LangChain
An open platform for building and managing AI agents
- Also known as
- langchain
Available worldwide
What is LangChain?
A unified developer platform consisting of open-source frameworks and commercial tools for building, testing, monitoring, and deploying AI agents and LLM-powered applications.
LangChain pricing
Plans, per-tier features and add-ons, dated and linked to live pricing. Pricing changes often; always verify at source before you rely on it.
Free Developer plan. Plus plan from $39/user/mo with unlimited seats. Enterprise custom pricing billed annually.
Developer
FreePersonal projects with full LangSmith access and limited monthly trace allowance
- traces
- 5000/month
- 1 free seat
- 5000 base traces per month
- Full LangSmith access
Plus
Teams with moderate usage, collaboration needs, and one free small serverless deployment
- traces
- 10000/month
- serverless_deployments
- 1 small
- Unlimited seats
- 10000 base traces per month
- 1 free small serverless deployment
- Team collaboration
- LangSmith Deployment service access
Enterprise
Contact salesAdvanced administration, enhanced security, and custom deployment options
- Advanced administration options
- Enhanced security controls
- Priority support
- Custom deployment options
Add-ons
- Serverless Deployments
- Dedicated Deployments
What LangChain does
The capabilities that matter for mlops & llmops tools, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.
- Tool role
- LLM observability / eval
- Self-hostable / OSS core
- ✓
- Managed cloud available
- ✓
- On-prem / VPC deployment
- ✓
- LLM tracing / observability
- ✓
- Evaluation (offline / LLM-judge / human)
- ✓
- Prompt management + versioning
- ✓
- Experiment tracking / model registry
- ✓
- Model serving / inference endpoint
- ✓
- OpenTelemetry / OpenLLMetry compatible
- ✓
- Framework-agnostic
- ✓
- Multi-provider model support
- ✓
- No-train-on-customer-data guarantee
- Unknown
Platform & deployment
Independently observed- Web
- Cloud / SaaS
- Hybrid
- Self-hosted
Integrations (11)
Independently observed- AWS⇄•
- MCP (Model Context Protocol)⇄•
- OpenAI
- Anthropic
- Cohere
- Azure OpenAI
- Azure AI Search
- Microsoft Fabric
- Azure Kubernetes Service
- OpaquePrompts
Security & compliance
Known vulnerabilities: 21 (2 in the last 12 months), max severity CRITICAL sourcea count reflects scale & disclosure, not quality
LangChain FAQ
Common questions about LangChain, answered from independent, dated evidence.
What is LangChain?
An agent engineering platform providing end-to-end observability, evaluation, and deployment capabilities for production AI agents with support for multiple frameworks and deployment modes. It is indexed under MLOps & LLMOps Tools.
Is LangChain free to use?
LangChain is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. A commercial or hosted edition starts at $1. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.
What platforms does LangChain support?
We have confirmed browser-based access to LangChain. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.
Can LangChain be self-hosted?
Yes. LangChain can be deployed cloud / SaaS, hybrid and self-hosted, so it does not have to run on the vendor's infrastructure.
What does LangChain integrate with?
We have confirmed 8 integrations for LangChain, including OpenAI, Anthropic, Cohere, Google, Azure AI Search, Microsoft Fabric, Azure Kubernetes Service and OpaquePrompts. This is what we could verify from public sources, so the vendor may support others we have not indexed.
What security certifications does LangChain have?
We have independently confirmed SOC 2, ISO 27001, HIPAA and GDPR for LangChain. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as LangChain not holding them. Always confirm compliance directly before you rely on it.
Source: https://trust.langchain.com
Is LangChain open source?
Yes. LangChain is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.
Where is LangChain available?
LangChain is available worldwide. The vendor is headquartered in the United States.
LangChain alternatives
Other mlops & llmops tools we track, ranked by the same independent score.
- PortkeyUnified command center for operating AI systems reliably in productionmedium · 74%
- BasetenAn inference platform for deploying AI models to production with high performance and global scalemedium · 72%
- Together AIOpen-source model hosting and inference platformmedium · 59%
- Ollamamedium · 56%
- RayDistributed computing framework for scaling machine learning and Python applicationsmedium · 65%
- MLflowmedium · 67%
Compare LangChain
Side by side against other mlops & llmops tools, attribute by attribute, with a source on every value.
The vioscaleAI score: one lens on the evidence
Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for LangChain, not the verdict.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Package downloads | 85 | 0.14 | 11.6 | ✓ |
| Capabilities | 100 | 0.09 | 9.2 | ✓ |
| Pricing transparency | 100 | 0.08 | 8.4 | ✓ |
| Integrations | 86 | 0.09 | 8.1 | ✓ |
| Development activity | 63 | 0.09 | 5.9 | ✓ |
| Security posture | 85 | 0.06 | 5.4 | ✓ |
| Reliability | 75 | 0.06 | 4.7 | ✓ |
| Dependent projects | 71 | 0.06 | 4.5 | ✓ |
| Price level | 50 | 0.05 | 2.6 | ✓ |
| Stars | 98 | 0.03 | 2.5 | ✓ |
| Security score | 58 | 0.04 | 2.4 | ✓ |
| Release cadence | 0 | 0.05 | 0.0 | - |
| Developer Q&A activity | 0 | 0.06 | 0.0 | - |
Computed . Re-weight it by intent, or see the full method.
All data & sourcesshow ↓
Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.
Activity
| Attribute | Value | Evidence |
|---|---|---|
| Commits last 30d | 100 | mediumsource · 2026-10-05 · 65% |
Adoption
Content
| Attribute | Value | Evidence |
|---|---|---|
| Faq | 8 items | mediumsource · 2026-09-10 · 68% |
Features
| Attribute | Value | Evidence |
|---|---|---|
| Capabilities | Role: observability · Evaluation: Yes · A2a support: Yes · Mcp support: Yes · Open source: Yes · Managed cloud: Yes | mediumsource · 2026-10-05 · 60% |
Integrations
| Attribute | Value | Evidence |
|---|---|---|
| Count | 1,000 | mediumsource · 2026-09-07 · 60% |
Language
| Attribute | Value | Evidence |
|---|---|---|
| Primary | Python | highsource · 2026-10-05 · 90% |
License
| Attribute | Value | Evidence |
|---|---|---|
| Spdx | MIT | highsource · 2026-10-05 · 99% |
Market
| Attribute | Value | Evidence |
|---|---|---|
| Availability | PrimaryMarkets: … · AvailabilityScope: global · AvailableCountries: … · NotAvailableCountries: … | highsource · 2026-10-05 · 75% |
Pricing
Release
| Attribute | Value | Evidence |
|---|---|---|
| History | 20 items | mediumsource · 2026-10-05 · 70% |
Reliability
Security
| Attribute | Value | Evidence |
|---|---|---|
| Gdpr | Yes | highsource · 2026-10-05 · 75% |
| Hipaa | Yes | highsource · 2026-08-03 · 75% |
| Iso27001 | Yes | highsource · 2026-08-03 · 75% |
| Soc2 | Yes | highsource · 2026-08-03 · 75% |
| Disclosure policy | Yes | mediumsource · 2026-08-14 · 60% |
| Scorecard | 5.8 | highsource · 2026-10-05 · 90% |
| Vulnerabilities | Count: 21 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=langchain&per_page=100 · Last 12m: 2 · Max severity: CRITICAL | highsource · 2026-08-26 · 90% |
| Trust center | https://www.langchain.com/blog/building-governed-agents-a-framework-for-cost-control-and-compliance | mediumsource · 2026-10-05 · 60% |
Is LangChain the right choice for you?
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