vioscale
Comparison

LangSmith vs Lunary

On the evidence we track, Lunary leads this comparison with a composite score of 69/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

LangSmith full profile →Lunary full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
LangSmith57
★Lunary69
Score
Vioscale score
LangSmith57 / 100low · 12%
Lunary69 / 100high · 75%
Pricing
Free tier
LangSmith–
Lunary✓
Model
LangSmith–
Lunaryfreemium
Price level
LangSmith–
Lunarymid
Starting price
LangSmith–
Lunary$20
Transparent
LangSmith–
Lunary✓
Integrations
Count
LangSmith–
Lunary20
Security
Gdpr
LangSmith–
Lunary✓
Iso27001
LangSmith–
Lunary✓
Soc2
LangSmith–
Lunary✓
Reliability
Sla pct
LangSmith–
Lunary99.9
Status page
LangSmith✓
Lunary–
Market
Availability

Capabilities

Feature-by-feature on the axes that matter for llm observability. “-” means undocumented, not absent.

Capabilities
Architecture model
LangSmith-
LunaryManaged cloud saas
Token cost and latency waterfall charts
LangSmith-
Lunary✓
Opentelemetry openllmetry native export support
LangSmith-
Lunary✓
Prompt playground and in dashboard replay
LangSmith-
Lunary✓
Multi step agentic workflow distributed tracing
LangSmith-
Lunary✓
User feedback score API for thumbs up down tags
LangSmith-
Lunary✗
Pii redaction and prompt content masking
LangSmith-
Lunary✓
Production ab testing of system prompts
LangSmith-
Lunary✓
Automated anomaly detection for rate limits
LangSmith-
Lunary✓
Native integration with langchain and llamaindex
LangSmith-
Lunary✓
SOC2 type ii
LangSmith-
Lunary✓
Mit or apache permissive oss license
LangSmith-
Lunary✗
Pricing model
LangSmith-
LunaryPer user seat

What each one is

The product in its own terms, so the numbers below have context.

LangSmith

LangSmith enables users to observe, evaluate, and deploy AI agents through a web interface that requires no coding. The platform provides tools for agent engineering and monitoring.

Independently observed

Lunary

Leader

A platform for teams to monitor LLM performance, manage prompts collaboratively, and deploy AI agents with real-time performance tracking and cost analysis. Supports logging, prompt templates, agent monitoring, and integrations with popular LLM providers.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

LangSmith

Pricing not documented yet.

Lunary

Leader
from $20/user/moSubscriptionFree tier

From $20/user/mo. Free tier available.

  • FreeFree
    • 10k events per month
    • 3 projects
    • 30 days logs retention
  • Team$20/user/mo
    • 50k events per month
    • AI Playground
    • Unlimited projects
    • 1 year history
    • Advanced features
    • +5 more
  • CustomContact sales
    • Self-hosted deployment
    • SSO / SAML
    • SOC2 & ISO27001 Reports
    • 99.9% SLA
    • Custom Invoicing
    • +6 more
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
LangSmith✓
Lunary✓
Deployment
Cloud / SaaS
LangSmith✓
Lunary✓
Self-hosted
LangSmith✗
Lunary✓
On-premise
LangSmith✗
Lunary✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

LangSmith

Not documented yet.

Lunary

Leader
31 total
  • Anthropic
  • Flowise
  • LangChain
  • OpenRouter
  • IBM WatsonX
  • Mistral
  • Grok
  • Fireworks AI
  • AWS Bedrock
  • Azure OpenAI
  • OpenAI
  • Ragas
  • LiteLLM
  • LlamaIndex
  • Langflow
  • PowerBI
  • Tableau
  • MySQL
  • Amplitude
  • Airbyte
  • Segment
  • Slack
  • Zapier
  • Redshift
  • +7 more
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.