vioscale
Comparison

LangChain vs Ollama

No clear leader: LangChain (80.7) and Ollama (79.5) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

LangChain full profile →Ollama full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
LangChain81
Ollama80
Score
Vioscale score
LangChain81 / 100medium · 70%updating
Ollama80 / 100medium · 61%updating
Pricing
Free tier
LangChain✓
Ollama✓
Model
LangChainfreemium
Ollamacommercial
Price level
LangChainmid
Ollamamid
Starting price
LangChain$39
Ollama$20
Transparent
LangChain✓
Ollama✓
Integrations
Count
LangChain1,000
Ollama40,000
Security
Disclosure policy
LangChain✓
Ollama–
Gdpr
LangChain✓
Ollama✓
Hipaa
LangChain✓
Ollama–
Iso27001
LangChain✓
Ollama–
Scorecard
LangChain5.9
Ollama–
Soc2
LangChain✓
Ollama–
Vulnerabilities
Reliability
Sla pct
LangChain99.5
Ollama–
Status page
LangChain✓
Ollama–
Adoption
Dependent repos
LangChain18,663
Ollama0
Github stars
LangChain145,063
Ollama179,509
Package downloads weekly
LangChain2,967,570
Ollama4,843,586
Activity
Commits last 30d
LangChain100
Ollama100
Release
Cadence days
LangChain–
Ollama2
History
LangChain20 items
Ollama20 items
License
Spdx
LangChainMIT
OllamaMIT
Language
Primary
LangChainPython
OllamaGo
Market
Availability
Content
Faq
LangChain–
Ollama7 items

Capabilities

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

Core
Tool role
LangChainLLM observability / eval
OllamaEnd-to-end ML platform
Deployment
Self-hostable / OSS core
LangChain✓
Ollama✓
Managed cloud available
LangChain✓
Ollama✓
On-prem / VPC deployment
LangChain✓
Ollama✓
Observability
LLM tracing / observability
LangChain✓
Ollama✓
Evaluation (offline / LLM-judge / human)
LangChain✓
Ollama✓
Dev
Prompt management + versioning
LangChain✓
Ollama✓
Tracking
Experiment tracking / model registry
LangChain-
Ollama-
Serving
Model serving / inference endpoint
LangChain✓
Ollama✓
Interop
OpenTelemetry / OpenLLMetry compatible
LangChain✓
Ollama✓
Framework-agnostic
LangChain✓
Ollama✓
Gateway
Multi-provider model support
LangChain✓
Ollama✓
Data
No-train-on-customer-data guarantee
LangChainUnknown
OllamaYes

What each one is

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

LangChain

LangSmith provides observability through tracing to debug agent behavior, evaluation capabilities to test and score agents with human review and automated assessments, and deployment services to run agents at scale.

Independently observed

Ollama

A platform for running open-source language models through CLI, API, or desktop interfaces, with broad integration support for development tools. Provides both private local execution and cloud-hosted inference while maintaining strict data privacy and refusing to train on user inputs.

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

from $39/seat/moSubscriptionFree tier

Free Developer plan (5k traces). Plus plan $39/seat/month. Enterprise custom. Usage-based pricing for compute (LCU=$1.50) and storage (LSU=$1.00).

  • DeveloperFree
    • 1 free seat
    • 5k base traces/month
    • Tracing and analytics
    • Access to LangSmith platform
  • Plus$39/seat/month + usage (LCU/LSU), 10k traces included, 1 free small deployment
    • Unlimited seats
    • 10k base traces/month
    • 1 free small serverless deployment
    • Full tracing and analytics
    • Evaluation tools
  • EnterpriseContact sales
    • Advanced administration
    • Dedicated support
    • Custom deployments
    • White-glove onboarding
    • Proactive monitoring
    • +1 more
as of verify ↗

Ollama

from $20/mofreemiumFree tier

Free tier available. Paid plans from $20/mo (Pro) to $100/mo (Max) for individuals; $25/seat/mo for teams (min. 5 seats).

  • FreeFree
    • Unlimited public models
    • 40,000+ community integrations
    • CLI, API, and desktop apps
    • Run models on your own hardware
    • Access cloud models
    • +1 more
  • Pro$20/mo or $200/year
    • Everything in Free
    • Access larger, more powerful cloud models
    • Run 3 cloud models concurrently
    • Upload and share private models
    • Extra usage balance available
  • Max$100/mo (new signups paused)
    • Everything in Pro
    • Run 10 cloud models concurrently
    • Extra usage balance available
  • Team$25/seat/mo (minimum 5 seats = $125/mo)
    • Access to powerful open models in US and Europe
    • High performance (up to 2x faster than competing gateways)
    • Zero data retention and logging
    • Shared billing and administration
    • Priority support
    • +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
LangChain✓
Ollama✓
Windows
LangChain✗
Ollama✓
Linux
LangChain✗
Ollama✓
CLI
LangChain✗
Ollama✓
Deployment
Cloud / SaaS
LangChain✓
Ollama✓
Self-hosted
LangChain✓
Ollama✓
On-premise
LangChain✗
Ollama✓
Hybrid
LangChain✓
Ollama✗

Integrations

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

In common (1)
  • Anthropic

LangChain

9 total - 8 not shared
  • OpenAI
  • Cohere
  • Google
  • Azure OpenAI
  • Azure AI Search
  • Microsoft Fabric
  • Azure Kubernetes Service
  • OpaquePrompts
Independently observed

Ollama

64 total - 63 not shared
  • Claude Code
  • OpenClaw
  • OpenCode
  • Codex
  • Copilot
  • Droid
  • Open WebUI
  • Onyx
  • LibreChat
  • Lobe Chat
  • NextChat
  • Perplexica
  • big-AGI
  • Lollms WebUI
  • ChatOllama
  • Bionic GPT
  • Chatbot UI
  • Hollama
  • Chatbox
  • Ollama RAG Chatbot
  • Dify.AI
  • AnythingLLM
  • Maid
  • Witsy
  • +39 more
Independently observed

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