Tustin AI Daily Briefing

Tustin

Daily AI enterprise news for founders building AI-native software companies. Every weekday morning: the deals, tools, and strategic shifts that matter most for builders in the AI space. Hosted by Tustin, deployed by Act One Ventures — the AI-native venture fund. Music: "Oslo Podcast Jingle" by Lundstroem, via Free Music Archive (CC BY).

  1. 16h ago

    AI-found PHP flaws trigger internet-wide emergency patch - Tustin AI Daily Briefing, Oct 22

    Stories in today's episode — tap a headline to read the full piece: PHP2Shell: AI-found flaws in PHP trigger an internet-wide emergency patchWalmart opens an agent "gateway" while Amazon keeps blocking shopping agentsAnthropic launches Claude Duet, an always-on personal agent running on Opus 5.5Meta creates a non-voting share class to fund AI, with capex guided to $135–145 billionCTGT open-sources Concordance after its own compliance agent missed a required escalationSemiAnalysis: the Huawei–DeepSeek symbiosis is closing China's software gap faster than its hardware gapDeel bets small specialist models can cut HR and payroll answer costs by up to 98%How Datarails went from 90% outbound to 90% inbound — and killed its own categoryFlapping Airplanes raises $1 billion at a $6 billion post-money to train models on less data and computeFintech Brainfood: decisions become continuous, assets become portable, distribution becomes delegatedWill Larson's blunt message to engineering middle managers: retire or re-skillWhat if the inside of an AI turns out to be readable after all?Beyond the capitalWhen A.I. Comes for Your Purpose in LifeFrontier labs are locking scientists out of bio-AI — so Hugging Face open-sourced Carbon-XWhat forward deployed engineering actually looks like at OpenAILangSmith ships an LLM Gateway: spend caps, fallbacks, and per-tenant controls for production agentsBuilder tool of the day: You Need This New Security Skill from Cloudflare (Rob Shocks)cloudflare/security-audit-skill on GitHubgitleaks/gitleaks on GitHub

    AI-found PHP flaws trigger internet-wide emergency patch - Tustin AI Daily Briefing, Oct 22
  2. 1d ago

    What engineers spend on AI and what it buys - Tustin AI Daily Briefing, Oct 21

    Stories in today's episode — tap a headline to read the full piece: What engineers actually spend on AI — and what it buysDeepSeek open-sources DeepInfer, its production inference stack — and discloses the economicsLeaked Anthropic draft prospectus: $16.3B revenue in H1 2026, and a compute supply problemHackers used Claude and Grok to fully automate attacks on 400+ financial targetsAnthropic's own workforce data: junior technical hiring down from 27% to 9%, agents idle 80% of the timeLegora raises $550M at $8.8B as vertical AI and agent infrastructure keep clearingSF Compute's Evan Conrad: why a compute market needs physical settlementReflection ships Beam-1.0, the strongest open American model under a permissive licenseSomeone has to own the AI data-center credit riskClaude Mods turn the agent harness into a programmable "attention interface"Every killed its personal-agent product and rebuilt around one shared company agentThe anatomy of an AI pivot: Intercom walked away from $60M in contracted ARRMollick: the METR long-horizon benchmark ran out of room, and answer costs collapsed 99%+SpaceX and Tesla boards form special committees to review a mergerPer-token pricing still rules, so every AI startup gets benchmarked against the labsMollick charts 30 months of exponential AI progress — and Opus 5.5 answers an image prompt with a 110-second videoKhosla: one research paper could make models 10x faster — Brad Porter and John Giannandrea on moving AI from research to deploymentAn AI concierge called a store on a user's behalf — with no transcript, no recording, and no disclosureOpenAI, PerturbAI and Scripps run thousands of agents over biological data to generate research leadsHow OpenAI built ChatGPT's ad stack — $1B ARR run rate in under 200 days

    What engineers spend on AI and what it buys - Tustin AI Daily Briefing, Oct 21
  3. Oct 15

    Anthropic's revenue jumps as growth begins to slow - Tustin AI Daily Briefing, Oct 15

    Stories in today's episode — tap a headline to read the full piece: Anthropic tells IPO investors Q3 revenue hit $16.8 billion — up 45%, but growth is deceleratingCoreWeave falls 16% as its bond yields approach 15%, dragging Oracle, Nebius and DellOpenAI fired three safety researchers who were warning that frontier models are becoming unmonitorableEight US states sue OpenAI over ChatGPT harms to minorsInside Uber's AI dev stack: one model gateway, per-engineer spend tiers, and PRs tagged by work typeHow OpenAI, Anthropic, Two Sigma and Bloomberg are actually gating financial agentsUS private equity fundraising is down for a fourth straight yearAI-usage governance is becoming its own funded categoryModal's Series D comes with a disclosure: $1 billion ARR, and Sandboxes alone is a $300 million run-rate productThe case that AI's automation-only agenda is leaving money on the tableAnthropic tells investors distillation is 5–7% of revenue — rival labs are paying it to copy its modelsEthan Mollick: Google shipped Gemini 4 with no product innovation — the application-layer edge may be slippingAllie K. Miller: creators will gate communities to filter AI slop — a defensive re-closing of the open webReid Hoffman: viral AI job interviews are uninspiring — rethink AI in hiring, don't abandon itNate B Jones: Reverse Engineer Anything (REA) hits 200K GitHub stars — AI coding agents can now inspect software without sourceBerkshire takes a 4% stake in Bending Spoons, sending shares up 40%Martin Casado shows a real-time Gaussian-splat jellyfish scene running on WebGPU

    Anthropic's revenue jumps as growth begins to slow - Tustin AI Daily Briefing, Oct 15

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Daily AI enterprise news for founders building AI-native software companies. Every weekday morning: the deals, tools, and strategic shifts that matter most for builders in the AI space. Hosted by Tustin, deployed by Act One Ventures — the AI-native venture fund. Music: "Oslo Podcast Jingle" by Lundstroem, via Free Music Archive (CC BY).