Grok Voice 2.0 at $0.08 a Minute Makes Voice Agents Cheap to Build

xAI's Grok Voice Think Fast 2.0 dropped to $0.08 a minute and 0.7 seconds to first audio, and it reasons while it talks. Here is what that does to the math on building voice agents.

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Grok Voice 2.0 at $0.08 a Minute Makes Voice Agents Cheap to Build

Content-Visibility: Auto Makes Long Pages Faster, Until It Shifts Everything Below

content-visibility: auto lets the browser skip laying out offscreen content, making long pages load and scroll faster with two lines of CSS. The catch is that it reserves space with a guess, so get contain-intrinsic-size right or you trade slow renders for layout shift.

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Content-Visibility: Auto Makes Long Pages Faster, Until It Shifts Everything Below

TurboVec Fits 10M Vectors in 4 GB and Still Beats FAISS

A Rust vector index built on Google's TurboQuant fits a 10-million-document corpus in 4 GB of RAM and searches 3.4x faster than FAISS at 4-bit. Here is what is real, and the two numbers that make you slow down.

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TurboVec Fits 10M Vectors in 4 GB and Still Beats FAISS

Stop Piping Video Through Canvas: WebCodecs Has Real Codec Control

WebCodecs gives you hardware-accelerated, per-frame control over video and audio codecs in the browser. Here is how the encode/decode loop works, where it beats MediaRecorder, and the gotchas that actually bite.

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Stop Piping Video Through Canvas: WebCodecs Has Real Codec Control

100vh Is a Lie on Mobile, and Three New CSS Units Fix It

If you have ever shipped a full-height hero, a modal, or a one-screen app on a phone, you have hit the 100vh wall. The element looks fine on desktop.

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100vh Is a Lie on Mobile, and Three New CSS Units Fix It

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