Does GPT-5 Codex live up to the hype?
Today we are testing GPT-5 codex to see if it is really the best coding agent on the market. ANNOUNCEMENT If you like these tests, check out Jakob's new creativity-focused benchmark at https://vibebench.ai PROMPTS Planet https://featurecrew.io/prompts/planet/v1.txt https://featurecrew.io/prompts/planet/v2.txt City https://featurecrew.io/prompts/city/v1.txt https://featurecrew.io/prompts/city/v2.txt Dungeon https://featurecrew.io/prompts/dungeon/v1.txt https://featurecrew.io/prompts/dungeon/v2.txt
Video Chapters
- 0:00 Journey into the future: Unpacking GPT-5 Codex's capabilities.
- 0:58 First contact: Witnessing the birth of a procedural world.
- 3:00 A leap in design: Our planet now breathes with atmosphere and biomes.
- 4:03 Lessons from the cosmos: The procedural planet project concludes.
- 4:43 Blueprint for tomorrow: Embarking on the city generation challenge.
- 5:02 Urban chaos or genius? Our first city takes shape, with surprises.
- 7:07 The metropolis awakens: Behold a vibrant, organized cityscape.
- 9:25 Into the unknown: Charting a course for our dungeon crawler adventure.
- 12:03 Victory! Our procedural dungeon is ready for brave adventurers.
- 13:11 The final verdict: Reflecting on Codex's role as a coding companion.
Original Output
0:00 Journey into the future: Unpacking GPT-5 Codex's capabilities. 0:58 First contact: Witnessing the birth of a procedural world. 3:00 A leap in design: Our planet now breathes with atmosphere and biomes. 4:03 Lessons from the cosmos: The procedural planet project concludes. 4:43 Blueprint for tomorrow: Embarking on the city generation challenge. 5:02 Urban chaos or genius? Our first city takes shape, with surprises. 7:07 The metropolis awakens: Behold a vibrant, organized cityscape. 9:25 Into the unknown: Charting a course for our dungeon crawler adventure. 12:03 Victory! Our procedural dungeon is ready for brave adventurers. 13:11 The final verdict: Reflecting on Codex's role as a coding companion. Timestamps by StampBot 🤖