Related Products
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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
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About
PrompTessor is a web-based SaaS platform that transforms AI prompt optimization through an intelligent analysis engine delivering deep insights, detailed metrics, and actionable optimization strategies. Users submit their prompts to receive a comprehensive effectiveness score, often on a 0–100 scale, that highlights strengths and areas for improvement across core dimensions such as clarity, specificity, context, goal orientation, structure, and constraints. The system offers granular feedback with visualization of performance metrics over time, continuous progress tracking, and side-by-side comparisons of optimized prompt variations generated to enhance AI performance. An intuitive interface guides both beginners and experts through prompt refinement: interactive dashboards display heatmaps of prompt components, while automated recommendations suggest rephrasing, restructuring, or adding context to maximize output quality.
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Audience
Software Engineers, AI Engineers, Data Scientists, Product Managers
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Audience
AI enthusiasts, prompt engineers, and content creators seeking a tool to analyze, optimize, and scale their AI prompts for maximum performance
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
$29/month
Free Version
Free Trial
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Pricing
$10 per month
Free Version
Free Trial
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Reviews/
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Reviews/
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationLangfuse
Founded: 2023
Germany
langfuse.com
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Company InformationPrompTessor
Founded: 2025
Indonesia
promptessor.com
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Alternatives |
Alternatives |
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Categories |
Categories |
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Integrations
Claude
Flowise
Hugging Face
Lamatic.ai
LangChain
LiteLLM
LlamaIndex
Mirascope
Netguru Omega
OpenAI
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Integrations
Claude
Flowise
Hugging Face
Lamatic.ai
LangChain
LiteLLM
LlamaIndex
Mirascope
Netguru Omega
OpenAI
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