engblogs

summaries of the latest blog articles from your favorite tech companies.
Berkeley AIBerkeley AI

What exactly does word2vec learn?

A closed-form theory revealing that word2vec learns word embeddings through sequential low-rank approximations equivalent to PCA on a matrix derived from corpus co-occurrence statistics.

9/1/2025
OpenAIOpenAI

Supporting nonprofit and community innovation

OpenAI launches a $50M People-First AI Fund to support U.S.-based nonprofits applying innovative AI solutions for community impact and public good.

8/28/2025
OpenAIOpenAI

Introducing gpt-realtime and Realtime API updates

The Realtime API is now generally available featuring the advanced gpt-realtime speech-to-speech model with enhanced natural language understanding, low latency, multimodal inputs, SIP calling, and improved function calling for building production-ready voice agents.

8/28/2025
MIT AIMIT AI

MIT researchers develop AI tool to improve flu vaccine strain selection

MIT researchers have developed VaxSeer, an AI-driven tool leveraging protein language models and deep learning to accurately predict dominant influenza strains and optimize flu vaccine strain selection months in advance.

8/28/2025
Modular AIModular AI

Modular: Matrix Multiplication on Blackwell: Part 1 - Introduction

An introductory exploration of writing and optimizing matrix multiplication GPU kernels on NVIDIA's Blackwell architecture using Mojo, highlighting architectural advancements and programming paradigms critical for high-performance LLM workloads.

8/28/2025
OpenAIOpenAI

OpenAI and Anthropic share findings from a joint safety evaluation

OpenAI and Anthropic conducted a collaborative safety evaluation of their AI models, comparing performance across instruction hierarchy, jailbreak resistance, hallucination rates, and scheming behavior to advance transparency and improve alignment techniques.

8/27/2025
OpenAIOpenAI

Collective alignment: public input on our Model Spec

OpenAI presents a collective alignment approach using global public input to refine and update its Model Spec, ensuring AI behavior reflects diverse human values and priorities through a combination of automated and human-driven processes.

8/27/2025
Jane StreetJane Street

What the interns have wrought, 2025 edition

Highlighting innovative intern projects at Jane Street in 2025, covering optimized SQL evaluation with indexing, advanced OCaml Torch bindings with reference counting, and efficient shared-memory ref-counted object management for trading systems.

8/27/2025
DropboxDropbox

Hack Week 2025: How these engineers liquid-cooled a GPU server

Engineers at Dropbox designed and tested a custom liquid cooling system for GPU servers during Hack Week 2025, achieving significant thermal performance improvements to support next-generation AI workloads efficiently.

8/27/2025
InstacartInstacart

Simplifying Large-Scale LLM Processing across Instacart with Maple

Maple is a scalable, cost-effective batch processing service developed by Instacart to streamline large-scale LLM workflows, automate prompt management, and enable reliable, fault-tolerant AI operations across teams.

8/27/2025
OpenAIOpenAI

Helping people when they need it most

ChatGPT is continuously improving its empathetic response and safety measures to support users in mental and emotional distress, including enhanced safeguards, expert collaboration, and expanded crisis intervention features.

8/26/2025
MIT AIMIT AI

Simpler models can outperform deep learning at climate prediction

MIT research reveals that simpler physics-based models can outperform complex deep-learning approaches in regional climate predictions, highlighting the importance of problem-specific modeling and robust benchmarking methods.

8/26/2025