# LangChain

> Observe, Evaluate, and Deploy Reliable AI Agents

- **Canonical URI:** https://www.vioscale.ai/software/langchain
- **Category:** MLOps & LLMOps Tools
- **Homepage:** https://www.langchain.com
- **Also known as:** langchain
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-03T22:50:23.263Z

## Vioscale score

**76 / 100**, confidence 55% (medium).

Composite of weighted, independently-sourced signals (no user reviews, no vendor payment).

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| price_level | 80 | 10 | 800 | ✓ |
| reliability | 50 | 12 | 600 | ✓ |
| capabilities | 100 | 32 | 3200 | ✓ |
| github_stars | 97.3 | 5 | 486.4 | ✓ |
| integrations | 20.1 | 18 | 361.8 | ✓ |
| github_activity | 63.1 | 18 | 1135.8 | ✓ |
| release_cadence | 0 | 10 | 0 | - |
| security_posture | 80 | 12 | 960 | ✓ |
| package_downloads | 83.7 | 26 | 2175.4 | ✓ |
| pricing_transparency | 100 | 16 | 1600 | ✓ |
| stackoverflow_activity | 0 | 12 | 0 | - |

## Pricing

_As of 2026-08-03, [verify at source](https://www.langchain.com). Independently observed._

from $1/mo · Hybrid · Free tier

> Free Developer plan, Plus at $39/seat/month, Enterprise custom pricing. All plans include metered usage charges: LCU $1.50, LSU $1.00.

| Plan | Price | Free | Commitment |
|---|---|:--:|---|
| Developer | Free | ✓ | monthly |
| Plus | $39/seat/month + usage-based charges | - | monthly |
| Enterprise | Contact sales | - | - |

### Developer

For solo users getting started

**Included limits:** seats: 1, base_traces: 5k/mo

- Up to 5k base traces/mo
- Pay-as-you-go for additional traces
- Community support
- 1 seat
- Observability & Evaluation

### Plus

For teams building and deploying agents

**Included limits:** seats: unlimited, base_traces: 10k/mo

- Up to 10k base traces/mo
- Unlimited seats
- Access to Deployment, Engine, and more
- 25 LCU Fleet usage/mo included
- 1 free Serverless deployment included

### Enterprise (Contact sales)

For teams with advanced hosting, security, and support needs

- Custom pricing
- Custom trace volume
- Self-hosted and hybrid deployment options
- Custom SSO, ABAC, and RBAC
- Support SLA
- Custom seats and workspaces

## About

LangSmith is an all-in-one developer platform for building, observing, evaluating, and deploying LLM-powered agents across the application lifecycle. Framework-agnostic with support for multiple SDKs (Python, TypeScript, Go, Java) and model providers.

_Independently observed._

## Platform & deployment

- **Platforms:** CLI, Web
- **Deployment:** Cloud / SaaS, Hybrid, Self-hosted

## Integrations (4)

_Independently observed._

- OpenAI
- Anthropic
- Google
- OpenTelemetry

## Capabilities

_The capabilities that matter for MLOps & LLMOps Tools. "-" = undocumented, not absent._

| Capability | Supported |
|---|:--:|
| **Core** | |
| Tool role | End-to-end ML platform |
| **Deployment** | |
| Self-hostable / OSS core | ✓ |
| Managed cloud available | ✓ |
| **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 | ✓ |
| **Gateway** | |
| Multi-provider model support | ✓ |
| **Interop** | |
| Framework-agnostic | ✓ |
| **Data** | |
| No-train-on-customer-data guarantee | Unknown |
| **Deployment** | |
| On-prem / VPC deployment | ✓ |

## Facts

Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule.

### activity

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| activity.commits_last_30d | 100 | [link](https://github.com/langchain-ai/langchain/pulse) | 2026-08-03 | 65% (medium) |

### adoption

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| adoption.github_stars | 143,345 | [link](https://github.com/langchain-ai/langchain) | 2026-08-03 | 90% (high) |
| adoption.package_downloads_weekly | 2,765,067 | [link](https://www.npmjs.com/package/langchain) | 2026-08-03 | 85% (high) |

### integrations

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| integrations.count | 4 | [link](https://www.langchain.com) | 2026-08-03 | 60% (medium) |

### language

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| language.primary | Python | [link](https://github.com/langchain-ai/langchain) | 2026-08-03 | 90% (high) |

### license

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| license.spdx | MIT | [link](https://github.com/langchain-ai/langchain) | 2026-08-03 | 99% (high) |

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.free_tier | yes | [link](https://www.langchain.com) | 2026-08-03 | 60% (medium) |
| pricing.model | commercial | [link](https://www.langchain.com) | 2026-08-03 | 40% (low) |
| pricing.price_level | low | [link](https://www.langchain.com) | 2026-08-03 | 60% (medium) |
| pricing.starting_gbp | 1 | [link](https://www.langchain.com) | 2026-08-03 | 60% (medium) |
| pricing.transparent | yes | [link](https://www.langchain.com) | 2026-08-03 | 60% (medium) |

### reliability

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| reliability.status_page | yes | [link](https://www.langchain.com) | 2026-08-03 | 60% (medium) |

### security

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| security.gdpr | yes | [link](https://trust.langchain.com) | 2026-08-03 | 75% (high) |
| security.hipaa | yes | [link](https://trust.langchain.com) | 2026-08-03 | 75% (high) |
| security.iso27001 | yes | [link](https://trust.langchain.com) | 2026-08-03 | 75% (high) |
| security.soc2 | yes | [link](https://trust.langchain.com) | 2026-08-03 | 75% (high) |

---
*Source: Vioscale (https://www.vioscale.ai/software/langchain). Independent, evidence-based software intelligence. Cite the canonical URI.*