Comparison

DSPy vs LangChain

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.

DSPy full profile →LangChain full profile →

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DSPy54

★LangChain79

Attribute comparison across 2 tools
Attribute	DSPy	LangChainLeader
vioscaleAI score	54 / 100medium · 58%	79 / 100medium · 69%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	open_source	freemium
Price levelpricing.price_level	free	mid
Starting pricepricing.starting_price	-	$39
Transparentpricing.transparent	✓	✓
Integrations
Countintegrations.count	1	1,000
Security
Disclosure policysecurity.disclosure_policy	-	✓
Gdprsecurity.gdpr	-	✓
Hipaasecurity.hipaa	-	✓
Iso27001security.iso27001	-	✓
Scorecardsecurity.scorecard	-	5.8
Soc2security.soc2	-	✓
Trust centersecurity.trust_center	-	https://www.langchain.com/blog/building-governed-agents-a-framework-for-cost-control-and-compliance
Vulnerabilitiessecurity.vulnerabilities	Count: 1 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=dspy&per_page=100 · Last 12m: 1 · Max severity: MODERATE	Count: 21 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=langchain&per_page=100 · Last 12m: 2 · Max severity: CRITICAL
Reliability
Sla pctreliability.sla_pct	-	99.5
Status pagereliability.status_page	✓	✓
Adoption
Dependent reposadoption.dependent_repos	3	18,663
Github starsadoption.github_stars	38,644	147,461
Package downloads weeklyadoption.package_downloads_weekly	93,838	3,725,877
Activity
Commits last 30dactivity.commits_last_30d	67	100
Release
Cadence daysrelease.cadence_days	17	-
Historyrelease.history	20 items	20 items
License
Spdxlicense.spdx	MIT	MIT
Language
Primarylanguage.primary	Python	Python
Market
Availabilitymarket.availability	Available worldwide · HQ US	Available worldwide
Content
Faqcontent.faq	6 items	8 items

Score

vioscaleAI score

DSPy54 / 100medium · 58%

LangChain79 / 100medium · 69%

Pricing

Free tier

DSPy✓

LangChain✓

Model

DSPyopen_source

LangChainfreemium

Price level

DSPyfree

LangChainmid

Starting price

DSPy–

LangChain$39

Transparent

DSPy✓

LangChain✓

Integrations

Count

DSPy1

LangChain1,000

Security

Disclosure policy

DSPy–

LangChain✓

Gdpr

DSPy–

LangChain✓

Hipaa

DSPy–

LangChain✓

Iso27001

DSPy–

LangChain✓

Scorecard

DSPy–

LangChain5.8

Soc2

DSPy–

LangChain✓

Trust center

DSPy–

LangChainhttps://www.langchain.com/blog/building-governed-agents-a-framework-for-cost-control-and-compliance

Vulnerabilities

DSPyCount: 1 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=dspy&per_page=100 · Last 12m: 1 · Max severity: MODERATE

LangChainCount: 21 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=langchain&per_page=100 · Last 12m: 2 · Max severity: CRITICAL

Reliability

Sla pct

DSPy–

LangChain99.5

Status page

DSPy✓

LangChain✓

Adoption

Dependent repos

DSPy3

LangChain18,663

Github stars

DSPy38,644

LangChain147,461

Package downloads weekly

DSPy93,838

LangChain3,725,877

Activity

Commits last 30d

DSPy67

LangChain100

Release

Cadence days

DSPy17

LangChain–

History

DSPy20 items

LangChain20 items

License

Spdx

DSPyMIT

LangChainMIT

Language

Primary

DSPyPython

LangChainPython

Market

Availability

DSPyAvailable worldwide · HQ US

LangChainAvailable worldwide

Content

Faq

DSPy6 items

LangChain8 items

Capabilities

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

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

Core

Tool role

DSPyAgent / RAG framework

LangChainLLM observability / eval

Deployment

Self-hostable / OSS core

DSPy✓

LangChain✓

Managed cloud available

DSPy✗

LangChain✓

On-prem / VPC deployment

DSPy✓

LangChain✓

Observability

LLM tracing / observability

DSPy✓

LangChain✓

Evaluation (offline / LLM-judge / human)

DSPy✓

LangChain✓

Dev

Prompt management + versioning

DSPy✓

LangChain✓

Tracking

Experiment tracking / model registry

DSPy✗

LangChain✓

Serving

Model serving / inference endpoint

DSPy✗

LangChain✓

Interop

OpenTelemetry / OpenLLMetry compatible

DSPy✗

LangChain✓

Framework-agnostic

DSPy✓

LangChain✓

Gateway

Multi-provider model support

DSPy✓

LangChain✓

Data

No-train-on-customer-data guarantee

DSPyUnknown

LangChainUnknown

What each one is

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

DSPy

Framework enabling developers to construct AI systems using typed task definitions and modular components, with automatic optimization replacing manual prompt design.

Independently observed

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

Pricing

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

DSPy

Open sourceFree tier

as of 2026-08-14verify ↗

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 2026-10-05verify ↗

Platform & deployment

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

Platform and deployment support comparison
Supports	DSPy	LangChain
WebPlatforms	✓	✓
macOSPlatforms	✓	✗
WindowsPlatforms	✓	✗
LinuxPlatforms	✓	✗
CLIPlatforms	✓	✗
Cloud / SaaSDeployment	✗	✓
Self-hostedDeployment	✓	✓
HybridDeployment	✗	✓

Platforms

Web

DSPy✓

LangChain✓

macOS

DSPy✓

LangChain✗

Windows

DSPy✓

LangChain✗

Linux

DSPy✓

LangChain✗

CLI

DSPy✓

LangChain✗

Deployment

Cloud / SaaS

DSPy✗

LangChain✓

Self-hosted

DSPy✓

LangChain✓

Hybrid

DSPy✗

LangChain✓

Integrations

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

In common (2)

OpenAI
Anthropic

DSPy

2 total - 0 not shared

OpenAI
Anthropic

Independently observed

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

Still deciding?

DSPy or LangChain: 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.