FLAPPY BIRD
X AI

One prompt. Every model. 36 playable builds comparing what AI coding tools produce from the same spec.

14MODELS 332D BUILDS 33D BUILDS 4ARCHIVED

3D ARCADE

Three models asked to go full 3D — Three.js cranes, voxels and neon tunnels. Hosted as its own mini-site.

MODEL ROSTER

33 BUILDS

Claude Sonnet 4.6

anthropic

One build per effort level, low through max, via Claude Code.

Cursor Auto

cursor

Cursor's automatic model routing.

DeepSeek R1

deepseek

DeepSeek's reasoning model.

r1

GPT-5 Mini

openai

Small-tier GPT-5.

GPT-5.3 Codex Spark

openai

Codex Spark via the Pi harness.

pi

GPT-5.5 Pro

openai

Pro-tier single build.

Grok Code Fast

xai

Fast coding model via GitHub Copilot.

KAT Coder Pro V1

kwaipilot

Kwaipilot's coding model, single-file build.

ARCHIVE

RETIRED CABINETS

augment

2025

Augment — most polished of the 2025 batch

cline

2025

Cline with xAI — spec-driven build

roocode

2025

RooCode with DeepSeek R1

windsurf

2025

Windsurf SE-1