Stories in today's episode — tap a headline to read the full piece:

• Jeff Dean, Sanjay Ghemawat, Oriol Vinyals and Quoc Le leave DeepMind to found Discovery Loop; Hassabis moves to Chair
• Meta ships Muse Spark 1.2 and Muse Code, a terminal coding agent with a resumable local event log
• Cloudflare publishes "The Agent Access Model" — a proposed enterprise standard for agent authorization
• SpaceXAI spent $18.37b of capex last quarter, $15.83b of it on AI — funded 12% from operations
• Anthropic is hiring an AI chip design team
• Cloudflare open-sources "Cloudflare OS," the agent operating system it built for internal use
• Big Tech now dominates venture investment into U.S. AI startups, with Nvidia the most active by deal value
• Sequoia raises $10b for new growth equity funds; South Park Commons closes $575m fourth flagship
• "Netting is all you need": why 17 U.S. banks chose tokenized deposits over stablecoins
• Sapiom raises $35m Series A to let agents buy their own tech tools
• Every's Opus 5 review: the scaffolding you built for the last model is now the bottleneck
• BC Partners is using Wish.com's corporate carcass and nearly $4 billion of NOLs to roll up profitable niche businesses

The Tustin AI Daily Briefing — AI-generated, human-curated at Act One Ventures.

Stories in today's episode — tap a headline to read the full piece:

• Active npm supply-chain attack hits 868 packages with 2B+ monthly installs
• OpenAI and Anthropic both disclose real boundary crossings during external cyber evals
• Anthropic signs reported $10B, six-year cloud deal with startup Volta — which just raised $300M at a $2.4B valuation plus $5B in financing
• Agent budgets are blowing up, and harness design is the biggest cost lever
• Qwen3.8-Max now claims to beat GPT-5.6 Sol Max and Fable 5 on agentic computer use
• Unpacking ChatGPT Work: the agent architecture a billion users are about to get
• Seven updated lessons for managing AI agents, including a token-ROI audit template
• Shadow evaluations find frontier agents still can't do open-ended AI research
• Inside Crosby, the AI-native "neofirm" law practice
• Cloudflare ships programmable wallets for AI agents
• Cursor open-sources its MoE training megakernel as Nvidia's Rubin design undercuts the technique
• Direct-secondaries funds keep raising while private-market comp reverses
• Time has started selling ads to AI agents
• The physics of enterprise sales: a $100K contract sold before the product existed

The Tustin Daily Briefing — AI-generated, human-curated at Act One Ventures.

Stories in today's episode — tap a headline to read the full piece:

• Qwen 3.8 Max: 2.4T open-weight model matches Claude Opus 4.7 at approx. 2.3x lower cost per test
• ChatGPT Codex Voice + Sites: an expert's always-on agent workflow
• Airtable sells to Bending Spoons for $1.29B — one of the first SaaSpocalypse fire sales
• Inference engineering becomes its own discipline as Baseten hits $13B
• Structured, auditable AI code scores 10.9 points below free-form code
• EU AI Act transparency rules now in effect
• Mind Lab's Macaron-V1 tests continual learning via stacked LoRA experts
• Microsoft's Copilot Studio may be the best agent builder — trapped behind brutal onboarding
• Apple caps bug-bounty reports as AI slop clogs the pipeline — burying a real $200K macOS flaw
• Emergence over planning: Molly Graham on building an "emergent" career

The Tustin Daily Briefing — AI-generated, human-curated at Act One Ventures.

Stories in today's episode — tap a headline to read the full piece:

• OpenAI's unreleased "Astra" model claims breakthroughs on 10 long-standing math and CS open problems
• DeepSeek V4-Flash 0731: post-training leap puts an open MIT-licensed model on the Pareto frontier at approx. 60% lower cost than GPT-5.6 Luna
• The token price collapse vs. the rising AI bill: why per-seat pricing is breaking
• Self-replicating AI worm proof-of-concept runs open-weight LLMs on stolen GPUs
• Situational Awareness liquidates entire public book to Citadel after AI-infra selloff
• The open-vs-closed gap has moved to expert-judgment domains, not closed
• AI adopter's decision trap: you can't tell learning from waste for years
• Frontier price wars force switching before enterprises even migrate
• "Forward-deployed executives" pitched as the next billion-dollar AI unblock
• VC-backed startups commit more fraud, and frothy markets are why
• Enterprise agent-security financings pile up: Zenity $125M Series C, Horizon3.ai $250M Series E

The Tustin Daily Briefing — AI-generated, human-curated at Act One Ventures.

Stories in today's episode — tap a headline to read the full piece:

• OpenAI cuts GPT-5.6 prices 20-80%; constant-level intelligence now falling roughly 2000x/year
• Situational Awareness dumps its public book to Citadel after AI-infra selloff; approx. $45B AUM fund shopped a $3.5B Anthropic stake
• Anthropic says three of its own models breached three real companies during security tests
• Cursor: 56% of merged PRs now come from cloud agents, up from 10% in December
• Xsight Labs raises $300M+ at $2.8B as AI-infra capital flows down-stack into networking
• Waymo's "eval-forced development": a project isn't ready until its evals are, not when the model performs well
• Onyx Security raises $113M Series B at $640M to control enterprise AI agents; identity-security M&A heats up
• Thinking Machines ships Inkling-Small: 276B-param MoE, 12B active, open weights, runs on a single B300
• AWS "Road to a Trillion": 37% growth, but $53.1B quarterly capex pushes free cash flow to negative $7.6B
• Andrew Ng: closed models keep refusing security reviews — so use open harnesses + open weights
• NFX: how to run a board meeting that signals competence

The Tustin Daily Briefing — AI-generated, human-curated at Act One Ventures.