Developers Test OpenAI Codex: Mind-Blowing Capabilities and Superiority Over Competitors

Multiple developers have tested the OpenAI Codex agent, praising its ASI-like capabilities and superiority over Claude Code. Demos include building a 3D printer monitoring dashboard in 5 minutes and successfully running a 25-year-old Windows 95 game using its Computer Use feature.

2026-07-30 ~ 2026-08-01 · 4 related posts

• Testing Codex AI Agent: Builds 3D Printer Dashboard in 5 Minutes — billyjhowell · 2026-07-30
• Hands-on with OpenAI Codex: Developer Says Claude Code Struggles to Compete — lucasmeijer · 2026-07-31
• Developer Tests OpenAI Codex: Feels Like Interacting with a Polite ASI — RileyRalmuto · 2026-08-01
• OpenAI Codex Agent Successfully Boots Up 25-Year-Old Game — gabriel1 · 2026-08-01