Comparison

LangSmith vs LlamaIndex

On the evidence we track, LlamaIndex leads this comparison with a composite score of 65/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
LangSmith52
★LlamaIndex65
Score
vioscaleAI score
LangSmith52 / 100low · 12%
LlamaIndex65 / 100medium · 69%
Pricing
Free tier
LangSmith–
LlamaIndex✓
Model
LangSmith–
LlamaIndexfreemium
Price level
LangSmith–
LlamaIndexmid
Starting price
LangSmith–
LlamaIndex$50
Transparent
LangSmith–
LlamaIndex✓
Integrations
Count
LangSmith–
LlamaIndex3
Security
Certifications
LangSmith–
LlamaIndexSOC 2 Type II
Disclosure policy
LangSmith–
LlamaIndex✓
Gdpr
LangSmith–
LlamaIndex✓
Hipaa
LangSmith–
LlamaIndex✓
Soc2
LangSmith–
LlamaIndex✓
Trust center
Reliability
Sla pct
LangSmith–
LlamaIndex99.9
Status page
LangSmith✓
LlamaIndex✓
Adoption
Dependent repos
LangSmith–
LlamaIndex0
Github stars
LangSmith–
LlamaIndex52,481
Package downloads weekly
LangSmith–
LlamaIndex1,685,400
Activity
Commits last 30d
LangSmith–
LlamaIndex28
Release
Cadence days
LangSmith–
LlamaIndex17
History
LangSmith–
LlamaIndex20 items
License
Spdx
LangSmith–
LlamaIndexMIT
Language
Primary
LangSmith–
LlamaIndexPython
Market
Content
Faq
LangSmith4 items
LlamaIndex8 items

Capabilities

Feature-by-feature on the axes that matter for mlops & llmops tools. “-” means undocumented, not absent.

Core
Tool role
LangSmithLLM observability / eval
LlamaIndexAgent / RAG framework
Deployment
Self-hostable / OSS core
LangSmith✗
LlamaIndex✓
Managed cloud available
LangSmith✓
LlamaIndex✓
On-prem / VPC deployment
LangSmith✗
LlamaIndex✓
Observability
LLM tracing / observability
LangSmith✓
LlamaIndex✗
Evaluation (offline / LLM-judge / human)
LangSmith✓
LlamaIndex✗
Dev
Prompt management + versioning
LangSmith-
LlamaIndex✗
Tracking
Experiment tracking / model registry
LangSmith-
LlamaIndex✗
Serving
Model serving / inference endpoint
LangSmith✗
LlamaIndex✓
Interop
OpenTelemetry / OpenLLMetry compatible
LangSmith-
LlamaIndex✓
Framework-agnostic
LangSmith✓
LlamaIndex✓
Gateway
Multi-provider model support
LangSmith-
LlamaIndex✓
Data
No-train-on-customer-data guarantee
LangSmith-
LlamaIndexUnknown

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

LlamaIndex

Leader

A platform that uses AI models to parse and extract data from documents across 130+ file formats, supporting complex layouts, multiple languages, and multi-step extraction agents. Optimized for accuracy, cost, and latency at enterprise scale.

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.

LlamaIndex

Leader
from $50/moHybridFree tier

Free (10K credits/month), Starter $50/month (400K credits), Pro $500/month (400K + 800K bonus), Pay-as-you-go up to $5,000/month, Enterprise custom

  • FreeFree
    • Basic support
    • 100 users
    • 130+ file formats
    • 80+ languages supported
  • Starter$50/mo
    • Basic support
    • Multiple parse tiers
    • Auto Mode with up to 80% savings
    • Saved parse configs
    • Advanced table/chart extraction
    • +1 more
  • Pro$500/mo + $1000 one-time
    • Priority Slack support
    • All parsing and extraction capabilities
    • Extraction agents
    • Webhooks & API callbacks
    • Smart result caching
  • Pay-as-you-go$0.00 per credit
    • Priority Slack support
    • Flexible credit usage up to $5,000/month
  • EnterpriseContact sales
    • Volume discounts on credits
    • 5x higher rate limits
    • Enterprise SSO
    • SaaS or Hybrid cloud deployment
    • Dedicated account manager
    • +1 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✓
LlamaIndex✓
CLI
LangSmith✗
LlamaIndex✓
Deployment
Cloud / SaaS
LangSmith✓
LlamaIndex✓
Hybrid
LangSmith✗
LlamaIndex✓

Integrations

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

LangSmith

Not documented yet.

LlamaIndex

Leader
3 total
  • AWS
  • Microsoft Azure
  • GitHub
Independently observed
Still deciding?

LangSmith or LlamaIndex: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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