LangGraph Agent Chat UI vs OpenAI Realtime Agents

LangGraph Agent Chat UI ranks higher on current evidence: 23 commits by 4 contributors in the last 90 days (7 in the last 30).

LangGraph Agent Chat UIOpenAI Realtime Agents
GradeAD
VerdictActiveCurrent depsDormant1 major behind
Category rank#3#28
ModelFreeFree
Commits, 90 days230
Contributors, 90 days40
Last activityOct 15, 2026Jan 7, 2026
Listed priceFreeFree
Evidence sourceCodeCode
Latest release——
LicenseMITMIT
Next.js16.4.0 ✓15.3.1 (latest 16.4.2)
React19.3.0 ✓19.0.0 ✓
Tailwind CSS4.3.3 ✓3.4.1 (latest 4.3.3)
TypeScript7.0.2 ✓5.0.0 (latest 7.0.2)
Zod4.6.5 ✓3.24.1 (latest 4.6.7)
FrameworkNext.jsNext.js
UITailwind CSS, Radix UITailwind CSS, Radix UI
TestingPlaywright—
AI—OpenAI SDK

Evidence checked . ✓ = on the latest major version. "Claimed" = a version the vendor's public pages mention, not verified code. Evidence as of Oct 19, 2026. Rankings never depend on affiliate or paid status. Method.