Project comparison
Default comparison triggered by daily hotlist records to explain growth, maturity, and selection risk.
Hotlist signal basis
Reposcope groups projects by category, language, and use case so the hotlist becomes a decision surface.
vercel/ai
openai/codex
AI SDK
Selection
vercel/ai
AI SDK for React, Svelte, Vue, and server runtimes.
12.8K
920
1,078d
openai/codex
Lightweight coding agent that runs in your terminal and helps developers ship code.
18.2K
1,240
411d
Daily
Daily signal
| Dimension | ai | codex |
|---|---|---|
| Today rank | #5 | #1 |
| Stars today | +987 | +2,847 |
| Contributors | 76 | 34 |
Core metric comparison
| Dimension | ai | codex |
|---|---|---|
| Open Issues | 120 | 89 |
| License | Apache-2.0 | Apache-2.0 |
| Primary language | TypeScript | TypeScript |
| Trigger | Baseline app-layer project keeps absorbing attention | OpenAI release momentum concentrated attention on terminal agents |
Growth and maturity
vercel/ai
openai/codex
ai momentum76%
codex momentum100%
ai maturity67%
codex maturity60%
AI
AI selection verdict
openai/codex has stronger current momentum, while vercel/ai remains category-representative.
TypeScriptTypeScript · React · Streaming
TypeScriptTypeScript · Node.js · OpenAI API · Git · Sandbox
ai risk40%
codex risk50%