User suspects OpenAI quietly swapped the model served in ChatGPT

GabGarrett · x · 2026-10-02

User GabGarrett notices the regular ChatGPT interface still behaving like the older model (5.6-era), suspecting OpenAI is silently serving a different/downgraded model—possibly "Terra"—without any announcement.

Related event: Users Question Whether ChatGPT Classic Mode Is Missing Latest GPT Models(2 posts)→

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