OpenAI Agents SDK (JS) vs Vercel AI SDK
Both are Grade A and 0.8 points apart, so choose on what you weigh most. OpenAI Agents SDK (JS) leads on supply-chain integrity and transparency; Vercel AI SDK leads on maintenance and adoption, and rests on broader evidence.
A lightweight, powerful framework for multi-agent workflows and voice agents
Choose OpenAI Agents SDK (JS) if supply-chain integrity and transparency matter most.
- +3.3Safety / Integrity: OSSF Scorecard 8.5 against 5.8
- +2.3Transparency: OSSF Scorecard 8.5 against 5.8
The AI Toolkit for TypeScript. From the creators of Next.js, the AI SDK is a free open-source library for building AI-powered applications and agents
Choose Vercel AI SDK if maintenance and adoption matter most.
- +2.8Adoption: 42.6M weekly downloads against 2.5M
- +1.6Maintenance
- A vs BEvidence coverage: 4 of 5 independent signal types, against 3
Where they differ
1 dimension identical: Identity 18.0 · Full evidence table
An independent, evidence-based trust comparison of OpenAI Agents SDK (JS) and Vercel AI SDK, two Agent Frameworks projects in the HVTracker registry. Scores come from public, checkable signals — supply-chain provenance, OSSF Scorecard, maintenance, and adoption — not popularity.
Full evidence
| Signal | OpenAI Agents SDK (JS)openai/openai-agents-js | Vercel AI SDKvercel/ai |
|---|---|---|
| HVTrust score | 93.0 | 93.8 |
| Evidence grade | A | A |
| Coverage grade | B | A |
| Overall rank | #6 | #4 |
| Rank in Agent Frameworks | #4 | #3 |
| GitHub stars | 4.0k | 27.7k |
| Last updated | 1d ago | 1d ago |
| Build provenance | Yes | Yes |
| OSSF Scorecard | 8.5 / 10 | 5.8 / 10 |
| License | MIT | NOASSERTION |
| Downloads | 2.5M/wk | 42.6M/wk |
| Trust dimensions (points earned) | ||
| Safety / integrity / 25 | 23.1 | 19.8 |
| Identity & provenance / 18 | 18.0 | 18.0 |
| Transparency / 17 | 15.7 | 13.4 |
| Maintenance / 20 | 18.3 | 19.9 |
| Adoption / 20 | 17.2 | 20.0 |
| Runtime capability surface (full matrix) | ||
| MCP server | Implemented | Implemented |
| External providers | 1 — OpenAI | 1 — OpenAI |
| Requires API keys | Yes | No |
| Plugin surface | extensions | — |
| Provenance drift | Match | Match |
How to read this: HVTrust (0–100) weighs supply-chain signals (provenance, OSSF Scorecard, signed commits, open license) alongside real-world adoption, scaled by an evidence-confidence factor. Grade bands: A ≥ 80, B ≥ 65, C ≥ 50, D < 50. Signals refresh daily. Full methodology v4.4 →