OpenAI AI Updates: July 31, 2026

1. OpenAI Lowers GPT-5.6 Pricing for Luna and Terra Tiers

OpenAI published an update advancing the price-performance frontier for GPT-5.6, introducing lower pricing for its Luna and Terra model tiers. The company said the more efficient models are aimed at helping enterprises deploy AI workflows at scale. Source

2. avatarin Builds a 24/7 Retail Agent With GPT-Realtime

OpenAI detailed how avatarin used GPT-Realtime to give Yamada Denki shoppers round-the-clock multilingual support. In the first two weeks, 30,000 people used the agent and 92% of survey responses were positive. Source

3. Codex Desktop App Adds Browser Upgrades and Multi-Repository Review

OpenAI shipped a Codex desktop app update that adds faster page revisits via address bar history and Google search integration in the built-in browser. The release also introduces multi-repository review for multi-folder projects and expanded image editing, including the ability to add comments across images in a larger viewer. Source