vioscaleAI
Comparison

LangChain vs smolagents

On the evidence we track, LangChain leads this comparison with a composite score of 79/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

LangChain full profile →smolagents full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★LangChain79
smolagents52
Score
vioscaleAI score
LangChain79 / 100medium · 69%
smolagents52 / 100low · 34%
Pricing
Free tier
LangChain✓
smolagents✓
Model
LangChainfreemium
smolagentsfreemium
Price level
LangChainmid
smolagentslow
Starting price
LangChain$39
smolagents$9
Transparent
LangChain✓
smolagents✓
Integrations
Count
LangChain1,000
smolagents1
Security
Disclosure policy
LangChain✓
smolagents✓
Gdpr
LangChain✓
smolagents–
Hipaa
LangChain✓
smolagents–
Iso27001
LangChain✓
smolagents–
Scorecard
LangChain5.8
smolagents–
Soc2
LangChain✓
smolagents–
Trust center
Vulnerabilities
Reliability
Sla pct
LangChain99.5
smolagents–
Status page
LangChain✓
smolagents–
Adoption
Dependent repos
LangChain18,663
smolagents0
Github stars
LangChain147,461
smolagents29,849
Package downloads weekly
LangChain3,725,877
smolagents–
Activity
Commits last 30d
LangChain100
smolagents5
Release
Cadence days
LangChain–
smolagents14
History
LangChain20 items
smolagents20 items
License
Spdx
LangChainMIT
smolagentsApache-2.0
Language
Primary
LangChainPython
smolagentsPython
Market
Availability
Content
Faq
LangChain8 items
smolagents6 items

Capabilities

Feature-by-feature on the axes that matter for ai agent frameworks. “-” means undocumented, not absent.

Capabilities
Orchestration model
LangChainMulti agent sequential
smolagentsMulti agent hierarchical
Model provider agnostic
LangChain✓
smolagents✓
Tool function calling
LangChain✓
smolagents✓
Code execution sandbox
LangChain✓
smolagents✓
Memory architecture
LangChainPersistent
smolagentsSession
Mcp support
LangChain✓
smolagents-
A2a support
LangChain✓
smolagents-
Human in the loop
LangChain✓
smolagents-
Streaming output
LangChain✓
smolagents-
Structured output
LangChain-
smolagents-
Multi language SDK
LangChain✓
smolagents-
Deployment model
LangChainManaged platform
smolagentsLibrary self hosted
Open source
LangChain✓
smolagents✓
Pricing model
LangChainUsage based saas
smolagentsOpen source self host

What each one is

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

LangChain

Leader

A unified developer platform consisting of open-source frameworks and commercial tools for building, testing, monitoring, and deploying AI agents and LLM-powered applications.

Independently observed

smolagents

A hub for discovering, sharing, and collaborating on machine learning models and datasets with integrated tools for inference deployment and interactive demonstrations.

Independently observed

Pricing

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

LangChain

Leader
from $39/seat/moHybridFree tier

Free Developer plan. Plus plan from $39/user/mo with unlimited seats. Enterprise custom pricing billed annually.

  • DeveloperFree
    • 1 free seat
    • 5000 base traces per month
    • Full LangSmith access
  • Plus$39/seat/month, unlimited seats, 10k traces/month included
    • Unlimited seats
    • 10000 base traces per month
    • 1 free small serverless deployment
    • Team collaboration
    • LangSmith Deployment service access
  • EnterpriseContact sales
    • Advanced administration options
    • Enhanced security controls
    • Priority support
    • Custom deployment options
as of verify ↗

smolagents

from $9/moHybridFree tier

From $9/month. Free tier available. Usage-based storage and compute.

  • Pro$9/month
    • Private storage
    • 2x public storage capacity
    • Monthly inference credits
    • Spaces hosting
    • Enhanced ZeroGPU quota
    • +3 more
  • Team$20/user/month
  • EnterpriseContact sales
as of verify ↗

Platform & deployment

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

Platforms
Web
LangChain✓
smolagents✓
Deployment
Cloud / SaaS
LangChain✓
smolagents✓
Self-hosted
LangChain✓
smolagents✗
Hybrid
LangChain✓
smolagents✗

Integrations

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

In common (2)
  • OpenAI
  • Anthropic

LangChain

Leader
11 total - 9 not shared
  • Cohere
  • Google
  • Azure OpenAI
  • Azure AI Search
  • Microsoft Fabric
  • Azure Kubernetes Service
  • OpaquePrompts
  • AWS
  • MCP (Model Context Protocol)
Independently observed

smolagents

11 total - 9 not shared
  • LiteLLM
  • Ollama
  • Transformers
  • DuckDuckGoSearchTool
  • Hugging Face Inference API
  • Together AI
  • Groq
  • PyCharm
  • Kaggle
Independently observed
Still deciding?

LangChain or smolagents: 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.