GPT-6 Sol Spotted on the OpenAI API, Screenshot Suggests Internal Testing

141_1337 · reddit · 2026-09-11

A Reddit user posted a screenshot claiming a model named "GPT-6 Sol" appeared on the OpenAI API, suggesting OpenAI's next-generation model may already be staged for internal testing. Unconfirmed officially, but consistent with OpenAI's gradual rollout habits.

Related event: GPT-6 Codename 'Sol' Spotted in OpenAI API(2 posts)→

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