OpenAI used its OpenDev stage on October 6, 2025 to push ChatGPT from a capable assistant into a platform you can build on. The headliners were apps that run directly inside ChatGPT via a new Apps SDK, AgentKit for building and shipping agentic workflows, general availability of Codex with a fresh SDK and Slack integration, and a strategic AMD partnership aimed at scaling compute to six gigawatts. This post breaks down what shipped, why it matters, and how developers can start building today.
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Open WebUI: A Pay As You Go, multi-model, family-friendly alternative to ChatGPT Plus
Open WebUI is an extensible, self-hosted interface for large language models that feels familiar if you have used ChatGPT, yet it gives you control over models, costs, and access. I have been thinking about Open WebUI as a self hosted alternative on a Pay As You Go model versus paying …