AI Infrastructure & MLOps Freemium

LangDB

Unified AI gateway with routing, observability, governance, and cost controls

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PricingFreemium
Starting price$49/mo annual
Free planYes
Free trialYes
APIYes
Open sourceNo
DeploymentHybrid
Last verifiedJuly 29, 2026
Overview

Tool overview

LangDB is listed under AI Infrastructure & MLOps AI tools.

Summary

What is LangDB?

LangDB provides an OpenAI-compatible gateway to more than 250 models. Teams can route requests, trace agents, monitor usage, set budgets, create virtual models, apply guardrails, manage access, and choose managed cloud or self-hosted enterprise deployment.

Best fit

Best for

Teams centralizing model access, observability, and governance behind one API

Audience

Who is it for?

AI application developersPlatform engineering teamsLLMOps and observability teamsEnterprise security and governance teams
Recommendation

Decision note

Confirm annual versus monthly pricing, log volume, retention, virtual models, guardrails, SSO, routing behavior, self-hosted licensing, data residency, model markup, and support.

Capabilities

Key features

OpenAI-compatible access to 250-plus models

Provider routing and automatic model selection

Tracing, logs, analytics, and agent observability

Project budgets, cost groups, and spending limits

Virtual models, guardrails, roles, and SSO

Managed cloud and self-hosted enterprise deployment

Workflows

Use cases

Routing applications across model providers

Observing and debugging agent workflows

Controlling LLM cost by project and user

Deploying a governed enterprise AI gateway

Strengths

Pros

  • Permanent free tier is published
  • Uses a familiar OpenAI API format
  • Supports cloud and self-hosted deployment
Considerations

Cons

  • Model-provider charges remain separate
  • Higher governance limits require paid tiers
  • Tracing sensitive prompts needs strict controls
Considerations

Limitations

LangDB can route to unavailable or unsuitable models, record sensitive traces, or misapply budgets and guardrails. Teams must protect keys, configure retention, test fallbacks, verify costs, restrict access, and review provider-specific data policies.

Cost

Pricing details

Pricing modelFreemium
Starting price$49/mo annual
Free planYes
Free trialYes
Pricing context

Billing options

Free planAnnual subscriptionMonthly subscriptionCustom enterprise license
Pricing context

Pricing note

LangDB Free costs $0 and includes one project, 2,000 logs monthly, and seven-day retention. Professional starts at $49 per month when billed annually. Business starts at $199 per month, while Enterprise terms are custom.

View official pricing
Compatibility

Supported languages

  • English
Connectivity

Integrations

OpenAI API format

LangChain

MCP

Google Workspace

Model providers

Specs

Technical details

PlatformsWeb, API
Multilingual supportUnknown
Login requiredYes
Open sourceNo
DeploymentHybrid
CompanyDozer Data Pte Ltd
Models / versionsAI Gateway Auto Router Virtual Models Tracing Guardrails
Editions / plansFree, Basic, Professional, Organization, and Custom plans
Data confidenceHigh
Last verifiedJuly 29, 2026
Documentation → Release notes → Data source →
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Answers

Frequently asked questions

LangDB provides an OpenAI-compatible gateway to more than 250 models. Teams can route requests, trace agents, monitor usage, set budgets, create virtual models, apply guardrails, manage access, and choose managed cloud or self-hosted enterprise deployment.
Teams centralizing model access, observability, and governance behind one API
The listed pricing model for LangDB is Freemium. Pricing can change, so users should verify the latest plan details on the official website.
Yes. The current profile indicates that a free trial is available.
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