your ad here · $499/moyour ad here · $499/moyour ad here · $499/moyour ad here · $499/moyour ad here · $499/moyour ad here · $499/moyour ad here · $499/moyour ad here · $499/moyour ad here · $499/moyour ad here · $499/moyour ad here · $499/moyour ad here · $499/mo

Compare

Langfuse vs Resonance

Langfuse provides observability for LLM apps, while Resonance is a full-stack PHP framework.
LangfuseOpen Source Observability & Analytics for LLM Apps 🕵️‍♂️ResonancePHP Framework That Solves Real-Life Issues

Side by side

What it is
Langfuse:Langfuse is an open-source platform for tracing, evaluating and monitoring LLM applications and AI agents.
Resonance:Resonance is an async PHP framework for building IO-intensive, AI-enabled web applications with REST, GraphQL, WebSockets, gRPC and more.
Best for
Langfuse:LLM observability & analytics
Resonance:Async PHP for IO-heavy apps
Who it’s for
Langfuse:Developers building, debugging and scaling LLM-based apps and agents.
Resonance:PHP developers building high-performance SaaS, real-time, or AI-driven services
Pricing
Langfuse:Freemium
Resonance:Open source
Plans
Langfuse:Hobby Free · Core $29 per month · Pro $199 per month · Enterprise $2499 per month
Resonance:—
Open source
Langfuse:Yes, 35,097 GitHub stars
Resonance:—
Works with
Langfuse:Python, TypeScript, Go, Java, .NET, Ruby, PHP, Swift
Resonance:Swoole, llama.cpp, Rubix ML
DevHunt upvotes
Langfuse:89
Resonance:7
Launched on DevHunt
Langfuse:Jan 2023
Resonance:Apr 2024

Langfuse features

  • 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.
Langfuse on DevHunt →Alternatives

Resonance features

  • Asynchronous PHP core. Leverages Swoole to run non-blocking code and promises for high-throughput workloads.
  • Built-in AI integration. Connects to open-source LLMs via llama.cpp and supports Rubix ML model serving.
  • Real-time messaging. Provides WebSocket and gRPC tools for low-latency communication.
  • Opinionated DI container. Attribute-based dependency injection prevents cyclical services and simplifies setup.
  • GraphQL out of the box. Define schemas with PHP attributes; fields resolve asynchronously.
  • Security & OAuth 2.0. Includes ready-to-use OAuth 2.0 authentication and other security features.
Resonance on DevHunt →Alternatives

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