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OpenAI Developers Blog

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Last checked Sep 3, 2026, 32 items found.

All from OpenAI Developers Blog

OpenAI · Developer

Mar 20Designing delightful frontends with GPT-5.4Practical techniques for steering GPT-5.4 toward polished, production-ready frontend designs.General

OpenAI · Developer

Mar 25How Perplexity Brought Voice Search to Millions Using the Realtime APILessons from how Perplexity Computer's voice agent was built with the Realtime API.Audio

OpenAI · Developer

Feb 26Building frontend UIs with Codex and FigmaUse Codex and Figma to bring real, running interfaces into Figma, refine them, and bring changes back to Codex.Codex

OpenAI · Developer

Dec 30OpenAI for Developers in 2025A year-end roundup of the biggest model, API, and platform shifts for building production-grade agents.General

OpenAI · Developer

Feb 11Shell + Skills + Compaction: Tips for long-running agents that do real workPractical patterns for building with skills, hosted shell, and server-side compaction in the Responses API.API

OpenAI · Developer

Sep 11Hello, world!Introducing our developer blogGeneral

OpenAI · Developer

Feb 415 lessons learned building ChatGPT AppsAnd how we incorporated them into a Codex Skill to help you build ChatGPT Apps 10x faster.Apps SDK

OpenAI · Developer

Jan 11Supercharging Codex with JetBrains MCP at SkyscannerHow Skyscanner integrated Codex CLI with JetBrains IDEs to speed up debugging, testing, and development workflows.Codex

OpenAI · Developer

Nov 24What makes a great ChatGPT appHow to build capabilities that make conversations better.Apps SDK

OpenAI · Developer

Dec 22Updates for developers building with voiceNew audio model snapshots and broader access to Custom Voices for production voice apps.Audio

OpenAI · Developer

Jun 23Mastering remote engineering work from your phoneUse Remote in the ChatGPT mobile app to start, steer, review, and organize engineering work.Codex

OpenAI · Developer

Mar 9Using skills to accelerate OSS maintenanceUsing skills and GitHub Actions to optimize Codex workflows in the OpenAI Agents SDK repos.Codex

OpenAI · Developer

Oct 27Using Codex for education at Dagster LabsLearn how Dagster uses Codex in their open-source projects to accelerate documentation, translate content across mediums, and even measure how complete their docs are.Codex

OpenAI · Developer

Jun 26Making private MCP servers reachable without making them publicHow we preserved private network boundaries while supporting MCP streaming, authentication, and an inspectable client.General

OpenAI · Developer

Sep 22Why we built the Responses APIHow the Responses API unlocks persistent reasoning, hosted tools, and multimodal workflows for GPT-5.API

OpenAI · Developer

Sep 12Developer notes on the Realtime APIDetails worth noticing in recent realtime speech-to-speech updatesAudio

OpenAI · Developer

Oct 10How Codex ran OpenAI DevDay 2025Learn how Codex helped us build experiences, demos, products, and moreCodex

OpenAI · Developer

Feb 23Run long horizon tasks with CodexCodex

OpenAI · Developer

Mar 11From prompts to products: One year of ResponsesFive stories from developers building agentic products with the Responses API in its first year.API

OpenAI · Developer

Jan 22Testing Agent Skills Systematically with EvalsA practical guide to turning agent skills into something you can test, score, and improve over time.Codex

OpenAI · Developer

Automating repetitive work at OpenAI with Codex

OpenAI · Developer

Meet the winners of OpenAI Build Week

OpenAI · Developer

Meet Rosalind Workbench: Empowering every scientist to be their own research team

OpenAI · Developer

Codex as a platform: build on the open agent harness

OpenAI · Developer

Life sciences

OpenAI · Developer

Scaling cyber defenders with Daybreak

OpenAI · Developer

Jul 20Custom Code Review rules for CodexProvide more detailed rules for Codex to spot issues and better adhere your conventions during code review.Codex

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