LLM observability
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Langfuse

Open-source LLM engineering platform — traces, evals, prompts.

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Pricing

Langfuse pricing

Hobby
$0/mo

Get started, no credit card required. Great for hobby projects and POCs.

  • All platform features (with limits)
  • 50,000 units per month
  • Users: 2
  • Data access: 30 days
  • 50k units / month included
  • 30 days data access
Sign up
Core
$29/mo

For production projects. Longer data access and unlimited users.

  • Everything in Hobby
  • 100,000 units per month
  • 100k units / month included, additional: $8/100k units. Lower with volume (pricing calculator)
  • 90 days data access
  • Unlimited users
  • In-app support
Sign up
ProPopular
$199/mo

For scaling projects. Unlimited history, high rate limits, all features.

  • Everything in Core
  • 100,000 units per month
  • 100k units / month included, additional: $8/100k units. Lower with volume (pricing calculator)
  • 3 years data access
  • Data retention management
  • Unlimited annotation queues
Sign up
Enterprise
$2,499/mo

For large scale teams. Enterprise-grade support and security.

  • Everything in Pro + Teams
  • 100,000 units per month
  • 100k units / month included, additional: $8/100k units. Lower with volume (pricing calculator)
  • Audit Logs
  • SCIM API
  • Custom rate limits
Talk to sales
Usage-based pricing
  • units$8 / per 100k units
Enterprise — Starting at $2499/month; yearly commitment available with custom volume pricing, billing via AWS Marketplace, billing via Invoice, vendor onboarding, and architecture reviews.Contact sales →

Graduated usage pricing applies after included units. Discounts available for early-stage startups (50% off first year), research/students (up to 100% off), non-profits ($199 in credits/month), and open-source projects ($300 in credits/month first year).

Last verified Jun 11, 2026 · source ↗