Langfuse vs Papermark

Langfuse offers observability for LLM apps, unrelated to document management.

Which to pick

LLM observability & analytics
Integrations with Python, TypeScript or Go (on Langfuse's list, not Papermark's)

What it is: Langfuse:Langfuse is an open-source platform for tracing, evaluating and monitoring LLM applications and AI agents.; Papermark:Papermark is an open-source platform for secure document sharing and data rooms with real-time analytics.
Best for: Langfuse:LLM observability & analytics; Papermark:Secure, analytics-enabled data rooms
Who it’s for: Langfuse:Developers building, debugging and scaling LLM-based apps and agents.; Papermark:Dealmakers, founders, finance teams and investors who need confidential document workflows.
Pricing: Langfuse:Freemium; Papermark:Freemium
Plans: Langfuse:Hobby Free · Core $29 per month · Pro $199 per month · Enterprise $2499 per month; Papermark:Free €0/month · Pro €24/month per month · Business €59/month per month · Data Rooms €99/month per month
Open source: Langfuse:Yes, 35,097 GitHub stars; Papermark:Yes
Works with: Langfuse:Python, TypeScript, Go, Java, .NET, Ruby, PHP, Swift; Papermark:SSO, API, CLI, Webhooks

Hierarchical Traces. Capture every LLM call, tool invocation and retrieval step with filters for user, session, cost and latency.
Prompt Management. Version, fetch, release and cache prompts separately from code with one-click deployments.
Evaluation Engine. Run LLM-as-judge, heuristic or human-review evaluations on production data or experiments.
Experiments & Datasets. Define test cases, run experiments and create golden datasets for continuous improvement.
Dashboards & Alerts. Monitor cost, latency and quality via custom dashboards and automated alerts.
Human Annotation. Collaborative human-in-the-loop workflows with annotation queues.
Extensive Integrations. Supports Python, TypeScript, Go, Java, .NET, Ruby, PHP, Swift and 100+ agent frameworks and model providers.
Self-hosted & Cloud Options. Available as hosted SaaS or self-hosted under MIT license.

Page-by-page analytics. Shows view duration, completion and real-time engagement per document page.
Granular permissions. Control access with SSO, email verification, allow/block lists and file-level rights.
Custom branding & domains. Remove Papermark branding, add logos, custom colors and custom domains for documents and data rooms.
Dynamic watermark & NDA gating. Apply watermarks and require NDA acceptance before viewing documents.
Unlimited visitors & data rooms. No limits on the number of visitors or data rooms per plan.
API, CLI & webhooks. Integrate Papermark into workflows via REST API, command-line tools and webhook notifications.
Enterprise-grade security. ISO 27001, SOC 2 Type II, GDPR, HIPAA, CCPA compliance with end-to-end encryption.
Self-hosted option. Deploy Papermark on your own infrastructure for full control.

Is Langfuse or Papermark free?+

Langfuse has a free plan (Hobby); paid plans start at $29/month (Core). Papermark has a free plan; paid plans start at €24/month (Pro).

Which is cheaper, Langfuse or Papermark?+

Langfuse starts at $29/month (Core) and Papermark starts at €24/month (Pro); the plans are billed differently, so compare what's included.

Is Langfuse or Papermark open source?+

Yes, both are open source: Langfuse (langfuse/langfuse on GitHub) and Papermark (mfts/papermark on GitHub).

Do Langfuse and Papermark integrate with the same tools?+

Their integration lists don't overlap: Langfuse lists Python, TypeScript, Go, Java and 10 more; Papermark lists SSO, API, CLI and Webhooks.

Langfuse

89 upvotes · Launched on DevHunt on Jan 10, 2023

Papermark

23 upvotes · Launched on DevHunt on Jan 3, 2023

Based on each tool's website and DevHunt data. Details may change; check the official sites.