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Boris Cherny

@bcherny • 605,313 subscribers

Claude @anthropicai

Shorts

Sometimes I read on flights, and sometimes…

Sometimes I read on flights, and sometimes…

295,306 views

Sonnet 5.5 fixing a bug with Claude Code. 30% faster and 30% less usage.

Sonnet 5.5 fixing a bug with Claude Code. 30% faster and 30% less usage.

433,935 views

Today we're excited to announce NO_FLICKER mode for Claude Code in the terminal It uses an experimental new renderer that we're excited about. The renderer is early and has tradeoffs, but already we've found that most internal users prefer it over the old renderer. It also supports mouse events (yes, in a terminal). Try it: CLAUDE_CODE_NO_FLICKER=1 claude

Today we're excited to announce NO_FLICKER mode for Claude Code in the terminal It uses an experimental new renderer that we're excited about. The renderer is early and has tradeoffs, but already we've found that most internal users prefer it over the old renderer. It also supports mouse events (yes, in a terminal). Try it: CLAUDE_CODE_NO_FLICKER=1 claude

2,938,558 views

Just landed: /diff is now a persistent pane that you can scroll and click. It updates in real-time. For the times when you want to see the code without having to switch windows. Enjoy!

Just landed: /diff is now a persistent pane that you can scroll and click. It updates in real-time. For the times when you want to see the code without having to switch windows. Enjoy!

281,098 views

We shipped Claude Code as a research preview a year ago today. Developers have used it to build weekend projects, ship production apps, write code at the world's largest companies, and help plan a Mars rover drive. We built it, and you showed us what it was for.

We shipped Claude Code as a research preview a year ago today. Developers have used it to build weekend projects, ship production apps, write code at the world's largest companies, and help plan a Mars rover drive. We built it, and you showed us what it was for.

340,240 views

2. Notifications. Claude Code Desktop now pings you whenever Claude needs approval, you can keep working while Claude runs in the background

2. Notifications. Claude Code Desktop now pings you whenever Claude needs approval, you can keep working while Claude runs in the background

236,445 views

You can now customize your Claude Code keybindings! /keybindings to get started

You can now customize your Claude Code keybindings! /keybindings to get started

157,399 views

Videos

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Don't sleep on Claude Slides. This is how I make slide decks now -- no more googling "iphone frame svg" like the old days Try it:

Don't sleep on Claude Slides. This is how I make slide decks now -- no more googling "iphone frame svg" like the old days Try it:

322,745 views • 1 day ago

I used Opus 5.5 to formally verify the Claude Agent SDK using Lean. A couple short prompts = 16 PRs fixing various bugs and race conditions. Video attached. TLA+ also works well. I sometimes combine Lean and TLA+ to look for issues around data flow, concurrency, and state mgmt. I don't know either language well, but Claude is excellent at both. This approach is super useful for formally modeling your code and finding bugs that a human probably wouldn't have spotted. Is formal verification the future of coding (or at least, bug finding)?

I used Opus 5.5 to formally verify the Claude Agent SDK using Lean. A couple short prompts = 16 PRs fixing various bugs and race conditions. Video attached. TLA+ also works well. I sometimes combine Lean and TLA+ to look for issues around data flow, concurrency, and state mgmt. I don't know either language well, but Claude is excellent at both. This approach is super useful for formally modeling your code and finding bugs that a human probably wouldn't have spotted. Is formal verification the future of coding (or at least, bug finding)?

2,139,777 views • 25 days ago

Fable 5.1 makes Claude Tag even more useful. Here it builds a last-minute leadership deck from a metrics spreadsheet and other data across Slack, spots a vendor report that disagrees with the numbers, and flags it before moving on. Claude Tag is available in Slack on Team and Enterprise plans.

Fable 5.1 makes Claude Tag even more useful. Here it builds a last-minute leadership deck from a metrics spreadsheet and other data across Slack, spots a vendor report that disagrees with the numbers, and flags it before moving on. Claude Tag is available in Slack on Team and Enterprise plans.

162,279 views • 1 month ago

Cowork just organized 6 months of receipts into a categorized spreadsheet with monthly breakdowns. Pointed it at a folder. That’s it.

Cowork just organized 6 months of receipts into a categorized spreadsheet with monthly breakdowns. Pointed it at a folder. That’s it.

529,937 views • 8 months ago

Just shipped two cool updates for Claude Code in the Desktop app. 1. Plan mode is now available on Desktop. Have Claude map out its approach before making any changes

Just shipped two cool updates for Claude Code in the Desktop app. 1. Plan mode is now available on Desktop. Have Claude map out its approach before making any changes

363,279 views • 8 months ago

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