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Software Development · head to head

Codacy vs Langwatch

Codacy logo

Codacy

Software Development

Automated code review platform for code quality and security scanning.

From
Free
Rated
-
Full reviewWebsite
Langwatch logo

Langwatch

Machine Learning

LLM engineering platform for testing and evaluating AI agents in production

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Codacy team plan is capped at 30 developers before Business pricing is required.; Langwatch free plan limited to 50k events per month, restricting larger deployments
  • They diverge on capability: Codacy covers Automated code review, Langwatch covers Agent simulation testing.

Where they differ

Only the attributes on which Codacy and Langwatch actually diverge.

Attributes where Codacy and Langwatch differ
AttributeCodacyLangwatch
Pricing modelfreemiumTiered subscription with usage-based overage charges
Platformsweb, apiWeb, Docker, Kubernetes
CategorySoftware DevelopmentMachine Learning

Identical on both: starting price (Free), free tier (Yes), 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 Codacy

  • Automated code review
  • Security scanning
  • IDE plugin
  • Merge gates
  • Coverage reports
  • Jira and Slack integration

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.

Codacy

  • Automating pull request code reviewnot Langwatch
  • Enforcing shared coding standards across teamsnot Langwatch
  • Scanning for secrets and vulnerable dependenciesnot Langwatch
  • Tracking test coverage over timenot Langwatch
  • Blocking merges that fail quality gatesnot Langwatch

Langwatch

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

Where each one falls short

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

Codacy

  • Team plan is capped at 30 developers before Business pricing is required.
  • Advanced security features like DAST and container scanning are Business-tier only.
  • Business plan pricing is not published and requires contacting sales.
  • Annual plans require 30 days' notice to modify or cancel before renewal.

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

Codacy

Free
  • DeveloperFree
    • IDE plugin with real-time feedback
    • Security and quality scans
    • 38 languages supported
  • Team$18/month
    • Up to 30 developers
    • Up to 100 private repos, unlimited lines of code
    • AI Reviewer
  • Business$undefined/month
    • Unlimited private projects
    • Priority scan queue
    • DAST and container scanning

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 Codacy if

  • You need automated code review.
  • You want to start without paying.
  • You work on web, api.
  • You also want security scanning.
Codacy review

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.
Langwatch review

Questions people ask

Is Codacy or Langwatch better?
Neither clearly leads. Codacy starts at Free and Langwatch at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Codacy or Langwatch?
Codacy starts at Free and Langwatch at Free.
Does Codacy or Langwatch run on more platforms?
Codacy runs on web, api. Langwatch runs on Web, Docker, Kubernetes.
Can I use Codacy for free?
Both have a free tier, so you can try either at no cost before committing.
What is Codacy best used for?
Codacy is most often used for automating pull request code review, enforcing shared coding standards across teams, scanning for secrets and vulnerable dependencies, tracking test coverage over time. Of those, automating pull request code review and enforcing shared coding standards across teams are not what Langwatch is typically brought in for.
What can Codacy do that Langwatch cannot?
Codacy covers Automated code review, Security scanning, IDE plugin, Merge gates. Langwatch covers Agent simulation testing, LLM evaluation, OpenTelemetry tracing, Langy AI Engineer.

Answered from the vendors’ own pages

Codacy: What does Codacy cost?

The Developer plan is free forever; Team starts at $18/dev/month billed yearly (or $21 monthly); Business is custom-priced for enterprise requirements.

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
Codacy: Is there a free plan, and what are its limits?

Yes, the Developer plan is free forever for individuals, including IDE feedback, scan-as-you-type, and security and quality scans across 38 languages.

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
Codacy: Can I try Codacy before paying?

Codacy offers a 14-day free trial with full platform access and no credit card required.

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
Codacy: What does it integrate with?

Codacy integrates with GitHub, Bitbucket, and GitLab for cloud-hosted scans, plus Jira and Slack for team notifications.

Source
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