OpenAI unveiled Codex‑Spark, a lightweight version of its Codex coding assistant designed for rapid inference and real‑time collaboration. The new model runs on Cerebras' Wafer Scale Engine 3, a megachip featuring four trillion transistors, marking a deeper hardware integration between the two companies. Currently in a research preview for ChatGPT Pro users, Spark aims to accelerate prototyping while complementing the heavier, longer‑running tasks of the original Codex model. Read more →

Anthropic announced that it will begin using new Claude chat interactions and coding tasks as training data for its large language models. The shift follows an update to the company’s privacy policy slated for October 8, which will automatically include user data unless individuals explicitly opt out. Users can control the setting through a “Help improve Claude” toggle in Privacy Settings. The policy also extends data retention from 30 days to five years for all users, while commercial‑tier accounts licensed through government or educational programs remain exempt from training data collection. Read more →