Staxly

Langfuse vs Supabase

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

Langfuse websiteSupabase website

Pricing tiers

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

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 hobby on Langfuse vs free on Supabase.

MetricLangfuseSupabase
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

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.

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

KindLangfuseSupabase
CLISupabase CLI
SDKlangfuse-js, langfuse-pythonC# SDK, Flutter SDK, JavaScript SDK, Kotlin SDK, Python SDK, Swift SDK
RESTLangfuse REST APIManagement API, REST API (PostgREST)
GRAPHQLGraphQL (pg_graphql)
MCPLangfuse MCP ServerSupabase MCP Server
OTHERLangfuse Dashboard, OpenTelemetry endpointRealtime (WebSocket)
Staxly is an independent catalog of developer platforms. Outbound links to Langfuse 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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