"It's a thoughtful and proactive model that comes close to the frontier intelligence"
Introducing Claude Opus 5.

It's a thoughtful and proactive model that comes close to the frontier intelligence of Fable 5 at half the price.
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Replying to @ngrushkovsky
This was after asking it to remove contradictory information from a 100-line README.md file in an 11% context window
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I've spent too much time tweaking the frontend for @SenjaHQ.

Before this week, we had lots of components that looked similar but were all hand-tuned one-offs. So I made a skill for an agent that ran with a /goal overnight to consolidate them, starting with the simplest ones. gn system page and a folder of before/after screenshots made via Chrome DevTools MCP.

Now I want to write a skill for everything.
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Nikolai retweeted
I love when something creative comes out of a daily ritual ☺️ thanks @ngrushkovsky and @helloitsolly
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Last week we shipped manual invites at @SenjaHQ. This week: automatic ones.

Connect Stripe, set your rules, and we schedule the testimonial invites for you. ✨

#buildinpublic
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The perfect first post doesn't exist
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