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Langfuse vs Momentic

Features, pricing, ratings, and pros and cons, side by side.

Verdict

Langfuse and Momentic are both Developer Tools tools. Langfuse scores higher in FinderAtlas's editorial review (8.4 vs 7.9 out of 10), led by feature depth and value for money. Both have a free plan or trial.

Best overall

Langfuse

  • AI Engineers
  • Software Developers
  • ML Engineers
  • Product Teams

Choose Langfuse if

  • You want a tool built for production tracing and debugging of LLM apps and agents, prompt versioning, and systematic evaluation on real data.
  • MIT-licensed core with free self-hosting, avoiding vendor lock-in.
  • Covers tracing, prompt management and evaluation in one platform.

Choose Momentic if

  • You want a tool built for replacing brittle selector-based end-to-end tests, running regression suites in CI, testing web and mobile flows with email and SMS steps.
  • Tests are plain-English YAML in your repo, reviewable and versioned like code.
  • Permanent free plan with 2,000 monthly credits and no credit card.
Best for beginners
Langfuse
Best for business
Langfuse

Features

18 features compared.

  • Tracing
    Langfuse
    Available
    Momentic
    Not available
  • Evaluation
    Langfuse
    Available
    Momentic
    Not available
  • Prompt Management
    Langfuse
    Available
    Momentic
    Not available
  • Playground
    Langfuse
    Available
    Momentic
    Not available
  • Datasets and Experiments
    Langfuse
    Available
    Momentic
    Not available
  • Cost and Latency Dashboards
    Langfuse
    Available
    Momentic
    Not available
  • Open-Source Self-Hosting
    Langfuse
    Available
    Momentic
    Not available
  • APIs and MCP Servers
    Langfuse
    Available
    Momentic
    Not available
  • Plain-English tests
    Langfuse
    Not available
    Momentic
    Available
  • Auto-healing
    Langfuse
    Not available
    Momentic
    Available
  • Failure triage
    Langfuse
    Not available
    Momentic
    Available
  • Knowledge base
    Langfuse
    Not available
    Momentic
    Available
  • Assertions on run video
    Langfuse
    Not available
    Momentic
    Available
  • Email and SMS in tests
    Langfuse
    Not available
    Momentic
    Available
  • Web and mobile coverage
    Langfuse
    Not available
    Momentic
    Available
  • App graph
    Langfuse
    Not available
    Momentic
    Available
  • Coding agent integration
    Langfuse
    Not available
    Momentic
    Available
  • Enterprise controls
    Langfuse
    Not available
    Momentic
    Available

Pricing

Plans as listed by each vendor. Check their sites for current prices.

  • Pricing model
    Langfuse
    Freemium
    Momentic
    Freemium
  • Free plan
    Langfuse
    Yes
    Momentic
    Yes
  • Starting price
    Langfuse
    $0
    Momentic
    $0
  • Plans
    Langfuse
    4 plans
    Momentic
    3 plans

Langfuse plans

  • Hobby

    $0

    Free cloud tier for individuals and early projects

    • 50k units/month
    • 30 days data access
    • 2 users
    • community support

  • Core

    $29/month

    Paid tier for small production teams

    • 100k units/month included
    • 90 days data access
    • unlimited users
    • in-app support

  • Pro

    $199/month

    Teams needing long retention and compliance reports

    • 100k units/month included
    • 3 years data access
    • data retention management
    • SOC 2 and ISO 27001 reports
    • HIPAA BAA available
    • high rate limits

  • Enterprise

    $2,499/month

    Large organizations with security and support requirements

    • Everything in Pro
    • audit logs
    • SCIM API
    • uptime and support SLAs
    • named lead support engineer
    • invoice or AWS Marketplace billing

Momentic plans

  • Free

    $0

    No-card plan for trying the platform

    • 2,000 credits/month
    • 5 concurrent browsers
    • 1 concurrent mobile session
    • 30-day results retention

  • Pay-as-you-go

    Most popular

    $125/month

    Usage-based plan for growing teams

    • 10,000 credits/month
    • 25 concurrent browsers
    • 5 Android and 5 iOS sessions
    • 5 phone numbers
    • shared Slack channel

  • Enterprise

    Custom/custom

    Contract plan for large organizations

    • Custom credit rates and concurrency
    • SAML SSO
    • SCIM
    • audit log
    • uptime SLA
    • dedicated account manager

Our ratings

Scored out of 10 by the Finder Atlas editorial team. Last reviewed November 2026.

Langfuse
8.4overall
Momentic
7.9overall

Langfuse leads in 4 categories and Momentic in 1.

  • Ease of Use

    Momentic leads by 0.2
    Langfuse
    7.8
    Momentic
    8.0

  • Feature Depth

    Langfuse leads by 0.4
    Langfuse
    8.8
    Momentic
    8.4

  • Value for Money

    Langfuse leads by 1.2
    Langfuse
    8.7
    Momentic
    7.5

  • Performance & Speed

    Langfuse leads by 0.6
    Langfuse
    8.4
    Momentic
    7.8

  • Documentation & Support

    Langfuse leads by 0.5
    Langfuse
    8.5
    Momentic
    8.0

Scores weigh documented features, plan value, platform coverage, integrations and user feedback. A missing score means we have not rated that area yet.

Pros and cons

Langfuse

Pros

  • MIT-licensed core with free self-hosting, avoiding vendor lock-in.
  • Covers tracing, prompt management and evaluation in one platform.
  • Free Hobby tier with 50k units per month and no credit card required.
  • Over 100 integrations, plus OpenTelemetry for languages without a native SDK.
  • Core plan at $29/month with unlimited users.

Cons

  • Hobby is limited to 2 users and 30 days of data access.
  • SOC 2, ISO 27001 and HIPAA support start at the $199/month Pro plan, and SSO and RBAC need a $300/month add-on.
  • Audit logs, SCIM and SLAs are restricted to the $2,499/month Enterprise plan.
  • Usage-based unit overage adds cost for high-volume tracing.

Momentic

Pros

  • Tests are plain-English YAML in your repo, reviewable and versioned like code.
  • Permanent free plan with 2,000 monthly credits and no credit card.
  • Auto-healing and failure classification reduce time spent on flaky tests.
  • Covers web, Android and iOS (beta) in one platform, plus email and SMS steps.
  • SOC 2 Type 2 on all plans and MCP access for coding agents.

Cons

  • Free plan stops at 2,000 credits with no top-ups, and mobile sessions are capped at 15 minutes.
  • Pay-as-you-go starts at $125 per month, and mobile minutes are costly (8 to 15 credits per minute).
  • iOS support is in beta and the Mo autonomous agent is in private beta.
  • SAML SSO, SCIM and audit logs are Enterprise only.

Platforms

  • Web
    Langfuse
    Supported
    Momentic
    Supported
  • Windows
    Langfuse
    Not supported
    Momentic
    Not supported
  • macOS
    Langfuse
    Not supported
    Momentic
    Not supported
  • iOS
    Langfuse
    Not supported
    Momentic
    Not supported
  • Android
    Langfuse
    Not supported
    Momentic
    Not supported
  • API
    Langfuse
    Supported
    Momentic
    Supported
  • Browser Extension
    Langfuse
    Not supported
    Momentic
    Not supported
  • CLI
    Langfuse
    Supported
    Momentic
    Supported

Integrations

Langfuse

23 integrations
  • LangChain
  • Vercel AI SDK
  • LiteLLM
  • Pydantic AI
  • Google ADK
  • CrewAI
  • LlamaIndex
  • OpenAI Agents
  • Mastra
  • OpenAI
  • Anthropic
  • Amazon Bedrock
  • Azure OpenAI
  • Google Gemini
  • Mistral AI
  • vLLM
  • Groq
  • Claude Code
  • Cursor
  • Dify
  • n8n
  • PostHog
  • OpenTelemetry

Momentic

6 integrations
  • GitHub
  • GitLab
  • Slack
  • Claude Code
  • Cursor
  • MCP

Company

  • Company
    Langfuse
    Langfuse
    Momentic
    Momentic
  • Founded
    Langfuse
    2023
    Momentic
    Not listed
  • Headquarters
    Langfuse
    Berlin, Germany
    Momentic
    Not listed
  • Listing
    Langfuse
    Claimed
    Momentic
    Claimed

Frequently asked questions

Is Langfuse better than Momentic?

It depends on your workflow. Langfuse is built for production tracing and debugging of LLM apps and agents, prompt versioning, and systematic evaluation on real data. Momentic is built for replacing brittle selector-based end-to-end tests, running regression suites in CI, testing web and mobile flows with email and SMS steps.

What are the key feature differences between Langfuse and Momentic?

Langfuse: Open-source platform to trace, evaluate and improve LLM applications and agents. Momentic: AI QA platform that writes, runs and maintains end-to-end tests from plain English.

Does Langfuse or Momentic have a free plan?

Yes, both do. Langfuse is freemium and Momentic is freemium, and each has a free plan or trial.

Which is cheaper, Langfuse or Momentic?

Both can be used for free. Paid plans differ in limits and features, so compare the tiers in the pricing table above.