LangChain + Next.js Template vs Velobase Harness
LangChain + Next.js Template ranks higher on current evidence: 76 commits by 4 contributors in the last 90 days (33 in the last 30).
| LangChain + Next.js Template | Velobase Harness | |
|---|---|---|
| Verdict | Active1 major behind | Active2+ majors behind |
| Category rank | #1 | #2 |
| Model | Free | Free |
| Commits, 90 days | 76 | 19 |
| Contributors, 90 days | 4 | 8 |
| Last activity | Sep 25, 2026 | Sep 26, 2026 |
| Listed price | Free | Free |
| Evidence source | Code | Code |
| Latest release | — | v0.2.0 |
| License | MIT | MIT |
| Zod | 3.25.76 (latest 4.6.5) | 3.0.0 (latest 4.6.5) |
| Next.js | 16.3.4 ✓ | 15.5.25 (latest 16.3.6) |
| React | 19.3.0 ✓ | 19.0.0 ✓ |
| Supabase JS | 2.97.0 ✓ | — |
| Tailwind CSS | 4.3.3 ✓ | 4.0.15 ✓ |
| TypeScript | 7.0.2 ✓ | 5.8.2 (latest 7.0.2) |
| Vercel AI SDK | 7.0.66 ✓ | 5.0.68 (latest 7.0.116) |
| Stripe SDK | — | 19.1.0 (latest 22.6.2) |
| Express | — | 4.22.2 (latest 5.2.1) |
| Prisma | — | 6.5.0 (latest 7.10.0) |
| React Native | — | 0.86.3 (latest 0.87.1) |
| Auth.js | — | 5.0.0-beta.32 ✓ |
| Expo | — | 57.0.20 ✓ |
| tRPC | — | 11.18.0 ✓ |
| Framework | Next.js | Next.js, Expo, Express, React Native |
| Database / ORM | Supabase | Prisma |
| UI | Tailwind CSS, Radix UI | Tailwind CSS, Radix UI |
| AI | Vercel AI SDK, LangChain | Vercel AI SDK, OpenAI SDK |
| Auth | — | Auth.js |
| Payments | — | Stripe |
| — | Resend, Nodemailer, React Email, SendGrid | |
| API layer | — | tRPC, TanStack Query, Hono |
| i18n | — | next-intl |
| Monitoring | — | PostHog |
✓ = on the latest major version. "Claimed" = a version the vendor's public pages mention, not verified code. Evidence as of Sep 26, 2026. Rankings never depend on affiliate or paid status. Method.