You can program your Xfinity remote to work with your TV by heading to Connected Devices > Control your TV, and selecting your TV's make an model.

Unlike GPT-5, which is built as a general-purpose AI model, GPT-5-Codex is optimized for what OpenAI calls “agentic coding," ...

From cloud hand-offs to GitHub reviews, GPT-5-Codex is optimized for agentic coding and designed to supercharge developer workflows.