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Freeplay vs Langfuse

Freeplay or Langfuse? Their plans monthly and yearly, the capabilities their makers state, security and latest updates, side by side — read from the makers' own pages.

In short

  • Only Langfuse states: Command line, Choice of models, Self-hosted, API, Official SDKs, Traces and evaluates

Freeplay

Freeplay helps AI teams manage prompts, datasets, evaluations, experiments, and production observability.

Plans

Free

$0/month

  • Unlimited users
  • Unlimited auto-evals
  • 10,000 completions logged per month
  • 1 project
  • 10 test runs per month
  • $5 Freeplay credits

Growth

Starts at $500/month*

  • Unlimited users
  • Unlimited auto-evals
  • 100,000 completions logged per month
  • 5 projects
  • 50 test runs per month
  • Custom options available

Enterprise

Custom Pricing

  • 500,000 completions per month
  • Self-hosting
  • SSO / SAML
  • SLAs
  • Bring your own models
  • Dedicated Forward Deployed AI Engineer
  • Custom trainings & premium support services

Prices checked 2026-09-25 on the maker’s page.

Latest updates

  • Freeplay MCP Server (Experimental)

    Integrate Freeplay capabilities into MCP-compatible tools and workflows with an experimental Model Context Protocol server.

  • 🏚️ Project Home Page

    Added a Home page to every project with key metrics, insights about the project, and bookmark-able metrics.

  • 🤖 Models

    Claude Opus 4.6 added to the prompt playground; Claude Haiku 4 models support image and file uploads via Anthropic API and AWS Bedrock.

About Freeplay

Langfuse

Langfuse traces, evaluates, and monitors AI agents and LLM applications, with prompt management, experiments, and cost analytics.

Plans

Hobby

Free

  • 50k units / month included
  • 30 days data access
  • 2 users
  • Community support via GitHub
  • All platform features (with limits)

Core

  • $29 / month
  • $8/100k units
  • 100k units / month included
  • 90 days data access
  • Unlimited users
  • In-app support
  • Everything in Hobby

Pro

  • $199 / month
  • $8/100k units
  • 100k units / month included
  • 3 years data access
  • Data retention management
  • Unlimited annotation queues
  • High rate limits
  • Prioritized in-app support

Enterprise

  • $2499 / month
  • $8/100k units
  • 100k units / month included
  • Audit Logs
  • SCIM API
  • Custom rate limits
  • Uptime SLA
  • Named lead support engineer

Prices checked 2026-09-25 on the maker’s page.

Capabilities

  • Command line — “Langfuse CLI Full API access from the terminal for agent workflows, scripts, and CI/CD.” source
  • Choice of models — “Test prompts on real production inputs and compare models side-by-side.” source
  • Self-hosted — “Self-host at scale” source
  • API — “REST APIs for everything” source
  • Official SDKs — “Best-in-class SDKs: Native SDKs for Python and JavaScript” source
  • Traces and evaluates — “Trace, evaluate, and improve AI agents with one open platform.” source

Security

  • SOC 2 Type II — “The production service is based on the same open-source Langfuse codebase, is covered by SOC 2 Type II and ISO 27001 audits, and undergoes annual third-party penetration tests.” source
  • SOC 2 — “We take active steps to demonstrate our commitment to data security and privacy such as annual SOC2 Type 2 and ISO27001 audits as well as External Penetration Tests.” source
  • ISO 27001 — “The production service is based on the same open-source Langfuse codebase, is covered by SOC 2 Type II and ISO 27001 audits, and undergoes annual third-party penetration tests.” source
  • GDPR — “Langfuse is GDPR compliant, and offers data retention, data masking and data deletion capabilities to manage the processing of personal data .” source
  • HIPAA — “We offer a DPA , provide a HIPAA-ready region , and adhere to our Privacy Policy .” source
  • Data kept in the EU — “Langfuse Cloud – fully-managed SaaS (multi-tenant) with US, EU, Japan, and HIPAA data regions” source

Latest updates

About Langfuse