OpenAI's new Codex app hits 1M+ downloads in first week — but limits may be coming to free and Go users

In a major milestone for the "AI coding wars," OpenAI CEO Sam Altman confirmed on X that the company's standalone Codex ...

OpenAI's new Spark model codes 15x faster than GPT-5.3-Codex - but there's a catch

OpenAI's new Spark model codes 15x faster than GPT-5.3-Codex - but there's a catch ...
InfoWorld

Visual Studio adds GitHub Copilot unit testing for C#

GitHub Copilot testing for .NET in Visual Studio 2026 v18.3 can generate tests for the xUnit, NUnit, and MSTest test frameworks.

OpenAI Taps Cerebras for GPT-5.3 Codex Spark in Bid to Loosen Nvidia’s Grip

OpenAI launches GPT-5.3 Codex Spark powered by Cerebras chips, signaling a shift from Nvidia reliance and intensifying the AI infrastructure race.
Visual Studio Magazine

Hands On with New Multi-Agent Orchestration in VS Code

A proof of concept shows how multi-agent orchestration in Visual Studio Code 1.109 can turn a fragile, one-pass AI workflow into a more reliable, auditable process by breaking long tasks into smaller, ...