Convex
Great TS agent product backend when you want reactive state+actions together. Prefer Supabase/Neon when…
Great TS agent product backend when you want reactive state+actions together. Prefer Supabase/Neon when SQL/pgvector portability matters more than reactivity. Strengths: Reactive backend that fits agent UIs + tool actions in one system; Built-in vector search / crons / auth for agent products; Generous free tier for prototypes.
Lock-in risk: higher = more lock-in (worse). Overall already inverts this dimension.
Great TS agent product backend when you want reactive state+actions together. Prefer Supabase/Neon when SQL/pgvector portability matters more than reactivity.
Strengths
- · Reactive backend that fits agent UIs + tool actions in one system
- · Built-in vector search / crons / auth for agent products
- · Generous free tier for prototypes
Weaknesses
- · Professional per-developer pricing adds up
- · Not a drop-in Postgres; mental model shift
- · Business floor $2.5k/mo
Pricing notes
As of 2026-09-14 (convex.dev/pricing): Free & Starter $0 + PAYG — 1–6 developers, included function calls/bandwidth with overages (~$2.20/1M function calls, action compute $0.33/GB-hr bands). Professional $25/developer/mo. Business & Enterprise from $2,500/mo minimum (SAML/SSO, SLA). Reactive DB + vector search + crons + Node actions + auth.
Sourced pricing
Contract status unavailable · no_sourced_price. Single normalized $/1M: null. Machine list: /api/pricing?provider=convex
No sourced SKU row. Notes above stay prose.
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