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Langfuse vs DuoPlus

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Langfuse compared with DuoPlus
Detail LangfuseDuoPlus logo DuoPlus
What it doesOpen Source Agent Evals & Observability Cloud-based Android phones for managing multiple social media accounts globally
StageEstablished Not given
FoundedNot given Not given
Based inDE SG
Pricing modelFreemium Freemium
PricingNot given Free: 1 cloud phone with 30 minutes startup time per month. Paid plans: $0.085/device/month with custom plans available (up to 95% discount). Startup Time Package: $0.0042/min. Monthly Startup: $16.91/month (15% discount available with annual payment). Annual payment saves 15%.
Key features
  • Hierarchical traces capture every LLM call, tool invocation, and retrieval step
  • LLM-as-a-judge, heuristic functions, or human review evaluations
  • Prompt management with one-click deployments and rollbacks
  • Playground to test prompts on real production inputs and compare models
  • Experiments with test cases and side-by-side comparison
  • Human annotation and collaborative human-in-the-loop workflows
  • Cost and latency monitoring with dashboards and alerts
  • REST APIs and Query SDK for data access
  • Langfuse Assistant to automate the AI engineering loop
  • Android 15 cloud phones with real ARM chips deployed globally
  • GPS and SIM card simulation across 150+ countries
  • One-click reskinning and environment switching
  • RPA automation with templates and custom workflows
  • Bulk application management
  • Team collaboration and device sharing
  • Browser-based access without client download
  • Unlimited cloud phones with no multiplicity limits
  • API integration support
  • Cloud storage management and proxy integration
What makes it different
  • MIT licensed open source platform with no data lock-in
  • Enterprise scale architecture handling billions of monthly events
  • Works with any language and framework with no framework lock-in
  • Async by default so tracing never blocks your application
  • Real ARM-based Android cloud phones that operate like physical devices, minimizing platform risk controls
  • Independent device environments with isolated IP and storage reduce account association risks
  • No-code RPA automation with pre-built templates for popular platforms
  • Originated from AdsPower technical team with proven cross-border expertise
  • No additional RPA fees; included with device subscription
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)80 +1 (up) since last check61 +1 (up) since last check
Trust Flow (Majestic)3511
Citation Flow (Majestic)5439
Referring domains (Majestic)6114432

5 details filled in for both companies.

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