its ability to emit 1 million output tokens in a single response.

Note: this is unverified third-party speculation; Google has not officially announced Gemini 4.

Related event: Gemini 4 Argon hits 15% hallucination rate, far below GPT-6 models(2 posts)→

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