We’ve open sourced the 𝕏 algorithm not because we think it’s smart, but to show it’s MANY flaws! Every week, we try to make it better, not always succeeding, but to be as transparent we are with @CommunityNotes
. Like democracy, it’s the worst algorithm, except for all the
OPEN SOURCE
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X Open Sources Algorithm Showing Flaws and Transparency
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PyPI NPM GitHub Access Restrictions Policy Implementation
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A little bit – they've allowlisted PyPI and NPM and GitHub but blocked access to almost everything else
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Open-Source Wan2.2-S2V: Audio-Controlled Cinematic Video Generation
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1. Open source, cinematic look, audio-controlled: a novelty. Today, I'm testing Wan2.2-S2V—an open-source speech-to-video model that generates cinematic facial expressions and body motion from audio. This feature makes it possible to accurately match audio to motion using open
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SkyPilot: Open Source Framework for Managing AI Workloads
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Run, manage, and scale AI workloads on any infrastructure! SkyPilot is an open source framework that provides a unified, cloud-agnostic control plane for launching, monitoring, and optimizing AI workloads. 100% Open Source.
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Building Compilers Costs 14k USD Across Three Languages
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Re: costs Technically it costs about 5k usd to build your own compiler now because cursed was implemented first in c, then rust, now zig. So yeah, it’s not one compiler it’s three editions of it. For a total of $14k USD. x.com/GeoffreyHuntle…
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Mistral AI closes $2B funding round at $13.7B valuation
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20 months ago, we @a16z led @MistralAI's $500M Series A at $2B Some laughed. Scientists? Serving giant enterprises? Open source AI? From Europe? Good luck! Today: We closed $2B at $13.7B+ led by ASML, and $1.6B+ TCV, deploying RL at scale for critical industries LE WARMUP
→ View original post on X — @arthurmensch, 2025-09-09 05:41 UTC
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Cython Interpreter Optimization Through Memory Management Insights
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In the meantime, I spent a few days looking into memory management and reference counting, which led to many insights about improving and reducing allocations, whole program optimization, language design, and ultimately another rewrite of my Cython interpreter. (Approx 15% faster
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Joy Language: Function Composition for LLM Token Processing
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RQ5: Which specific benefits does Joy bring to LLMs by processing tokens? Let's dig into the juicy bits about the primary "raison d'être" for the project… • Joy stands out as a language because it allows function composition by the sequencing of tokens (called "terms").
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joyfl v0.2 Debug Information Language Update
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joyfl — v0.2 : Debug Information Quality of life improvements on the surface for error handling, minor changes in the language design, one performance improvement. ▶︎ Condition-checking operators are suffixed with ?, ops with side-effects are suffixed with !.
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DSPy Framework: Innovative Concept Needs Improved Usability
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DSPy is an exception here, concept is great, and it does something completely different from these frameworks I’m discussing. It definitely needs to be way more simple to use though!