deep-research vs LangChain + Next.js Template

LangChain + Next.js Template ranks higher on current evidence: 83 commits by 4 contributors in the last 90 days (16 in the last 30).

LangChain + Next.js Templatedeep-research
GradeBD
VerdictActive1 major behindSlowing2+ majors behind
Category rank#6#27
ModelFreeFree
Commits, 90 days830
Contributors, 90 days40
Last activityOct 12, 2026Jun 18, 2026
Listed priceFreeFree
Evidence sourceCodeCode
Latest release—v0.11.0
LicenseMITMIT
Zod3.25.76 (latest 4.6.7)3.24.2 (latest 4.6.7)
Next.js16.3.8 ✓15.5.12 (latest 16.4.2)
React19.3.0 ✓19.2.4 ✓
Supabase JS2.117.1 ✓—
Tailwind CSS4.3.3 ✓3.4.1 (latest 4.3.3)
TypeScript7.0.2 ✓5.0.0 (latest 7.0.2)
Vercel AI SDK7.0.66 ✓4.3.12 (latest 7.0.143)
FrameworkNext.jsNext.js
Database / ORMSupabase—
UITailwind CSS, Radix UITailwind CSS, Radix UI
AIVercel AI SDK, LangChainVercel AI SDK
i18n—i18next

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.