What is Phospho?
Transform your LLM (Large Language Model) app prototype into a polished product with phospho, an open-source text analytics tool. Backed by experts in the field, phospho empowers you to monitor, evaluate, and improve your app's performance and quality seamlessly. With semantic observability, A/B testing, and automated workflows, phospho offers actionable insights to enhance your LLM app's efficiency.
Key Features:
📊 Monitor & Improve:Gain semantic observability by automatically detecting and extracting events in LLM messages. Utilize A/B testing to compare different versions of your app for continuous improvement.
🧪 Test & Evaluate:Log user inputs and app outputs in real-time for comprehensive evaluation. Let phospho handle custom evaluation pipelines, linking user feedback effortlessly.
🛡️ Guardrail & Take Actions:Set up automated workflows triggered by specific events, ensuring real-time response. Export and explore data with ease, facilitating fine-tuning for optimal performance.
Use Cases:
Quality Assurance Enhancement:Ensure your LLM app meets quality standards by utilizing phospho to monitor its performance in real-time, enabling proactive adjustments to enhance user experience.
Feature Optimization:Test different versions of your app using A/B testing features, allowing you to identify and implement the most effective features based on user feedback and performance metrics.
Streamlined Workflow Automation:Streamline your workflow by setting up automated actions triggered by specific events detected by phospho, enabling efficient response and optimization of LLM app functionalities.
Conclusion:
Phospho offers a comprehensive solution for LLM app developers, facilitating seamless monitoring, evaluation, and improvement processes. With its user-friendly interface and powerful features, phospho empowers developers of all levels to optimize their apps for superior performance. Take your LLM app to the next level with phospho's flexible plans and features. Start your 14-day free trial today and experience firsthand how phospho can revolutionize your LLM app development journey.
More information on Phospho
Launched
2023-06
Pricing Model
Free Trial
Starting Price
Global Rank
692724
Follow
Month Visit
44.5K
Tech used
Google Tag Manager,Framer,Google Fonts,Gzip,HTTP/3,OpenGraph,HSTS,Intercom
Top 5 Countries
34.02%
13.82%
7.54%
5.71%
5.53%
United States
Korea, Republic of
India
France
Italy
Traffic Sources
5.61%
0.9%
0.08%
9.06%
39.75%
44.52%
social
paidReferrals
mail
referrals
search
direct
Source: Similarweb (Sep 24, 2025)
Phospho was manually vetted by our editorial team and was first featured on 2024-03-17.
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