openOii vs sandbase-harness
sandbase-harness ranks higher on current evidence: 1356 commits by 9 contributors in the last 90 days (472 in the last 30).
| sandbase-harness | openOii | |
|---|---|---|
| Grade | A | B |
| Verdict | ActiveCurrent deps | Steady1 major behind |
| Category rank | #1 | #36 |
| Model | Free | Free |
| Commits, 90 days | 1356 | 2 |
| Contributors, 90 days | 9 | 1 |
| Last activity | Oct 12, 2026 | Sep 10, 2026 |
| Listed price | Free | Free |
| Evidence source | Code | Code |
| Latest release | v0.3.8 | — |
| License | Apache-2.0 | None detected |
| React | 19.3.0 ✓ | 18.3.1 (latest 19.3.1) |
| Tailwind CSS | 4.3.3 ✓ | 3.4.17 (latest 4.3.3) |
| TypeScript | 7.0.2 ✓ | 5.7.2 (latest 7.0.2) |
| Vercel AI SDK | 7.0.128 ✓ | — |
| Zod | 4.6.5 ✓ | — |
| Anthropic SDK | — | 0.40.0 (latest 1.15.0) |
| FastAPI | — | 0.115.0 (latest 0.146.0) |
| LangGraph | — | 1.0.8 ✓ |
| SQLAlchemy | — | 2.0.30 ✓ |
| Framework | Vite | Vite, FastAPI |
| UI | Tailwind CSS | Tailwind CSS, daisyUI |
| AI | Vercel AI SDK, Anthropic SDK | Anthropic SDK, LangGraph |
| API layer | Hono | TanStack Query, Uvicorn |
| Testing | Vitest, Playwright | Vitest, Playwright |
| i18n | i18next | — |
| Database / ORM | — | SQLAlchemy, PostgreSQL (psycopg), Alembic |
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.