Weaver vs xunlong
Weaver ranks higher on current evidence: no commits in 90 days; last commit 193 days ago.
| Weaver | xunlong | |
|---|---|---|
| Grade | F | F |
| Verdict | Dormant2+ majors behind | Dormant2+ majors behind |
| Category rank | #84 | #85 |
| Model | Free | Free |
| Commits, 90 days | 0 | 0 |
| Contributors, 90 days | 0 | 0 |
| Last activity | Apr 9, 2026 | Oct 10, 2025 |
| Listed price | Free | Free |
| Evidence source | Code | Code |
| Latest release | v0.6.7 | — |
| License | MIT | MIT |
| Vercel AI SDK | 3.4.0 (latest 7.0.143) | — |
| Next.js | 14.2.0 (latest 16.4.2) | — |
| OpenAI SDK | 1.0.0 (latest 3.35.1) | 1.0.0 (latest 3.35.1) |
| TypeScript | 5.9.3 (latest 7.0.2) | — |
| FastAPI | 0.134.0 (latest 0.146.0) | 0.100.0 (latest 0.146.0) |
| React | 18.3.0 (latest 19.3.1) | — |
| Tailwind CSS | 3.4.1 (latest 4.3.3) | — |
| LangChain | 1.0.0 ✓ | 0.1.0 (latest 1.4.6) |
| LangGraph | 1.0.0 ✓ | 0.0.40 (latest 1.2.16) |
| Pydantic | 2.12.5 ✓ | 2.0.0 ✓ |
| SQLAlchemy | 2.0.25 ✓ | — |
| Anthropic SDK | — | 0.25.0 (latest 1.15.0) |
| Framework | Next.js, FastAPI | FastAPI |
| Database / ORM | SQLAlchemy, PostgreSQL (psycopg) | — |
| UI | Tailwind CSS, Radix UI | — |
| AI | Vercel AI SDK, OpenAI SDK, LangChain, LangGraph, MCP SDK | OpenAI SDK, LangChain, Anthropic SDK, LangGraph |
| API layer | Pydantic, Uvicorn | Pydantic, Uvicorn |
| Testing | — | pytest |
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.