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NOV 12, 2026
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Everything in Products

7 pieces · newest first
MAY 16, 2026
Phoenix, and the X algorithm release that doesn't compile
On May 15, X pushed 18,263 lines of Rust and Python to its public algorithm repo, a full rewrite of the 2023 Scala stack around a Grok-based transformer, but the code does not build and the engagement weights are still missing.
38 MIN 11 src
MAY 13, 2026
Speech-to-text in 2026: the five markets, the price war, and the benchmark collapse
xAI ships STT at $0.10/hr, Scribe v2 sits at 2.2% AA-WER and Wispr Flow users say accuracy regressed, so this guide splits speech-to-text into five markets and checks what the benchmarks show.
28 MIN 28 src
MAY 08, 2026
Waymo's 17-year detour was the moat: Dolgov on the foundation model behind 20 million rides
Dmitri Dolgov's AI Ascent 2026 fireside laid out the multimodal world-action-language model, the driver-simulator-critic stack, and why the 13x safety number is the bill that competitors haven't paid yet.
14 MIN 25 src
APR 27, 2026
Inside Polymarket V2: every bot on the internet just broke
Polymarket swapped its trading stack in one hour on April 28, and three days later V1 trades have hit zero while thousands of bot wallets sit silent on V2, which makes the migration look less like an upgrade than a cull.
22 MIN 26 src