DATAGEN vs Weaver

DATAGEN ranks higher on current evidence: 69 commits by 7 contributors in the last 90 days (21 in the last 30).

DATAGENWeaver
GradeBF
VerdictActive1 major behindDormant2+ majors behind
Category rank#17#84
ModelFreeFree
Commits, 90 days690
Contributors, 90 days70
Last activityOct 1, 2026Apr 9, 2026
Listed priceFreeFree
Evidence sourceCodeCode
Latest release—v0.6.7
LicenseMITMIT
pandas2.3.3 (latest 3.0.6)—
LangChain1.4.2 ✓1.0.0 ✓
LangGraph1.2.12 ✓1.0.0 ✓
OpenAI SDK3.20.0 ✓1.0.0 (latest 3.35.1)
Vercel AI SDK—3.4.0 (latest 7.0.143)
Next.js—14.2.0 (latest 16.4.2)
TypeScript—5.9.3 (latest 7.0.2)
FastAPI—0.134.0 (latest 0.146.0)
React—18.3.0 (latest 19.3.1)
Tailwind CSS—3.4.1 (latest 4.3.3)
Pydantic—2.12.5 ✓
SQLAlchemy—2.0.25 ✓
AIOpenAI SDK, LangChain, LangGraph, MCP SDKVercel AI SDK, OpenAI SDK, LangChain, LangGraph, MCP SDK
Framework—Next.js, FastAPI
Database / ORM—SQLAlchemy, PostgreSQL (psycopg)
UI—Tailwind CSS, Radix UI
API layer—Pydantic, Uvicorn

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.