Descriptions:
Alex Finn hosts a live session stress-testing ChatGPT 5.5 Pro as a coding and creative tool, with the central claim that the model — combined with OpenAI’s Codex agent — has overtaken Claude Code as the best environment for vibe coding. Finn describes spending an entire weekend exclusively on Codex and GPT-5.5 without touching Claude Code, calling it the most significant tool shift since he switched from Cursor to Claude Code in early 2025.
The live demonstrations focus on building 3D simulations and interactive games entirely through prompting, with viewers watching the iterative build process in real time. Finn walks through a solar system simulator — featuring accurately scaled planetary orbits, Saturn’s rings, and multiple moons — generated and refined across two or three prompt exchanges with GPT-5.5 Pro. He contrasts GPT-5.5’s responses with other models, arguing it produces more genuinely novel outputs rather than averaging toward safe, generic answers.
The session also touches on model comparisons across the broader landscape, with Finn expressing skepticism about Grok and Gemini’s differentiated value relative to OpenAI and Anthropic’s offerings. While the livestream format means a significant portion of the runtime is audience chat interaction, supplement discussions, and digressions, the core coding demonstrations and the direct comparison of Codex versus Claude Code make it relevant viewing for developers tracking the fast-moving vibe-coding toolchain.
📺 Source: Alex Finn · Published April 27, 2026
🏷️ Format: Livestream
