SUNDAY · OCTOBER 25, 2026 PM Intelligence

Cutting inference bill by 68% through optimization

When our AI code reviewer's cost per run doubled, we dug into the token usage to find out why. Learn how we used prompt caching and intelligent model routing to slash our inference bill by 68% while speeding up reviews.

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Product

Aha! Blog

The failure of entrepreneurs is our greatest strength

Brian de Haaff considers what we risk losing when we stop valuing entrepreneurship — from new ideas and economic opportunity to individual agency.

Lenny's Newsletter

How tech workers feel about AI in 2026 | Annual AI sentiment survey

Recognize that half of your team may be struggling with burnout and uncertainty, necessitating a shift towards more empathetic management practices. Prioritize regular check-ins and support systems to foster a healthier work environment and retain talent.

Lenny's Newsletter

Inside the black box of AI: How AI models actually think

Listen now (72 mins) | Emmanuel Ameisen of Anthropic explains what looking inside language models reveals about planning, consciousness, and AI safety

Engineering

Meta Engineering

The Thin Orchestrator: Making AI Agents More Reliable with Less Router Work

Sometimes, giving an AI agent all of the knowledge it needs is the wrong approach. At Meta, we’ve seen notable improvements in efficiency and accuracy by keeping the orchestration layer of our data pipeline agents deliberately thin: It routes work and enforces reliability checks, while specialized agents do the domain reasoning. We’re sharing our o…

Cloudflare Blog

Inside Hyperdrive: Solving a Rare MySQL Caching Bug

While adding MySQL support to Hyperdrive, we found a subtle protocol bug when caching query results. Here is how we tracked down a 0.001% rate error and made Hyperdrive MySQL generally available.

Meta Engineering

Turning AI Inference into Better Ad Recommendations

At Meta, we’ve built a system that enhances ads recommendations by leveraging idle inference capacity in our fleet. Two elasticity levers in the system allow ads recommendation work to expand across opportunistic capacity, without compromising baseline performance. This post describes how we designed and now operate the system at Meta’s scale and h…

Strategy

Tomasz Tunguz

The Theory 2026 AI Survey Results

Theory's second annual AI in Practice Survey finds four results that surprised us : 43% rate security a top pain against the 10% who say its tooling delivers value, 45% of teams route queries across models, Cloudflare hosts 62% of agent sandboxes, & 48% now read production logs with coding agents.

CB Insights

CEO Interview: Clair

Nico Simko, Chief Executive Officer (CEO) of Clair, tells CB Insights how they view the market, customer needs, and their company. How do you define your market and where does your company fit into that space? 60% of Americans … The post CEO Interview: Clair appeared first on CB Insights Research .

CB Insights

Executive Interview: Gotomarket

Denis Bogdanovich, Chief Operating Officer (COO) of Gotomarket, tells CB Insights how they view the market, customer needs, and their company. How do you define your market and where does your company fit into that space? We built B2B Go-To-Market … The post Executive Interview: Gotomarket appeared first on CB Insights Research .

AI & Research

Wired (AI)

Is AI Actually Going to Kill Us All

This week on “Uncanny Valley,” we dig into a former Anthropic researcher’s AI doomsday warning, the latest upgrades from Apple’s event, and the census report that claimed Trump won the 2020 election.

OpenAI Blog

How We Built a Realtime System for Responsive Voice AI in Six Months

GPT-Live enables continuous voice interaction with AI, using a turnless speech model and low-latency architecture for faster, more natural conversations.