Sam Altman's DevDay 2025 keynote introduces major platform updates, including the Apps SDK for building inside ChatGPT, AgentKit for streamlined agent creation, the general availability of the powerful Codex coding agent, and new API access to GPT-5 Pro and Sora 2.
In a YC interview, RevenueCat co-founders Jacob Eiting and Miguel Carranza discuss their journey from experiencing the pain of in-app purchases to building a critical piece of infrastructure for the mobile economy. They cover their early-stage conviction, the keys to selling to developers, and the operational and personal lessons learned while scaling to a globally distributed team.
Anthropic’s Meaghan Choi and Alex Albert explore the design philosophy behind Claude Code, discussing its terminal-first approach, the evolution of developer workflows in the age of LLMs, and how agentic coding empowers both engineers and designers.
Tudor Girba introduces "Moldable Development," a paradigm where developers create thousands of custom tools to analyze and interact with their specific software context. He demonstrates this live using Glamorous Toolkit, transforming an unstructured text file into a browsable system with custom views, all within minutes.
Dell's Shirish Gupta and Ish Shah discuss the complexities developers face in leveraging on-device accelerators like NPUs and GPUs. They introduce Dell ProAI Studio, a solution designed to abstract away hardware-specific toolchains, enabling developers to easily run AI workloads locally for benefits like speed, cost, security, and offline capability.
Birgitta Böckeler from Thoughtworks provides a comprehensive overview of the current AI tooling landscape for software delivery. The talk focuses on the architecture and capabilities of modern coding assistants, differentiating between the underlying model and the crucial role of tooling in providing context. It explores what works today, the promising but challenging frontiers like testing and refactoring, and offers a practical guide to the major tools in the ecosystem.