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Langfuse vs NeuralTrust
Provides open-source observability for LLM apps, but not a zero-trust gateway or red-team testing.
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LangfuseOpen Source Observability & Analytics for LLM Apps 🕵️♂️
NeuralTrustLLM Gateway and Red TeamingWhich to pick
Pick Langfuse if you want…
- LLM observability & analytics
- Integrations with Python, TypeScript or Go (on Langfuse's list, not NeuralTrust's)
Pick NeuralTrust if you want…
- Zero-trust security for AI agents
- Integrations with Microsoft Copilot, ChatGPT or Gemini (on NeuralTrust's list, not Langfuse's)
Side by side
- What it is
- Langfuse:Langfuse is an open-source platform for tracing, evaluating and monitoring LLM applications and AI agents.
- NeuralTrust:NeuralTrust provides a zero-trust AI gateway, observability, and red-team testing to secure and scale LLM applications and agents.
- Best for
- Langfuse:LLM observability & analytics
- NeuralTrust:Zero-trust security for AI agents
- Who it’s for
- Langfuse:Developers building, debugging and scaling LLM-based apps and agents.
- NeuralTrust:Enterprises deploying LLMs, chatbots, and autonomous AI agents.
- Pricing
- Langfuse:Freemium
- NeuralTrust:Contact sales
- Plans
- Langfuse:Hobby Free · Core $29 per month · Pro $199 per month · Enterprise $2499 per month
- NeuralTrust:—
- Open source
- Langfuse:Yes, 35,097 GitHub stars
- NeuralTrust:Yes
- Works with
- Langfuse:Python, TypeScript, Go, Java, .NET, Ruby, PHP, Swift
- NeuralTrust:Microsoft Copilot, ChatGPT, Gemini
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.
NeuralTrust features
- TrustGate. Open-source AI gateway with zero-trust policies, traffic management and semantic caching.
- TrustTest. Adversarial testing framework that finds jailbreaks, vulnerabilities and hallucinations.
- TrustLens. Real-time observability dashboard delivering analytics on LLM behavior.
- Agent Runtime Security. Monitors and protects each prompt, response and tool call in real time.
- Agent Posture Management. Discovers and governs every AI agent across the organization.
Langfuse vs NeuralTrust FAQ
Is Langfuse or NeuralTrust free?+
Langfuse has a free plan (Hobby); paid plans start at $29/month (Core).
Is Langfuse or NeuralTrust open source?+
Yes, both are open source: Langfuse (langfuse/langfuse on GitHub) and NeuralTrust.
Do Langfuse and NeuralTrust integrate with the same tools?+
Their integration lists don't overlap: Langfuse lists Python, TypeScript, Go, Java and 10 more; NeuralTrust lists Microsoft Copilot, ChatGPT and Gemini.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.