Staxly

Supabase vs Langfuse

The open source Firebase alternative with Postgres
vs. Open-source LLM engineering platform — observability, prompts, evals

Supabase websiteLangfuse 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

Langfuse

Hobby (Cloud Free)
Free. 50k units/month included. 30 days data access. 2 users. Community support.
Free
Self-Hosted (OSS)
MIT-licensed. Docker Compose or Kubernetes deployment. Unlimited.
$0 base (usage-based)
Core
$29/month. 100k units included ($8 per 100k overage). 90 days retention. Unlimited users. In-app support.
$29/mo
Pro
$199/month. 100k units included + same overage. 3 YEARS retention. Unlimited annotation queues. High rate limits.
$199/mo
Teams Add-on
+$300/month. Adds Enterprise SSO + fine-grained RBAC + dedicated Slack support to Pro.
$300/mo
Enterprise
$2,499/month. Everything + custom rate limits, uptime SLA, dedicated support engineer. Yearly options.
$2499/mo
Langfuse website

Free-tier quotas head-to-head

Comparing free on Supabase vs hobby on Langfuse.

MetricSupabaseLangfuse
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

Langfuse · 16 features

  • Annotation QueuesHuman reviewers rate traces. Unlimited on Pro+.
  • DashboardsAggregate metrics, cost, quality across projects.
  • DatasetsCurate test sets from production traces. Run experiments.
  • EU Cloud RegionGDPR-compliant hosting in EU.
  • EvaluationsLLM-as-judge, manual scores, custom model-graded evaluators.
  • LLM Cost TrackingAutomatic cost calculation per provider/model.
  • OpenTelemetry NativeOTel SDK → Langfuse endpoint works out of box.
  • PlaygroundTest prompts + models + variables live.
  • Prompt ManagementVersion, tag, label prompts. Reference from code by label.
  • Public APIFull REST API for ingest, query, prompt management.
  • Python @observe decoratorOne-line decorator to trace any function.
  • Self-HostingDocker Compose + k8s Helm chart.
  • SessionsGroup related traces (conversations, agent runs).
  • TracingCapture every LLM call, tool call, nested span with inputs/outputs/cost.
  • Users TrackingSegment traces by user ID, track per-user cost.
  • WebhooksSubscribe to trace completion events.

Developer interfaces

KindSupabaseLangfuse
CLISupabase CLI
SDKC# SDK, Flutter SDK, JavaScript SDK, Kotlin SDK, Python SDK, Swift SDKlangfuse-js, langfuse-python
RESTManagement API, REST API (PostgREST)Langfuse REST API
GRAPHQLGraphQL (pg_graphql)
MCPSupabase MCP ServerLangfuse MCP Server
OTHERRealtime (WebSocket)Langfuse Dashboard, OpenTelemetry endpoint
Staxly is an independent catalog of developer platforms. Some links to Supabase and Langfuse 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.

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