Browsing: AI

AI

Perplexity introduces ‘Perplexity Computer,’ an advanced agentic tool available to its highest-tier subscribers. This cloud-based system unifies 19 AI models to independently execute complex workflows, from data collection and analysis to creating finished websites. The company is shifting its focus towards enterprise users and deep research, emphasizing a multi-model approach for optimal query responses.

AI

GPT-5.2 represents a highly capable model for scientific and mathematical work, demonstrating significant advancements in reasoning and problem-solving. This article explores its enhanced performance and a case study where it resolved an open research problem in statistical learning theory.

AI

PostgreSQL has proven capable of handling immense read-heavy workloads, supporting millions of queries per second for 800 million users across ChatGPT and OpenAI’s API. This article details the rigorous optimizations and engineering efforts undertaken to scale a single-primary PostgreSQL architecture with nearly 50 global read replicas, addressing challenges like write amplification, query inefficiencies, and single points of failure, while maintaining high availability and low latency.