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HOL Guard vs Langfuse

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

Verdict

HOL Guard is listed under Coding AI and Langfuse under Developer Tools. Langfuse scores higher in FinderAtlas's editorial review (8.4 vs 7.8 out of 10). Both have a free plan or trial. Only HOL Guard is available on macOS and Linux. Only Langfuse is available on Web and offers an API.

Best overall

Langfuse

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

Choose HOL Guard if

  • You want a tool built for approving risky agent actions locally, Protecting secrets from coding agents, Reviewing MCP servers, skills and plugins before use.
  • Open source under Apache-2.0 with public code and release history.
  • Works offline with no account on the free local tier.

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.
Best for beginners
Langfuse
Best for business
HOL Guard

Features

17 features compared.

  • Pre-action interception
    HOL Guard
    Available
    Langfuse
    Not available
  • Policy outcomes
    HOL Guard
    Available
    Langfuse
    Not available
  • Local audit trail
    HOL Guard
    Available
    Langfuse
    Not available
  • MCP, skills and plugin inspection
    HOL Guard
    Available
    Langfuse
    Not available
  • Layered policy
    HOL Guard
    Available
    Langfuse
    Not available
  • Plugin scanner
    HOL Guard
    Available
    Langfuse
    Not available
  • Risk check
    HOL Guard
    Available
    Langfuse
    Not available
  • Coverage matrix
    HOL Guard
    Available
    Langfuse
    Not available
  • Broad agent support
    HOL Guard
    Available
    Langfuse
    Not available
  • Tracing
    HOL Guard
    Not available
    Langfuse
    Available
  • Evaluation
    HOL Guard
    Not available
    Langfuse
    Available
  • Prompt Management
    HOL Guard
    Not available
    Langfuse
    Available
  • Playground
    HOL Guard
    Not available
    Langfuse
    Available
  • Datasets and Experiments
    HOL Guard
    Not available
    Langfuse
    Available
  • Cost and Latency Dashboards
    HOL Guard
    Not available
    Langfuse
    Available
  • Open-Source Self-Hosting
    HOL Guard
    Not available
    Langfuse
    Available
  • APIs and MCP Servers
    HOL Guard
    Not available
    Langfuse
    Available

Pricing

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

  • Pricing model
    HOL Guard
    Freemium
    Langfuse
    Freemium
  • Free plan
    HOL Guard
    Yes
    Langfuse
    Yes
  • Starting price
    HOL Guard
    $0
    Langfuse
    $0
  • Plans
    HOL Guard
    5 plans
    Langfuse
    4 plans

HOL Guard plans

  • Free

    $0

    Local protection on one machine, no account required

    • Local scanning and command interception
    • On-device decisions and change diffs
    • Local policy
    • Offline support
    • Local leaked-secret scanning

  • Solo

    $4.99/month

    Personal Cloud memory across two devices

    • 2 devices
    • 30-day retention
    • 1 GB storage
    • Monitoring of up to 5 GitHub repositories
    • 250 credential validity checks per month

  • Pro

    $15/month

    Longer history and alerts for one person

    • 5 devices
    • 180-day retention
    • 5 GB storage
    • Audit log sync
    • Alert notifications
    • Policy versioning

  • Team

    $30/user/mo

    Shared policy and fleet visibility for teams

    • Up to 25 devices
    • 365-day retention
    • 25 GB plus 5 GB per seat
    • Shared policy
    • Owner queues
    • Fleet dashboards

  • Enterprise

    Custom/custom

    Identity review, evidence export and self-hosted deployment review

    • Identity and access review
    • Redacted evidence export via webhook
    • Volume pricing
    • Self-hosted or VPC deployment review

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

Our ratings

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

HOL Guard
7.8overall
Langfuse
8.4overall

  • Action Interception

    HOL Guard
    8.0
    Langfuse
    Not rated

  • Agent Coverage

    HOL Guard
    7.8
    Langfuse
    Not rated

  • Ease of Setup

    HOL Guard
    7.5
    Langfuse
    Not rated

  • Transparency & Openness

    HOL Guard
    8.6
    Langfuse
    Not rated

  • Pricing Clarity

    HOL Guard
    7.2
    Langfuse
    Not rated

  • Ease of Use

    HOL Guard
    Not rated
    Langfuse
    7.8

  • Feature Depth

    HOL Guard
    Not rated
    Langfuse
    8.8

  • Value for Money

    HOL Guard
    Not rated
    Langfuse
    8.7

  • Performance & Speed

    HOL Guard
    Not rated
    Langfuse
    8.4

  • Documentation & Support

    HOL Guard
    Not rated
    Langfuse
    8.5

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

HOL Guard

Pros

  • Open source under Apache-2.0 with public code and release history
  • Works offline with no account on the free local tier
  • Lets you approve or block actions instead of only logging them
  • Covers MCP servers, skills, plugins and package installs, not just shell commands
  • Publishes a coverage matrix and states its limits openly

Cons

  • Coverage depth varies by agent and event type, and some integrations are alpha
  • Install instructions cover macOS and Linux; Windows support is not stated
  • Cloud tiers add cost, and annual prices are not listed
  • Site has no visible terms or company address on the product page

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.

Platforms

  • Web
    HOL Guard
    Not supported
    Langfuse
    Supported
  • Windows
    HOL Guard
    Not supported
    Langfuse
    Not supported
  • macOS
    HOL Guard
    Supported
    Langfuse
    Not supported
  • iOS
    HOL Guard
    Not supported
    Langfuse
    Not supported
  • Android
    HOL Guard
    Not supported
    Langfuse
    Not supported
  • API
    HOL Guard
    Not supported
    Langfuse
    Supported
  • Browser Extension
    HOL Guard
    Not supported
    Langfuse
    Not supported
  • Linux
    HOL Guard
    Supported
    Langfuse
    Not supported
  • CLI
    HOL Guard
    Supported
    Langfuse
    Supported

Integrations

HOL Guard

7 integrations
  • Claude Code
  • Codex
  • Cursor
  • OpenCode
  • GitHub Copilot CLI
  • GitHub Actions
  • MCP servers

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

Company

  • Company
    HOL Guard
    Hashgraph Online DAO LLC
    Langfuse
    Langfuse
  • Founded
    HOL Guard
    Not listed
    Langfuse
    2023
  • Headquarters
    HOL Guard
    Not listed
    Langfuse
    Berlin, Germany
  • Listing
    HOL Guard
    Claimed
    Langfuse
    Claimed

Frequently asked questions

Is HOL Guard better than Langfuse?

It depends on your workflow. HOL Guard is built for approving risky agent actions locally, Protecting secrets from coding agents, Reviewing MCP servers, skills and plugins before use. Langfuse is built for production tracing and debugging of LLM apps and agents, prompt versioning, and systematic evaluation on real data.

What are the key feature differences between HOL Guard and Langfuse?

HOL Guard: Local approvals for AI coding agent actions before they touch your machine. Langfuse: Open-source platform to trace, evaluate and improve LLM applications and agents.

Does HOL Guard or Langfuse have a free plan?

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

Which is cheaper, HOL Guard or Langfuse?

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