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Description
Skylight serves as an intelligent profiler specifically designed for Ruby and Rails applications, transforming performance metrics into practical insights that enable you to allocate less time to troubleshooting and more time to enhancements. It categorizes endpoints based on "agony," which is a unique combination of slowness and frequency of use, allowing you to identify which areas will yield the greatest returns on your optimization efforts. By examining our endpoint graphs, you can accurately locate where the slowdowns are happening, with the widest bars in these sequences indicating the events that require your attention most urgently. After making improvements to your code, you can easily redeploy your application, with deploys represented on the overview graph to give you a clear visual comparison of your changes. Additionally, you can analyze a histogram of response times to uncover infrequent slowdowns that may affect your overall averages. The tool also allows you to aggregate event sequences based on time or memory allocations, helping you to identify where bottlenecks may be occurring. This way, you can effectively pinpoint your slowest responses and refine your focus on the disparities between your fastest and slowest responses, ultimately leading to a better-performing application. By continuously monitoring and optimizing your application, you can ensure a smoother user experience and enhanced performance over time.
Description
Spanlens is an open-source observability platform licensed under MIT that enables developers to effectively track each interaction their applications have with services like OpenAI, Anthropic, Gemini, Mistral, OpenRouter, Azure OpenAI, or a local Ollama model. The integration process is incredibly simple, requiring just a single line of code to change the client's baseURL to the Spanlens proxy, or by executing "npx @spanlens/cli init," which prompts a wizard to automatically adjust your code. Once integrated, all requests are meticulously logged, capturing details such as the model used, token counts, latency, cost, and the complete prompt and response body, while also seamlessly reconstructing streaming responses.
The accompanying dashboard transforms this raw log data into actionable operational insights. Cost tracking functionality allows users to break down expenditures by individual requests, models, and end users, while also distinguishing prompt-cache tokens to provide clarity on actual savings rather than simply the total costs. Additionally, agent tracing presents multi-step workflows visually, using Gantt waterfalls and node-and-edge graphs to emphasize the critical path, enabling developers to pinpoint the slowest dependencies in a fan-out scenario. This comprehensive approach not only enhances visibility but also empowers users to optimize their model interactions for better efficiency and cost management.
API Access
Has API
API Access
Has API
Screenshots View All
No images available
Integrations
Ruby
Ruby on Rails
Pricing Details
$20 per month
Free Trial
Free Version
Pricing Details
No price information available.
Free Trial
Free Version
Deployment
Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook
Deployment
Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook
Customer Support
Business Hours
Live Rep (24/7)
Online Support
Customer Support
Business Hours
Live Rep (24/7)
Online Support
Types of Training
Training Docs
Webinars
Live Training (Online)
In Person
Types of Training
Training Docs
Webinars
Live Training (Online)
In Person
Vendor Details
Company Name
Skylight
Website
www.skylight.io
Vendor Details
Company Name
Spanlens
Founded
2026
Country
South Korea
Website
spanlens.io
Product Features
Application Performance Monitoring (APM)
Baseline Manager
Diagnostic Tools
Full Transaction Diagnostics
Performance Control
Resource Management
Root-Cause Diagnosis
Server Performance
Trace Individual Transactions