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Hookdeck vs Langfuse

Observability for LLM apps, not webhook delivery
HookdeckA reliable event gateway for event-driven applicationsLangfuseOpen Source Observability & Analytics for LLM Apps 🕵️‍♂️

Side by side

What it is
Hookdeck:Hookdeck provides a reliable event gateway to receive, process, and deliver webhooks with routing, filtering, transformation, and rate-limiting.
Langfuse:Langfuse is an open-source platform for tracing, evaluating and monitoring LLM applications and AI agents.
Best for
Hookdeck:Scalable webhook routing and observability
Langfuse:LLM observability & analytics
Who it’s for
Hookdeck:Developers and teams building event-driven applications that rely on webhooks.
Langfuse:Developers building, debugging and scaling LLM-based apps and agents.
Pricing
Hookdeck:Freemium
Langfuse:Freemium
Plans
Hookdeck:Developer $0 /month · Team $39 /month · Growth $499 /month
Langfuse:Hobby Free · Core $29 per month · Pro $199 per month · Enterprise $2499 per month
Open source
Hookdeck:—
Langfuse:Yes, 35,097 GitHub stars
Works with
Hookdeck:Slack, Discord, Microsoft Teams, PagerDuty, Opsgenie, Better Stack, Uptime, incident.io
Langfuse:Python, TypeScript, Go, Java, .NET, Ruby, PHP, Swift
DevHunt upvotes
Hookdeck:30
Langfuse:89
Launched on DevHunt
Hookdeck:Mar 2024
Langfuse:Jan 2023

Hookdeck features

  • Receive & Debug Webhooks. Capture inbound webhooks locally or in the cloud with full observability.
  • Filter, Transform & Route. Apply custom filters, transformations and routing rules before delivery.
  • Queue with Rate Control. Manage delivery spikes with back-pressure handling and rate-limiting.
  • Auto-detect Issues & Replay. Detect failing events, get alerts and replay missed deliveries.
  • Outpost Delivery Platform. Add managed webhook delivery to your API or SaaS with tenant and subscription management.
  • Metrics & Alerts. Monitor latency, throughput and error rates; receive alerts for third-party latency.
  • Secure & Compliant. SOC2 compliance and optional HIPAA, SSO, SCIM for higher plans.
  • CLI & Console Tools. Command-line interface for local testing and a web console for payload inspection.
Hookdeck on DevHunt →Alternatives

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

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