Staxly

Supabase vs Sanity

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

Supabase websiteSanity website

Pricing tiers

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

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

Free-tier quotas head-to-head

Comparing free on Supabase vs free on Sanity.

MetricSupabaseSanity
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

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

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.

Developer interfaces

KindSupabaseSanity
CLISupabase CLISanity CLI
SDKC# SDK, Flutter SDK, JavaScript SDK, Kotlin SDK, Python SDK, Swift SDK@sanity/client, sanity-python, @sanity/ui + next-sanity
RESTManagement API, REST API (PostgREST)Image CDN, Sanity HTTP API
GRAPHQLGraphQL (pg_graphql)
MCPSupabase MCP ServerSanity MCP
OTHERRealtime (WebSocket)GROQ Query Language, Webhooks
Staxly is an independent catalog of developer platforms. Some links to Supabase and Sanity may be affiliate links — Staxly may earn a commission if you sign up through them, at no extra cost to you. Pricing is verified against vendor pages at publication time — reconfirm before buying.

Want this comparison in your AI agent's context? Install the free Staxly MCP server.