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Braintrust vs Langfuse

Braintrust 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 inglese

In short

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

Braintrust

Braintrust helps teams trace AI applications, evaluate outputs, find production issues, and improve agents.

Plans

Starter

  • $0 / month
  • + $4/GB
  • + $2.50/1k
  • $10 model credits/month included
  • 1 GB processed data/month included
  • 10K scores/month included
  • 14-day retention
  • Unlimited users, projects, datasets, playgrounds, and experiments

Pro

  • $249 / month
  • + $3/GB
  • + $1.50/1k
  • + $0.50/GB/mo
  • $100 model credits/month included
  • 5 GB processed data/month included
  • 50K scores/month included
  • 30-day retention
  • Custom charts, environments, priority support, and RBAC
  • Unlimited users, projects, datasets, playgrounds, and experiments

Enterprise

Price on request

  • Custom data retention and export
  • RBAC and premium support
  • On-prem or hosted deployment for high-volume or privacy-sensitive data

Prices checked 2026-09-26 on the maker’s page.

Capabilities

  • Choice of models — “compare prompts and models side-by-side” source
  • Self-hosted — “Deploy Brainstore data plane on your own infrastructure” source
  • API — “You get a unified API across OpenAI, Anthropic, Google, AWS, and other providers, with automatic caching and observability on every request.” source
  • Official SDKs — “Native SDKs SDKs for Python, TypeScript, Go, Ruby, C#, and more.” source
  • Traces and evaluates — “Full visibility into every agent interaction.” source

Security

  • SOC 2 Type II — “SOC 2 Type II - May 5 - Aug 5, 2025” source
  • SOC 2 — “SOC 2 Type II - May 5 - Aug 5, 2025” source
  • GDPR — “Data Processing Agreement (DPA) - Enterprise” source
  • HIPAA — “One-page white paper on Braintrust and HIPAA compliance.” source

Latest updates

  • September 2026 (v0.21.0+)

    Braintrust-hosted deployments map OpenInference traces to structured data; the bt CLI supports local JavaScript span plugins.

  • August 2026

    Monitoring views became dashboards; permissions now control access to organization AI providers; coding-agent tracing runs through the bt CLI.

  • July 2026

    Experiment comparisons support pairwise scoring; datasets can store references to full traces and show them in a Trace viewer.

About Braintrust

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