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What people in AI, tech and science are talking about today.

29 October 2026 · Top 10

Ranked by how fast each item is picking up attention on X, Hacker News, GitHub and Hugging Face, with a short note on why it matters.

  1. Google launches Gemini 4 Carbon, now #1 on Artificial Analysis

    Google DeepMind calls Gemini 4 Carbon its next frontier model, state-of-the-art on cybersecurity and long-horizon tasks. Artificial Analysis ranks it #1 on its Intelligence Index v5 (score 59) and second only to Claude Opus 5.5 on its Coding Agent Index, and the launch drew 886 points and 731 comments on Hacker News.

    Source: X · @GoogleDeepMind · @swyx · @ArtificialAnlys · @GoogleAI · acosstaLink · Post on X · LinkedIn ·
    ▲▲ +1,277 eng/h12,598 likes · 1,202 reposts
    LLMs

  2. Claude Code spends up to a fifth of tokens on agent status lines, one user finds

    A write-up shows Claude Code sends each background agent's full transcript to its model about every 30 seconds just to write a 3-5 word status line. The author measured it at about 16% of their Claude Code spend and shares an unofficial hook to turn it off; it reached 259 points on Hacker News.

    Source: Hacker News · discussionLink · Post on X · LinkedIn ·
    ▲▲ +84 pts/h264 points · 81 comments
    AI & Agents

  3. ChatGPT Pro and Business users can claim up to $500 a month in API credits

    OpenAI says eligible ChatGPT Pro and Business subscribers can now claim up to $500 a month in API credits to build apps and agents. It blurs the line between a chat subscription and a developer budget.

    Source: X · @OpenAIDevsLink · Post on X · LinkedIn ·
    ▲▲ +1,430 eng/h6,387 likes · 542 reposts
    AI & Agents

  4. thdxr teases a proper cross-platform release of hex

    thdxr says hex is getting a proper release that works across all operating systems, showing it running on Linux. It drew nearly 700 likes in five hours.

    Source: X · @thdxrLink · Post on X · LinkedIn ·
    ▲ +159 eng/h684 likes · 7 reposts
    Dev Tools

  5. Vercel launches Vercel CI, built for agent-driven coding

    Vercel CI skips unchanged work with Turborepo, claims 2-6x faster CI in Vercel's own repos, and is set up for agents through the Vercel MCP and CLI. It's in beta on all plans, and Guillermo Rauch pitches it as a fix for the AI coding bottleneck.

    Source: X · @vercel · @rauchgLink · Post on X · LinkedIn ·
    ▲ +148 eng/h1,091 likes · 63 reposts
    AI & Agents

  6. Qwenputer compiles a working RISC-V CPU into Qwen 3.5's weights

    Divyansh Agrawal built a 32-bit RISC-V CPU into a stock Qwen 3.5 4B, using its Gated DeltaNet layers as exact RAM, so the model does exact arithmetic and runs C and MicroPython with no external tool. Long-integer arithmetic goes from 48.6% to 100%, and the code and weights are open (323 points on HN).

    Source: Hacker News · discussionLink · Post on X · LinkedIn ·
    ▲ +53 pts/h324 points · 76 comments
    LLMs

  7. Why a 1,800 km cloud on Mars shouldn't exist

    Anton Petrov covers new research on an unusually long cloud over Mars. It passed 90,000 views in about nine hours.

    Source: YouTube · Anton PetrovLink · Post on X · LinkedIn ·
    ▲ +10,125 views/h93,060 views · 3,602 ratings
    Science

  8. SciShow on AI psychosis and the deaths linked to chatbots

    SciShow explains what 'AI psychosis' is, how dangerous it can be and what can be done about it, as chatbot use keeps climbing. It reached 220,000 views in about 14 hours.

    Source: YouTube · SciShowLink · Post on X · LinkedIn ·
    ▲ +15,599 views/h221,331 views · 5,951 ratings
    Science

  9. Physicists claim the LHC saw signs of an extra dimension

    Two physicists in France say heavy particles in Large Hadron Collider data could only exist if space has an extra dimension. Sabine Hossenfelder walks through the claim and its problems; it is not an accepted result.

    Source: YouTube · Sabine HossenfelderLink · Post on X · LinkedIn ·
    ▲ +19,427 views/h295,249 views · 8,436 ratings
    Science

  10. Apple's git and curl on macOS still trust compromised eMudhra certificates

    Eleven days after Apple was told about the eMudhra incident, the git, curl and python3 that ship with macOS still trust the compromised certificates, and macOS 27.2 undid the manual workaround. That means HTTPS traffic from those tools, including git pulls and tokens, can be intercepted; it drew 1,102 points on Hacker News.

    Source: Hacker News · discussionLink · Post on X · LinkedIn ·
    ▲ +64 pts/h1102 points · 390 comments
    Dev Tools

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How this works

Signals today: 35 from X, 11 from Hacker News, 30 from arXiv, 16 from GitHub, 50 from HF Papers, 45 from YouTube. Scores combine how fast an item is picking up attention, how recent it is, and how many places it shows up. Each note is short, factual and links to the original. YouTube comes from public channel feeds of about fifty channels.