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E2B vs Langfuse

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

Verdict

E2B and Langfuse are both Developer Tools tools. Langfuse scores higher in FinderAtlas's editorial review (8.4 vs 8.2 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 E2B if

  • You want a tool built for running untrusted LLM-generated code, building code interpreters, and giving coding or computer-use agents a disposable Linux environment.
  • Hardware-level isolation through Firecracker microVMs rather than shared-kernel containers.
  • Model- and framework-agnostic, with Python and JavaScript SDKs.

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
E2B
Best for business
E2B

Features

16 features compared.

  • Firecracker microVM Isolation
    E2B
    Available
    Langfuse
    Not available
  • Code and Command Execution
    E2B
    Available
    Langfuse
    Not available
  • Pause, Resume and Fork
    E2B
    Available
    Langfuse
    Not available
  • Network and Secret Controls
    E2B
    Available
    Langfuse
    Not available
  • Persistent Storage
    E2B
    Available
    Langfuse
    Not available
  • Custom Templates
    E2B
    Available
    Langfuse
    Not available
  • Observability
    E2B
    Available
    Langfuse
    Not available
  • Self-Hosting and BYOC
    E2B
    Available
    Langfuse
    Not available
  • Tracing
    E2B
    Not available
    Langfuse
    Available
  • Evaluation
    E2B
    Not available
    Langfuse
    Available
  • Prompt Management
    E2B
    Not available
    Langfuse
    Available
  • Playground
    E2B
    Not available
    Langfuse
    Available
  • Datasets and Experiments
    E2B
    Not available
    Langfuse
    Available
  • Cost and Latency Dashboards
    E2B
    Not available
    Langfuse
    Available
  • Open-Source Self-Hosting
    E2B
    Not available
    Langfuse
    Available
  • APIs and MCP Servers
    E2B
    Not available
    Langfuse
    Available

Pricing

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

  • Pricing model
    E2B
    Freemium
    Langfuse
    Freemium
  • Free plan
    E2B
    Yes
    Langfuse
    Yes
  • Starting price
    E2B
    $0
    Langfuse
    $0
  • Plans
    E2B
    3 plans
    Langfuse
    4 plans

E2B plans

  • Hobby

    $0

    Free start with one-time usage credit, no credit card

    • $100 one-time usage credit
    • 20 concurrent sandboxes
    • up to 1 hour sessions
    • 10 GiB storage

  • Pro

    Most popular

    $150/month

    Production usage with longer sessions and custom sizing

    • 100 concurrent sandboxes
    • up to 24 hour sessions
    • 20 GiB storage
    • custom CPU and RAM
    • plus usage

  • Enterprise

    Custom/custom

    Large deployments with negotiated terms

    • Custom concurrency and limits
    • negotiated credits
    • BYOC option
    • $3,000/month minimum

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.

E2B
8.2overall
Langfuse
8.4overall

E2B leads in 1 category and Langfuse in 3, with 1 tied.

  • Ease of Use

    E2B leads by 0.5
    E2B
    8.3
    Langfuse
    7.8

  • Feature Depth

    Langfuse leads by 0.2
    E2B
    8.6
    Langfuse
    8.8

  • Value for Money

    Langfuse leads by 1.1
    E2B
    7.6
    Langfuse
    8.7

  • Performance & Speed

    Tied
    E2B
    8.4
    Langfuse
    8.4

  • Documentation & Support

    Langfuse leads by 0.3
    E2B
    8.2
    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

E2B

Pros

  • Hardware-level isolation through Firecracker microVMs rather than shared-kernel containers.
  • Model- and framework-agnostic, with Python and JavaScript SDKs.
  • Pause, resume and fork of sandboxes (up to 100 forks) suits parallel agent runs and evaluations.
  • Free Hobby tier with $100 in credits and no credit card.
  • Self-hosting and BYOC options for enterprises, plus SOC 2 Type II compliance.

Cons

  • Pro costs $150/month before usage, a large step up from the one-time Hobby credit.
  • No GPU support; sandboxes are limited to 8 vCPUs and 8 GiB RAM.
  • Hobby sessions are capped at 1 hour of continuous runtime.
  • Enterprise carries a stated $3,000/month minimum.

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
    E2B
    Supported
    Langfuse
    Supported
  • Windows
    E2B
    Not supported
    Langfuse
    Not supported
  • macOS
    E2B
    Not supported
    Langfuse
    Not supported
  • iOS
    E2B
    Not supported
    Langfuse
    Not supported
  • Android
    E2B
    Not supported
    Langfuse
    Not supported
  • API
    E2B
    Supported
    Langfuse
    Supported
  • Browser Extension
    E2B
    Not supported
    Langfuse
    Not supported
  • CLI
    E2B
    Supported
    Langfuse
    Supported

Integrations

E2B

7 integrations
  • Anthropic
  • OpenAI
  • LangChain
  • OpenAI Agents SDK
  • AWS
  • GCP
  • Azure

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
    E2B
    FoundryLabs, Inc. (E2B)
    Langfuse
    Langfuse
  • Founded
    E2B
    2023
    Langfuse
    2023
  • Headquarters
    E2B
    San Francisco, CA
    Langfuse
    Berlin, Germany
  • Listing
    E2B
    Claimed
    Langfuse
    Claimed

Frequently asked questions

Is E2B better than Langfuse?

It depends on your workflow. E2B is built for running untrusted LLM-generated code, building code interpreters, and giving coding or computer-use agents a disposable Linux environment. 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 E2B and Langfuse?

E2B: Secure cloud sandboxes that give AI agents isolated Linux machines to run code. Langfuse: Open-source platform to trace, evaluate and improve LLM applications and agents.

Does E2B or Langfuse have a free plan?

Yes, both do. E2B is freemium and Langfuse is freemium, and each has a free plan or trial.

Which is cheaper, E2B or Langfuse?

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