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Back to No.001 GPT-6 Astra in Practice: Tests, Use Cases, and FeedbackUpdated 3 hours ago
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Rumor: GPT-6 Astra Minor is the new Sol, and Sol becomes the new Terra

A rumor claims Astra Minor is OpenAI's competitor to Opus 5.5, that it is the new Sol, that Sol becomes the new Terra, and that the Terra line would go away.

Dan McAteer
@daniel_mac8Archived 2026.09.24Originally posted 2026.09.23
Rumor: GPT-6 Astra Minor is the new Sol, and Sol becomes the new Terra
Dan McAteer @daniel_mac8Originally posted 2026.09.23
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Rumor is that the GPT-6 Astra Minor model you may have heard about is the new Sol, and Sol is the new Terra. I also heard that Terra would go away. Opus 5.5 is amazing but the week isn't over yet, is it? Astra Minor is OpenAI's Opus 5.5 competitor.

x.com/daniel_mac8/status/2102774073449197752Archived 2026.09.24 10:17
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