Staxly

Sanity vs Supabase

Structured content platform — headless CMS with real-time + GROQ
vs. The open source Firebase alternative with Postgres

Sanity websiteSupabase website

Pricing tiers

Sanity

Free
20 seats. 2 public datasets. 10K documents. 250K API req + 1M CDN req/month. Content Agent + live preview + visual editing.
Free
Growth
$15 per seat/month. 50 seats. 2 datasets (public or private). 25K docs. Same API limits + pay-as-you-go overages.
$15/mo
Enterprise
Custom. SAML SSO, Media Library, dedicated support, 99.99% SLA.
Custom
Sanity website

Supabase

Free
Perfect for experiments. Projects pause after 7 days inactivity.
Free
Pro
Production-ready. Usage-based overages apply.
$25/mo
Team
For teams; includes SOC2 attestation and priority support.
$599/mo
Enterprise
Custom quotas, HIPAA compliance, dedicated support.
Custom
Supabase website

Free-tier quotas head-to-head

Comparing free on Sanity vs free on Supabase.

MetricSanitySupabase
bandwidth gb5 GB/month
db storage gb0.5 GB
edge invocations500000 invocations/month
file storage gb1 GB
mau50000 users/month
realtime messages2000000 messages/month

Features

Sanity · 16 features

  • Agent ContextExpose your content schema + docs to LLM agents.
  • Content Agent (AI)AI assistant inside Studio for generation + translation.
  • Content HistoryEvery change versioned. Rollback + diff.
  • Content LakeDistributed real-time DB for structured content. Multi-region replicas.
  • DatasetsLogical content partitions (stage/prod/etc.). Easy cloning.
  • GROQGraph-Relational Object Queries — JSON-native query language.
  • Image CDNSmart transforms (crop, format, quality) via URL params.
  • InternationalizationMultiple locales per document with native i18n plugins.
  • Live PreviewsDraft previews with stega-encoded content.
  • Media Library (Ent)Org-wide media with DAM features.
  • Portable TextStructured rich text format (JSON). Portable across channels.
  • Real-Time CollaborationLive presence + collaborative editing.
  • Sanity StudioOpen-source React editor — customize with your own components + workflow.
  • Scheduled PublishingSchedule content to publish at a future date.
  • Visual EditingClick-to-edit inline on your Next.js/etc. website.
  • WebhooksEvents on create/update/delete with GROQ filter.

Supabase · 24 features

  • AuthenticationComplete JWT-based auth: passwords, magic links, OTP, OAuth, SSO, phone, MFA.
  • Backups & PITRAutomatic daily backups + Point-in-Time Recovery (WAL-G). 14-day default PITR wi
  • Compute InstancesUpgradeable DB compute: Micro, Small, Medium, Large. Affects CPU, RAM, and conne
  • Connection PoolingSupavisor pooler: Session mode (persistent) and Transaction mode (serverless). D
  • Cron JobsScheduled recurring jobs via pg_cron. Trigger DB functions, edge functions, or H
  • Custom DomainsConfigure custom hostname for API endpoints with SSL certificate management.
  • Database WebhooksAsync HTTP callbacks on INSERT/UPDATE/DELETE via pg_net extension.
  • Edge FunctionsTypeScript (Deno runtime) functions deployed globally at the edge. Supports secr
  • Full-Text SearchPostgreSQL native FTS: to_tsvector, to_tsquery, GIN indexes, fuzzy matching, wei
  • Image TransformationsOn-the-fly resize, crop, quality (20-100), WebP auto-format. Smart CDN caching.
  • Log DrainsRoute all stack logs to HTTP, Datadog, Loki, Sentry, S3, OTLP, or Axiom. Up to 2
  • Metrics API~200 Prometheus-compatible Postgres metrics. OpenTelemetry export to Datadog, Gr
  • Network RestrictionsCIDR allowlist for database access. Multiple IP ranges supported. Pro+ plan.
  • OAuth 2.1 ServerUse Supabase Auth as OAuth provider. Custom Access Token Hooks for claim injecti
  • pgvectorStore and search vector embeddings in Postgres. Supports HNSW/Flat indexes, cosi
  • PostgreSQL DatabaseFull PostgreSQL per project: SQL editor, table editor, CSV import, 50+ extension
  • PostgreSQL Extensions50+ pre-installed extensions: uuid-ossp, pgvector, pg_cron, plv8, pgtap, pg_net,
  • Preview BranchesEphemeral or persistent DB branches for isolated testing. Git integration, auto-
  • QueuesExactly-once message queues built on pgmq. Stored in Postgres with configurable
  • Read ReplicasAsync read-only replicas in multiple regions. Geo-routing, replication lag monit
  • RealtimeWebSocket subscriptions for DB changes (INSERT/UPDATE/DELETE), broadcast, and pr
  • Row Level SecuritySQL-native access control; policies auto-filter rows based on auth.uid() / auth.
  • SSL EnforcementRequire TLS for all DB connections. Configurable: required, preferred, disabled.
  • StorageFiles, Analytics (Iceberg), and Vector buckets with global CDN (285+ cities) and

Developer interfaces

KindSanitySupabase
CLISanity CLISupabase CLI
SDK@sanity/client, sanity-python, @sanity/ui + next-sanityC# SDK, Flutter SDK, JavaScript SDK, Kotlin SDK, Python SDK, Swift SDK
RESTImage CDN, Sanity HTTP APIManagement API, REST API (PostgREST)
GRAPHQLGraphQL (pg_graphql)
MCPSanity MCPSupabase MCP Server
OTHERGROQ Query Language, WebhooksRealtime (WebSocket)
Staxly is an independent catalog of developer platforms. Outbound links to Sanity and Supabase are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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