gpt-researcher vs Weaver
gpt-researcher ranks higher on current evidence: 138 commits by 21 contributors in the last 90 days (78 in the last 30).
| gpt-researcher | Weaver | |
|---|---|---|
| Grade | C | F |
| Verdict | Active2+ majors behind | Dormant2+ majors behind |
| Category rank | #42 | #84 |
| Model | Free | Free |
| Commits, 90 days | 138 | 0 |
| Contributors, 90 days | 21 | 0 |
| Last activity | Oct 10, 2026 | Apr 9, 2026 |
| Listed price | Free | Free |
| Evidence source | Code | Code |
| Latest release | v3.7.0 | v0.6.7 |
| License | Apache-2.0 | MIT |
| Next.js | 14.2.28 (latest 16.4.2) | 14.2.0 (latest 16.4.2) |
| OpenAI SDK | 1.82.0 (latest 3.35.1) | 1.0.0 (latest 3.35.1) |
| TypeScript | 5.0.0 (latest 7.0.2) | 5.9.3 (latest 7.0.2) |
| FastAPI | 0.104.1 (latest 0.146.0) | 0.134.0 (latest 0.146.0) |
| LangGraph | 0.2.76 (latest 1.2.16) | 1.0.0 ✓ |
| pandas | 2.0.0 (latest 3.0.6) | — |
| React | 18.0.0 (latest 19.3.1) | 18.3.0 (latest 19.3.1) |
| Tailwind CSS | 3.4.1 (latest 4.3.3) | 3.4.1 (latest 4.3.3) |
| Zod | 3.0.0 (latest 4.6.7) | — |
| LangChain | 1.0.0 ✓ | 1.0.0 ✓ |
| NumPy | 2.0.0 ✓ | — |
| Pydantic | 2.11.5 ✓ | 2.12.5 ✓ |
| SQLAlchemy | 2.0.41 ✓ | 2.0.25 ✓ |
| Vercel AI SDK | — | 3.4.0 (latest 7.0.143) |
| Framework | Next.js, FastAPI | Next.js, FastAPI |
| Database / ORM | SQLAlchemy | SQLAlchemy, PostgreSQL (psycopg) |
| UI | Tailwind CSS | Tailwind CSS, Radix UI |
| AI | OpenAI SDK, LangChain, LangGraph, MCP SDK | Vercel AI SDK, OpenAI SDK, LangChain, LangGraph, MCP SDK |
| API layer | Pydantic, Uvicorn | 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.