Registry › Compare › OpenAI Agents SDK (JS) vs Vercel AI SDK

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

openai/openai-agents-js · #6 overall · #4 Agent Frameworks · coverage B (3/5)

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
A Vercel AI SDK 93.8

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

vercel/ai · #4 overall · #3 Agent Frameworks · coverage A (4/5)

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

23.1
Safety / IntegrityOpenAI Agents SDK (JS) +3.3
19.8
15.7
TransparencyOpenAI Agents SDK (JS) +2.3
13.4
18.3
MaintenanceVercel AI SDK +1.6
19.9
17.2
AdoptionVercel AI SDK +2.8
20.0
+0.7
Runtime calibrationVercel AI SDK +2.0
+2.7

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
Open in the live compare tool → OpenAI Agents SDK (JS) profile Vercel AI SDK profile More Agent Frameworks →

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 →