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What is Spanlens?

Spanlens is an open-source observability tool under the MIT license that allows developers to seamlessly monitor their applications' interactions with various services, including OpenAI, Anthropic, and others. The integration is remarkably straightforward; developers can either modify the client's baseURL to point to the Spanlens proxy with a single line of code or use the command "npx @spanlens/cli init," which activates a wizard for automatic code adjustments. After integration, the platform logs all requests in detail, tracking essential metrics such as model type, token counts, latency, costs, and the entire prompt and response body, while also effectively reconstructing streaming outputs. The platform's dashboard converts this extensive log information into valuable operational insights. With cost tracking capabilities, users can analyze their spending by specific requests, models, and users, along with differentiating prompt-cache tokens to clarify actual savings beyond total costs. Furthermore, agent tracing illustrates multi-step workflows through Gantt waterfalls and node-and-edge graphs, highlighting critical paths to help developers identify the slowest dependencies in complex scenarios. This thorough approach not only improves visibility but also equips users with the tools necessary to refine their model interactions for enhanced efficiency and effective cost management, fostering a more productive development environment overall.

What is OpenLIT?

OpenLIT functions as an advanced observability tool that seamlessly integrates with OpenTelemetry, specifically designed for monitoring applications. It streamlines the process of embedding observability into AI initiatives, requiring merely a single line of code for its setup. This innovative tool is compatible with prominent LLM libraries, including those from OpenAI and HuggingFace, which makes its implementation simple and intuitive. Users can effectively track LLM and GPU performance, as well as related expenses, to enhance efficiency and scalability. The platform provides a continuous stream of data for visualization, which allows for swift decision-making and modifications without hindering application performance. OpenLIT's user-friendly interface presents a comprehensive overview of LLM costs, token usage, performance metrics, and user interactions. Furthermore, it enables effortless connections to popular observability platforms such as Datadog and Grafana Cloud for automated data export. This all-encompassing strategy guarantees that applications are under constant surveillance, facilitating proactive resource and performance management. With OpenLIT, developers can concentrate on refining their AI models while the tool adeptly handles observability, ensuring that nothing essential is overlooked. Ultimately, this empowers teams to maximize both productivity and innovation in their projects.

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Integrations Supported

ChatGPT
Codestral
Cohere
Datadog
ElevenLabs
GPT4All
Gemini Enterprise Agent Platform
Grafana Cloud
Haystack
Mathstral
Ministral 8B
Mistral 7B
Mistral AI
Mistral NeMo
Mistral Small
Mixtral 8x22B
NVIDIA GPU-Optimized AMI
Ollama
OpenTelemetry
Qdrant

Integrations Supported

ChatGPT
Codestral
Cohere
Datadog
ElevenLabs
GPT4All
Gemini Enterprise Agent Platform
Grafana Cloud
Haystack
Mathstral
Ministral 8B
Mistral 7B
Mistral AI
Mistral NeMo
Mistral Small
Mixtral 8x22B
NVIDIA GPU-Optimized AMI
Ollama
OpenTelemetry
Qdrant

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided
Free Version
Free Trial Offered?

Pricing Information

Free
Free Version
Free Trial Offered?

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Spanlens

Date Founded

2026

Company Location

South Korea

Company Website

spanlens.io

Company Facts

Organization Name

OpenLIT

Company Location

India

Company Website

openlit.io

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