OpenAI deploys Cerebras chips for 'near-instant' code generation in first major move beyond Nvidia

OpenAI launches GPT‑5.3‑Codex‑Spark, a Cerebras-powered, ultra-low-latency coding model that claims 15x faster generation ...

OpenAI introduces GPT‑5.3‑Codex‑Spark, an ultra-fast coding model powered by Cerebras0 0

ChatGPT Pro subscribers can try the ultra-low-latency model by updating to the latest versions of the Codex app, CLI, and VS Code extension. OpenAI is also making Codex-Spark available via the API to ...

OpenAI unveils ultra-fast GPT 5.3 Codex Spark model for real-time coding

OpenAI has unveiled an ultra-fast AI model called GPT 5.3 Codex Spark model for real-time coding. All you need to know.
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.