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MLStreetTalk says Sonnet 5.5 beats Astra and cancels OpenAI subscription

MLStreetTalk says Sonnet 5.5 is better than Astra and suspects even the delayed Astra 6.1 won't help, so they cancelled their OpenAI subscription and moved to Opus 5.5.

Machine Learning Street Talk

@MLStreetTalkArchived 2026.09.30Originally posted 2026.09.29

MLStreetTalk says Sonnet 5.5 beats Astra and cancels OpenAI subscription (image 1 of 4)

MLStreetTalk says Sonnet 5.5 beats Astra and cancels OpenAI subscription (image 2 of 4)

MLStreetTalk says Sonnet 5.5 beats Astra and cancels OpenAI subscription (image 3 of 4)

MLStreetTalk says Sonnet 5.5 beats Astra and cancels OpenAI subscription (image 4 of 4)

Machine Learning Street Talk @MLStreetTalkOriginally posted 2026.09.29

Open original on X

Back to the drawing board for OpenAI, even Sonnet 5.5 is better than Astra, and I suspect even better than Astra 6.1/vnext which is why they delayed releasing it for "safety" reasons to spare the embarrassment. I've cancelled my OAI subs for now, it's just a waste of money. Using Opus 5.5 since it was released has been a dream come true. It's that good - and we get a tonne of usage on our subs.

x.com/mlstreettalk/status/2104799120267608397Archived 2026.09.30 10:19