TLDR AI 2025-09-16

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OpenAI upgraded its Codex agent with GPT-5-Codex, a new model capable of dynamically allocating compute time per task, ranging from seconds to hours, leading to better performance on complex coding benchmarks.

As part of restructuring into a for-profit company, OpenAI said it expects to keep an additional $50 billion by reducing its revenue share with Microsoft, which was originally introduced as a concession in exchange for exclusive use of Microsoft's cloud servers.

Reve has launched a new image creation platform that combines an image creator, a drag-and-drop editor, a creative assistant, and an API. The platform uses a unique Layout Representation to enhance precision, bridging language and vision for seamless editing. Users gain granular control over visual elements, enabling more intuitive image manipulation.

Instead of random hash IDs, this experiment embeds semantically meaningful item tokens into an LLM, enabling natural language recommendations and interpretable, chat-based interactions.

Harvard's PDGrapher AI model identifies gene-drug combinations that could restore healthy cell states, targeting diseases like Parkinson's and Alzheimer's. The tool accelerates drug discovery by predicting viable pairings and providing mechanistic insights. This aligns with a trend of using AI in biotech, where models like AlphaFold revolutionize scientific research.

Are you in pilot purgatory or production-ready? This Roadmap will help you figure out where your organization stands and what it will take to move forward. It includes a practical model to assess AI maturity across five critical dimensions: vision, people, architecture, delivery, and measurement. Grab a free copy.

RustGPT is a complete large language model implementation in pure Rust with no external ML frameworks. The project demonstrates how to build a transformer-based language model from scratch in Rust. It was built from the ground up using only ndarray for matrix operations - no PyTorch, TensorFlow, or Candle. The model uses a transformer-based architecture.

HuMo unifies human-centric video generation across multimodal inputs by introducing a new dataset and a progressive training strategy, achieving audio-visual synchronization.

Meta's internal collaboration with vLLM and PyTorch introduces prefill/decode disaggregation, boosting large-scale LLM inference performance in production with improved throughput and latency.

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OpenAI is hiring researchers with expertise in developing AI algorithms for controlling humanoid or other types of robots. The company appears to be putting together a team capable of creating systems that can be trained through teleoperation and simulation. It has begun training AI algorithms that are better able to make sense of the physical world to empower robots to navigate and perform tasks. Achieving artificial general intelligence may require developing algorithms capable of interacting with the physical world.

Nvidia's Rubin CPX is a specialized accelerator built specifically for the 'prefill' stage of AI inference. It is tuned for dense compute with far less bandwidth than a general-purpose GPU. Rubin CPX uses less expensive GDDR7 memory and skips high-bandwidth features like HBM and NVLink, so it is estimated to cost around a quarter as much to manufacture as the standard Rubin R200. Its release may force industry rivals to rethink their hardware strategies or risk falling further behind Nvidia's lead in AI infrastructure.

Immersed ($22M raised) is re-inventing how work happens. It's pioneered the most popular XR work app, a Visor built for all-day comfort, and an AI agent that handles the busywork. Become an investor

Anthropic's third economic index reveals that Claude usage is heavily concentrated in wealthy countries like Israel and Singapore, with businesses using AI for automation 77% of the time compared to consumers' 49%.

The system prompt for OpenAI's Codex has been leaked.

OpenAI released a large-scale study of ChatGPT usage that highlighted reduced demographic gaps and growing economic value.