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Software Development · head to head

Factory vs Langwatch

Factory logo

Factory

Software Development

The autonomy stack for enterprise teams

From
$20/month
Rated
-
Langwatch logo

Langwatch

Machine Learning

LLM engineering platform for testing and evaluating AI agents in production

From
Free
Rated
-

The short version

  • Only Langwatch has a free tier, so it costs nothing to try first.
  • Each has a real cost: Factory business and Enterprise plans require direct sales contact for pricing; Langwatch free plan limited to 50k events per month, restricting larger deployments

Where they differ

Only the attributes on which Factory and Langwatch actually diverge.

Attributes where Factory and Langwatch differ
AttributeFactoryLangwatch
Starting price$20/monthFree
Pricing modelsubscriptionTiered subscription with usage-based overage charges
Free tierNoYes
PlatformsWebWeb, Docker, Kubernetes
CategorySoftware DevelopmentMachine Learning

Identical on both: user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Factory

Nothing recorded that Langwatch does not also cover.

Only in Langwatch

  • Agent simulation testing
  • LLM evaluation
  • OpenTelemetry tracing
  • Langy AI Engineer
  • Governance controls
  • Multiple deployment options
  • Framework support

What people use each for

The jobs each tool is most often brought in to do.

Factory

  • AI agent development and deploymentnot Langwatch
  • Multi-platform automationnot Langwatch
  • Background task executionnot Langwatch
  • Agent orchestrationnot Langwatch

Langwatch

  • Continuous testing of AI agents before production deploymentnot Factory
  • Automated test creation from product requirementsnot Factory
  • LLM response quality evaluation and scoringnot Factory
  • Production agent monitoring and cost trackingnot Factory
  • Governance and access control for AI systemsnot Factory

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Factory

  • Business and Enterprise plans require direct sales contact for pricing
  • Individual plans (Pro, Plus, Max) have limited feature details

Langwatch

  • Free plan limited to 50k events per month, restricting larger deployments
  • Pricing in EUR may complicate budgeting for US-based teams
  • Usage-based overage model can create unpredictable costs
  • Self-hosted option requires DevOps expertise

Pricing, plan by plan

Factory

$20/month
  • Pro$20/month
    • Agent-native multi-platform experience
    • Desktop, CLI, and SDK access
    • Cloud and local background agents
  • Plus$100/month
    • Everything in Pro
    • Approximately 5x usage limits
    • Droid Computers for remote agents
  • Max$200/month
    • Everything in Plus
    • Approximately 10x usage limits
    • Early access to new features
  • Business$null/mo

Langwatch

Free
  • DeveloperFree
    • 50k events per month
    • 14-day data access
    • 2 users
  • Growth$29/month
    • 200k events per month included
    • 5 EUR per 100k additional events
    • 30-day data retention
  • Enterprise$undefined/custom
    • Custom event limits
    • Hybrid, self-hosted or on-premises deployment
    • Custom SSO and RBAC

Which should you pick?

Choose Factory if

Nothing in the data separates Factory from Langwatch on the points above - pick on price and on how each one feels to use.

Choose Langwatch if

  • You need agent simulation testing.
  • You want to start without paying.
  • You work on Web, Docker, Kubernetes.
  • You also want llm evaluation.

Questions people ask

Is Factory or Langwatch better?
Neither clearly leads. Factory starts at $20/month and Langwatch at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Factory or Langwatch?
Langwatch has a free tier; the other does not. Paid plans start at $20/month for Factory and Free for Langwatch.
Does Factory or Langwatch run on more platforms?
Factory runs on Web. Langwatch runs on Web, Docker, Kubernetes.
Can I use Langwatch for free?
Yes. Langwatch has a free tier, so you can try it without paying. Factory starts at $20/month.
What is Factory best used for?
Factory is most often used for ai agent development and deployment, multi-platform automation, background task execution, agent orchestration. Of those, ai agent development and deployment and multi-platform automation are not what Langwatch is typically brought in for.
What can Factory do that Langwatch cannot?
Langwatch covers Agent simulation testing, LLM evaluation, OpenTelemetry tracing, Langy AI Engineer.

Answered from the vendors’ own pages

Factory: What is Factory.ai's pricing?

Factory.ai offers individual plans starting at USD$20 per month for Pro, USD$100 per month for Plus, and USD$200 per month for Max. Team plans including Business and Enterprise tiers are available at custom pricing based on the number of seats required.

Source
Langwatch: Is there a permanent free tier?

Yes, Langwatch's Developer plan is free forever with 50k events per month, 14-day data access, 2 users, and no credit card required. It is specifically designed for individual developers prototyping AI applications.

Source
Factory: What are the usage limits for each plan?

The Pro plan is the baseline tier. Plus provides approximately 5 times the usage limits of Pro, while Max provides approximately 10 times the usage limits of Pro. Exact usage limits are not specified on the pricing page.

Source
Langwatch: What is Langy and how does it save time?

Langy is an AI-powered tool that automates test creation. It converts product requirements into test scenarios, runs simulations, scores results, and generates pull requests with fixes in a median of 14 minutes.

Source
Factory: What AI models are included with Factory.ai?

All Factory.ai plans include access to GPT-5, Claude Opus and Sonnet, Google Gemini, and open-weight models. Business and Enterprise plans also include dedicated compute with partitioned inference and options for on-premise deployment.

Source
Langwatch: What frameworks does Langwatch support?

Langwatch works with LangGraph, LangChain, CrewAI, OpenAI Agents, AWS Bedrock, Azure OpenAI, Vertex AI, and other major LLM frameworks and platforms.

Source
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