Demo: Making a Motion Graphics Video from a Prompt in Codex (Astra High)

Melvin Vivas · X video post · 2026-09-26 · 0:15 · 2,362 views · Open on X

Topics: AI Dev Tools & Productivity · Level: beginner

Summary

Melvin Vivas posts a 15-second demo of a motion graphics video he made by giving a prompt to OpenAI's Codex, with the "Astra High" setting. The clip has no narration, and the post doesn't share the prompt. What it shows is that a coding agent can produce animated visuals, not just regular code.

Key points

• Codex, OpenAI's coding agent, was used to make a motion graphics video from a single prompt.
• The creator says he used "Astra High", which looks like a model or reasoning-effort setting in Codex. The post doesn't explain what it is.
• The exact prompt isn't in the post, so you can't reproduce the result from this item alone.
• The 15-second clip has no speech. It's a showcase of the output, not a tutorial.
• Takeaway: coding agents can create visual and animation content, likely by writing code that renders the animation.

Resources mentioned

• OpenAI Codex · tool · openai.com · paid
  OpenAI's coding agent. In the diagram it writes code, fixes review findings and drives the build loop. The creator also used it to make this video.
  Also in: An agent bot that installs and drives Codex on its own (Melvin Vivas on X · notes), Asking a Coder bot to install Codex (Melvin Vivas on X · notes), Sign in with ChatGPT: Setting Usage Limits for Each App (Melvin Vivas on X · notes), Codex Cloud Environments Must Be Saved & Published Before Use (Melvin Vivas on X · notes) and 240 more
• GPT-6 Astra · tool · openai.com · paid
  The model announced in the quoted launch post, pitched as the developer's most capable model for work, coding, science and cybersecurity, and able to operate a computer.
  Also in: Customizing Your Coding Setup with Pi Coding Agent Extensions (Melvin Vivas on X · notes), Pi Agent Council: Ask Multiple LLMs in Parallel and Compare Their Advice (Melvin Vivas on X · notes), Use GPT-6.1 Sol by Default, Save Astra for Emergencies (Melvin Vivas on X · notes), Dots in ChatGPT: always-on AI agents that you hand responsibilities to (Melvin Vivas on X · notes) and 49 more

Try this

• Use a coding agent like Codex to write a prompt for a short motion graphics or animation video.