engblogs

summaries of the latest blog articles from your favorite tech companies.
OpenAIOpenAI

Codex is now generally available

Codex is now generally available with new Slack integration, SDK, and admin tools to enhance developer productivity, streamline workflows, and improve code management at scale.

10/6/2025
DuolingoDuolingo

What I learned in my first year as an engineering director at Duolingo

Reflections on leadership, culture, and growth from a year as an engineering director at Duolingo, highlighting unique hiring practices, relocation experiences, and the importance of patience and empathy in onboarding and leadership.

10/6/2025
The New York TimesThe New York Times

Scaling Subscriptions at The New York Times with Real-Time Causal Machine Learning

Real-time, causal machine-learning driven optimization of The New York Times' subscription funnel that dynamically decides paywalls, registration walls, or access to maximize multiple KPIs using RCT data and Pareto-based multi-objective optimization.

10/3/2025
The New York TimesThe New York Times

Scaling Subscriptions at The New York Times with Real-Time Causal Machine Learning

Real-time causal ML optimizes The New York Times' subscription funnel by dynamically deciding when to show registration walls, paywalls, or open access to maximize multiple KPIs under business constraints.

10/3/2025
The New York TimesThe New York Times

Scaling Subscriptions at The New York Times with Real-Time Causal Machine Learning

Real-time causal machine learning drives The New York Times' dynamic subscription funnel, balancing paywalls, registrations, and access through RCT-driven, multi-objective optimization.

10/3/2025
MIT AIMIT AI

AI maps how a new antibiotic targets gut bacteria

Using AI-driven DiffDock, researchers rapidly identified the mechanism of action of enterololin, a promising precision antibiotic targeting harmful gut bacteria linked to Crohn’s disease while preserving the microbiome.

10/3/2025
OpenAIOpenAI

OpenAI announces strategic collaboration with Japan’s Digital Agency

OpenAI partners with Japan’s Digital Agency to deploy generative AI tools for public services and advance international AI governance frameworks.

10/2/2025
OpenAIOpenAI

With GPT-5, Wrtn builds lifestyle AI for millions in Korea

Wrtn leverages GPT-5 to deliver Korea's leading Lifestyle AI platform, enhancing natural language interactions and expanding use cases across millions of users.

10/2/2025
MIT AIMIT AI

Lincoln Lab unveils the most powerful AI supercomputer at any US university

Lincoln Laboratory's TX-GAIN supercomputer, equipped with over 600 NVIDIA GPUs and capable of two AI exaflops, is now the most powerful AI system at any U.S. university, advancing generative AI research and interdisciplinary collaborations across MIT.

10/2/2025
MIT AIMIT AI

Martin Trust Center for MIT Entrepreneurship welcomes Ana Bakshi as new executive director

Ana Bakshi joins the Martin Trust Center for MIT Entrepreneurship as executive director, bringing extensive leadership experience in entrepreneurship education and AI to advance innovation-driven entrepreneurship and impact.

10/2/2025
Fly.ioFly.io

Litestream v0.5.0 is Here

Litestream v0.5.0 introduces the LTX file format for efficient transaction-aware SQLite backups with point-in-time recovery, improved compaction, simplified replica management, and enhanced compatibility and performance.

10/2/2025
DuolingoDuolingo

How to use “‑ito” and “‑ita”: Your guide to Spanish diminutives

Explore the usage, meanings, formation rules, and exceptions of Spanish diminutives using the suffixes '-ito' and '-ita' to express nuances like smallness, affection, or inconsequence.

10/2/2025