Staxly

LangSmith vs Hasura

LLM observability, testing & evaluation — by LangChain
vs. Instant GraphQL + REST on your data sources — with permissions

LangSmith websiteHasura website

Pricing tiers

LangSmith

Developer (Free)
Free forever. 5,000 traces/month. 14-day retention. 1 seat. Basic evaluations.
Free
Plus
$39/seat/month. 10k base traces included ($2.50 per 1k overage). Full evaluations, custom dashboards, email support.
$39/mo
Enterprise
Custom. Self-host option, SSO, custom retention, dedicated support.
Custom
LangSmith website

Hasura

OSS (Community)
Free forever (Apache-2.0). Self-host GraphQL Engine v2.
$0 base (usage-based)
Cloud Free
$0. 1 project. 60 req/min. Community support.
Free
Professional
$99/mo (starts). Usage-based compute + data pass-through. Production SLAs.
$99/mo
Advanced
Custom. Multi-region, dedicated, observability, SSO.
Custom
Enterprise
Custom. On-prem / air-gap / advanced security.
Custom
Hasura website

Free-tier quotas head-to-head

Comparing developer on LangSmith vs free on Hasura.

MetricLangSmithHasura
No overlapping quota metrics for these tiers.

Features

LangSmith · 14 features

  • AlertsThreshold alerts on latency, cost, eval metrics.
  • Annotation QueuesHuman-review workflows for trace quality rating.
  • Custom DashboardsAggregate metrics dashboards per project/tag.
  • DatasetsCollect examples → use as eval sets or training data.
  • EvaluationsLLM-as-judge, embedding similarity, custom Python evaluators, offline batch eval
  • LangChain IntegrationAuto-trace any LangChain/LangGraph run with env var.
  • LangGraph IntegrationFirst-class trace + eval for LangGraph agents.
  • LLM TracingAutomatic trace every LLM call + tool call + chain step.
  • OpenTelemetry ExportExport traces as OTLP to Datadog/Honeycomb/etc.
  • PlaygroundTest prompts + models inline before deploying.
  • Prompt CanvasVisual prompt editor with live test + eval.
  • Prompt HubPublic + private prompt library with versioning.
  • Self-Hosted (Enterprise)Docker + k8s deployment in your infra.
  • Threads + SessionsGroup traces into conversational sessions.

Hasura · 14 features

  • ActionsCustom resolvers via HTTP.
  • Data Connector HubBuild connectors to any source.
  • Event TriggersDB changes → webhook.
  • GraphQL APIAuto GraphQL over relational + NoSQL.
  • Hasura DDN (v3)Multi-source supergraph with OpenDD.
  • JWT AuthPluggable JWT verification.
  • Metadata MigrationsGit-versioned Hasura config.
  • PermissionsRow + column + session-based.
  • Query CachingEdge caching with cache-control directive.
  • Remote SchemasMerge external GraphQL into supergraph.
  • REST EndpointsTurn any GraphQL op into REST.
  • Scheduled TriggersCron + one-off webhook triggers.
  • SubscriptionsLive queries via WS.
  • Webhook AuthCustom auth via webhook.

Developer interfaces

KindLangSmithHasura
CLILangSmith CLIddn CLI (v3), hasura CLI
SDKlangsmith-js, langsmith-python
RESTLangSmith REST APIHasura REST Endpoints, Metadata API
GRAPHQLHasura GraphQL Engine
MCPLangSmith MCP
OTHERLangSmith DashboardData Connectors, Hasura Console
Staxly is an independent catalog of developer platforms. Outbound links to LangSmith and Hasura are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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