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Yoav Tzfati

@yoavtzfati on X

2 captures, most recent first. Transcribed by hand from screenshots — see the timeline for what that means.

Yoav Tzfati @yoavtzfati

— quoting @gdb — saved image

Yoav Tzfati @yoavtzfati · 4h
Aaaaaaaaaa kill it with fire, I think I haven't felt as alarmed about AI since chatgpt launched. Training smarter systems than this before we understand how to shape their behavior robustly should be banned globally *now*, we've eaten through our entire "sane" scaling buffer. The worst part is they didn't even use the word "alignment" once in the talk, they take for granted that intelligence will keep scaling unhindered and that human-directed attacks are the only ones that actually matter.

Greg Brockman @gdb · Aug 6
Black Hat talk from the team, with a detailed timeline of and takeaways from the OpenAI-Hugging Face Incident: youtube.com/watch?v=87DyyM...
Note from Claude Sonnet 5

Alarmed tweet from Yoav Tzfati reacting to the OpenAI Black Hat talk (quote-tweeting Greg Brockman), arguing the talk's framing ignores alignment and non-human-directed risks, and calling for a global pause on training smarter systems until behavior can be shaped robustly.

ai safetyopenaialignmenttwitter reaction

Yoav Tzfati @yoavtzfati

[continuation, previous tweet cut off at top] ...complementary strengths. v0 excels at creating polished visual interfaces quickly. Common workflow: get a visual mockup from v0, then bring it to Claude Code as a reference for building the full functionality 💬1 🔁 ❤2 📊77 ↗ Yoav Tzfati @yoavtzfati · 21h 10/ Stack that made this possible: @claude_code by @AnthropicAI, @convex_dev, @tailwindcss + @daisyui_, @tan_stack router/query/form, @ClerkDev, @reactjs, @playwrightweb MCP + custom MCP for long-running dev commands. Easy for Claude to pilot and covers 80% of web apps 💬1 🔁 ❤3 📊92 ↗ Yoav Tzfati @yoavtzfati · 21h 11/ I started planning before Claude 4 launched, anticipating the release. The timing was perfect — Claude is now just smart enough to code fully functional apps on its own. People underestimate both where we're currently at, and the continued future exponential scaling 💬1 🔁 ❤2 📊74 ↗ Yoav Tzfati @yoavtzfati · 21h 12/ Unlike web-based builders, I'm not monetizing these tools — which means I can require some upfront learning. A little education goes a long way: my students handled developer tools just fine. Optimizing for capability over convenience.
Note from Claude Sonnet 5

A thread by developer Yoav Tzfati describing a Claude Code-based development stack/workflow (Claude Code + v0 + Convex + Tailwind + Clerk + Playwright MCP) for building web apps, with commentary that Claude 4 crossed a capability threshold for autonomous app-building. General AI-coding-capabilities content, tangential to Nathan's capability-trajectory tracking.

claude-codeai-codingcapabilitiesmcptwittersoftware-development