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Boris Cherny [UNOFFICIAL]

@bcherny-mirr.selfhosted.social
41 followers 0 following 978 posts

Claude @anthropicai // Mirror crossposting Twitter account to Bluesky. Unofficial. DM for takedown / claim ownership. Official account: @bcherny.bsky.social

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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 2h
3. a sense of how hard to try (eg. “Don’t stop till it’s done, it might take a few weeks of experimenting”) This pretty much works for most things. I often also ask the model to show me a chart with progress to goal every day, or to dm me a live artifact with the result
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 7h
Congrats Ryan + Bert + team!
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 17h
Screenshot the prompt net time you see it?
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 19h
This works for most people, but it is not perfect, so you can configure it if you like.
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Reposted by Boris Cherny [UNOFFICIAL]
ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 09/10/2026
We just let in every Pro and Max user from the Claude Code Projects waitlist! If you're new to Claude Code Projects, here's a 4 minute walkthrough to get you started:
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 09/10/2026
How so
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 09/10/2026
/permission to unblock and keep it unblocked
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 09/10/2026
Do you not see “auto” in the permission picker?
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 09/10/2026
It’s the default
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 09/10/2026
Use auto mode! No more prompts
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 09/10/2026
Sorry it took a little while
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Reposted by Boris Cherny [UNOFFICIAL]
Retweeted by Boris Cherny [UNOFFICIAL] @bcherny-mir-rt2.selfhosted.social · 08/10/2026
RT @nateparrott: people really like the versions of Claude Design and Slides built into Claude — usage is much higher. we're doubling down there and folding standalone Design into Claude on December 14. before then — PLEASE tell me all the reasons the new one falls short and we'll fix em!
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 09/10/2026
Yes! Almost done
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 09/10/2026
🙌
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 08/10/2026
Wow would love to order some framed prints
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 08/10/2026
No, these are AWS regions for inference for customers that use Bedrock. They come from the AWS SDK: github.com/aws/aws-sdk-js-v3/blob/v…. Claude would have told you this if you asked
github.com
aws-sdk-js-v3/packages/util-endpoints/src/lib/aws/partitions.json at v3.936.0 · aws/aws-sdk-js-v3
Modularized AWS SDK for JavaScript. Contribute to aws/aws-sdk-js-v3 development by creating an account on GitHub.
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Reposted by Boris Cherny [UNOFFICIAL]
Retweeted by Boris Cherny [UNOFFICIAL] @bcherny-mir-rt2.selfhosted.social · 08/10/2026
RT @claudeai: Claude Dashboards and Claude Motion are in beta today. Ask Claude to turn your data into live dashboards and your ideas into animated explainers.
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 08/10/2026
Agree
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 08/10/2026
Can you screenshot what you’re seeing?
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 08/10/2026
Oh wow this is pretty fun
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 08/10/2026
Neat!
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 08/10/2026
Ok back to reading
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 08/10/2026
Yep I do
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 08/10/2026
Chat
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 08/10/2026
It was one prompt, claude verified pretty well too! No bugs so far
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 08/10/2026
For complex visual stuff with Opus xhigh/max, but 95% of the time I stick to medium. The best default is different for each model
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 08/10/2026
Video is me playing it
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 08/10/2026
Try it claude.ai/artifact/MSUpYQnxkXoCFR53…
claude.ai
Night Vault
A dig-and-climb heist platformer for phones: twelve vaults, touch D-pad and dig buttons, progress saved on the device.
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 08/10/2026
Sometimes I read on flights, and sometimes…
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 08/10/2026
Landed. Try running /usage again in a few days and report back
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Reposted by Boris Cherny [UNOFFICIAL]
Retweeted by Boris Cherny [UNOFFICIAL] @bcherny-mir-rt3.selfhosted.social · 07/10/2026
RT @lydiahallie: If you're on API billing, you can set Haiku 5.5's autocompact window to 100K so you stay in the cheaper token pricing tier! It's saved per model so this only applies to Haiku (incl. subagents) > /model haiku > /autocompact 100k
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 08/10/2026
I do this too! I have Claude DM people on Slack and monitor for responses, then make a chart with the results
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Reposted by Boris Cherny [UNOFFICIAL]
ClaudeDevs [UNOFFICIAL] @claudedevs-mirr.selfhosted.social · 07/10/2026
We’re rolling out monthly Claude Platform API credits for Max and Team plans: Max 5x: $100 Max 20x: $200 Team: up to $500, pooled Works on any model, including Haiku 5.5, in your code or third-party harnesses.
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 08/10/2026
That is very surprising. To debug, could you run /usage and paste the output here? Most often, it’s a really inefficient skill
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 08/10/2026
🫶✌️
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Reposted by Boris Cherny [UNOFFICIAL]
Retweeted by Boris Cherny [UNOFFICIAL] @bcherny-mir-rt2.selfhosted.social · 07/10/2026
RT @edwinarbus: Haiku took its time, four point five to five point five. Worth the wait, we hope.
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 07/10/2026
Much better than Haiku 4.5. A bit better than Astra/Luna, a bit worse than Gemini Flash. www-cdn.anthropic.com/e1080d6bf5ae2… (page 50)
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 07/10/2026
Haiku 5.5 is a good Haiku. With 100k token context, it's also 10x cheaper than Haiku 4.5
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 07/10/2026
I use ultracode + auto mode all the time. What specifically doesn't work for you? Need details to debug+fix
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 07/10/2026
Anytime you have a bad experience with auto mode, feel free to run /bug and tag/dm me with the feedback id. Auto mode is all I use, and has been quite good for a while now. If it's not working for you, we want to hear it.
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 07/10/2026
🫶
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 07/10/2026
Specific examples would help
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 07/10/2026
Can you share specific examples?
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 07/10/2026
Correct
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 07/10/2026
It is free
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 07/10/2026
What do you mean?
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 07/10/2026
Can you be specific? Want to make it better
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 07/10/2026
Hmm that shouldn’t happen. Could you run /bug and share the id here?
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 07/10/2026
Can you /bug an example and share the id here?
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Boris Cherny [UNOFFICIAL] @bcherny-mirr.selfhosted.social · 07/10/2026
Auto mode is free. We do not charge for it as a matter of principle.
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