Dev says Gemini 4 is 'outright unusable' for real code work due to hallucinations

gnukeith · x · 2026-10-15

Developer gnukeith (21k followers) replies to @theo that Gemini 4 (Argon) is "outright unusable for real code work" in his codebases, aggressively hallucinating about how systems work, adding it's fascinating how bad Google is at AI despite its data advantage. First-hand negative hands-on feedback on the model's coding ability.

Related event: Gemini 4 Scores 3.95 in Blind Coding Audit, Developers Report Heavy Hallucinations(2 posts)→

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