Langfuse vs. PRISM Comparison


Langfuse	PRISM Block Convey	+	+
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About Langfuse is an open source LLM engineering platform to help teams collaboratively debug, analyze and iterate on their LLM Applications. Observability: Instrument your app and start ingesting traces to Langfuse Langfuse UI: Inspect and debug complex logs and user sessions Prompts: Manage, version and deploy prompts from within Langfuse Analytics: Track metrics (LLM cost, latency, quality) and gain insights from dashboards & data exports Evals: Collect and calculate scores for your LLM completions Experiments: Track and test app behavior before deploying a new version Why Langfuse? - Open source - Model and framework agnostic - Built for production - Incrementally adoptable - start with a single LLM call or integration, then expand to full tracing of complex chains/agents - Use GET API to build downstream use cases and export data	About PRISM is an AI agent observability and evaluation platform for teams building and operating AI applications. It traces model calls, tools, retrieval, sessions, and outcomes, then helps teams test scenarios, evaluate results, identify recurring failures, and validate improvements. Teams can connect applications through its SDK and API, OpenTelemetry, and supported frameworks such as LangChain.
Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported	Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported
Audience Software Engineers, AI Engineers, Data Scientists, Product Managers	Audience AI developers and teams building, testing, and operating AI applications.
Support Phone Support Not Supported 24/7 Live Support Supported Online Supported	Support Phone Support Not Supported 24/7 Live Support Not Supported Online Supported
API Offers API Supported	API Offers API Supported
Screenshots and Videos View more images or videos	Screenshots and Videos View more images or videos
Pricing $29/month Generous free tier and Pro Plans starting at USD 29/month. Langfuse is open source so you will always be able to host the software yourself at no cost. Free Version Supported Free Trial Supported	Pricing $20/month Free is $0/month. Builder is $20/month, Growth is $50/month, and Managed is $300/month. Enterprise pricing is custom. Purchased-credit top-ups have a minimum of 100 credits for $10. Free Version Supported Free Trial Not Supported
Reviews/Ratings Overall 5.0 / 5 ease 4.0 / 5 features 5.0 / 5 design 4.0 / 5 support 5.0 / 5 Read all reviews	Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software
Pros & Cons from Real Users Pros I like that this is exclusively designed for LLMs only, so it takes a lot of clutter out of having to deal with features to do with rest of the models. Scores are very comprehensive including the ones related to query/response, ability to find rag relevance, cost related metrics which other tools typically do not offer and comprehensive trace function. Cons There wasn't much but if I have to highlight something here, self hosting was difficult. And the main dashboard can have drill downs to take it to relevant sections in traces/generations etc
Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported	Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported
Company Information Langfuse Founded: 2023 Germany langfuse.com	Company Information Block Convey Founded: 2023 United States blockconvey.com/prism
Alternatives AgentOps	Alternatives Arize Phoenix Arize AI
Arize AI	LangChain
Athina AI	Future AGI
Orq.ai	Atla
Maxim View All	Netra View All
Categories AI Agent Observability Supported AI Observability Supported LLM Evaluation Supported Observability Supported Prompt Management Supported	Categories AI Agent Observability Supported

Integrations LangChain Supported OpenAI Supported Anthropic Not Supported Claude Supported DocsGPT Supported Dograh Supported Flowise Supported Hugging Face Supported Lamatic.ai Supported LiteLLM Supported LlamaIndex Supported Mirascope Supported Netguru Omega Supported OpenTelemetry Not Supported Overmind Supported TierZero Supported Voker Supported Workers by Delos Supported Show More Integrations View All 16 Integrations	Integrations LangChain Supported OpenAI Supported Anthropic Supported Claude Not Supported DocsGPT Not Supported Dograh Not Supported Flowise Not Supported Hugging Face Not Supported Lamatic.ai Not Supported LiteLLM Not Supported LlamaIndex Not Supported Mirascope Not Supported Netguru Omega Not Supported OpenTelemetry Supported Overmind Not Supported TierZero Not Supported Voker Not Supported Workers by Delos Not Supported Show More Integrations View All 4 Integrations
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