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Gemini 4 Argon shows 15% hallucination rate against GPT-6 Astra's 51%

A leaderboard shows Gemini 4 Argon with a 15% hallucination rate, versus 51% for GPT-6 Astra and 59% for Opus 5.5, even though Argon is not yet publicly available.

BridgeMind
@bridgemindaiArchived 2026.10.02Originally posted 2026.10.01
Gemini 4 Argon shows 15% hallucination rate against GPT-6 Astra's 51%
BridgeMind @bridgemindaiOriginally posted 2026.10.01
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Google has been quiet for months. Now this. Gemini 4 Argon has a 15% hallucination rate. The lowest on the entire board. Opus 5.5: 59%. GPT 6 Astra: 51%. Fable 5.1: 73%. And Gemini 4 Argon is not even publicly available yet. How is this possible?

x.com/bridgemindai/status/2105644999866024239Archived 2026.10.02 10:05