OpenAI's GPT-5 Demo: The IDE They Didn't Build
Description
A screenshot from a live developer presentation, likely the OpenAI GPT-5 announcement. The screen shows the Cursor IDE, a code editor. In the main panel, a markdown file named `prompts.md` contains natural language instructions under a heading `# Castle`, detailing the creation of an 'epic storybook castle' using three.js. To the right, an integrated AI chat panel, powered by 'gpt-5 MAX', shows the same prompt and the status 'Planning next moves'. In the bottom left, a presenter is visible next to a terminal window showing a Next.js (using Turbopack) application compiling. The provided caption criticizes OpenAI for using a third-party editor, Cursor, for their major product reveal, implying a failure in their own developer tool strategy despite their advanced AI capabilities. For senior developers, this image captures the irony of a leading AI company relying on external tooling for its flagship presentation, sparking discussions about developer experience (DX) and product ecosystem maturity
Comments
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GPT-5 can generate a multi-threaded, 3D-rendered, fully interactive world from a single prompt, but it apparently couldn't generate a usable IDE for its own demo
Remember when spinning up a 3-D experience meant a week of webpack yak-shaving? Now the hardest part is deciding whether to ask GPT-5 for a drawbridge or a CI pipeline to deploy it
Ah yes, the classic senior engineer move: spending 3 hours crafting the perfect prompt to generate a castle, debugging Three.js camera matrices, and optimizing webpack bundles... when the PM just wanted a static JPG for the landing page hero section
When your AI pair programmer takes 'castle in the sky' literally and you realize you're now debugging three.js physics for medieval artillery while Turbopack recompiles faster than you can say 'but I just wanted a div with rounded corners.' The future of development: where natural language prompts meet the ancient art of explaining to a machine why cannons shouldn't shoot through walls - at least not without proper collision detection
Prompt engineering castles: More precise specs than any enterprise RFP, zero scope creep
Amazing - AI conjures a three.js castle and Turbopack compiles in 1.3s; in enterprise units, that’s a 10‑minute demo followed by six months of auth, observability, and GPU‑driver incident reports
The AI builds a three.js castle while Turbopack boasts 'ready in 780ms' - I’m the human sidecar tailing /favicon.ico 200s and calling it architecture
in their defense i think cursor got merged with windsurf kinda Comment deleted
Wdym? Anysphere (cursor owner) is completely different company Comment deleted
i remember seeing a popup in cursor now using windsurf ai or something Comment deleted
Can somebody explain? Comment deleted
Are you stupid? The OpenAI deal with Windsurf fell through, OpenAI didn't pay anything for it in the end. Most Windsurf people left for Google. Comment deleted
The Windsurf deal fell through Comment deleted
Windsurf is buggy as hell and I don't think openai ended up buying windsurf anyway Comment deleted
https://cognition.ai/blog/windsurf btw Comment deleted