Awesome
Langtrace
Open Source Observability for LLM applications
π Open Source & Open Telemetry(OTEL) Observability for LLM applications
Langtrace is an open source observability software which lets you capture, debug and analyze traces and metrics from all your applications that leverages LLM APIs, Vector Databases and LLM based Frameworks.
π Open Telemetry Support
The traces generated by Langtrace adhere to Open Telemetry Standards(OTEL). We are developing semantic conventions for the traces generated by this project. You can checkout the current definitions in this repository. Note: This is an ongoing development and we encourage you to get involved and welcome your feedback.
π¦ SDK Repositories
π Getting Started
Langtrace Cloud βοΈ
To use the managed SaaS version of Langtrace, follow the steps below:
- Sign up by going to this link.
- Create a new Project after signing up. Projects are containers for storing traces and metrics generated by your application. If you have only one application, creating 1 project will do.
- Generate an API key by going inside the project.
- In your application, install the Langtrace SDK and initialize it with the API key you generated in the step 3.
- The code for installing and setting up the SDK is shown below:
If your application is built using typescript/javascript
npm i @langtrase/typescript-sdk
import * as Langtrace from '@langtrase/typescript-sdk' // Must precede any llm module imports
Langtrace.init({ api_key: <your_api_key> })
OR
import * as Langtrace from "@langtrase/typescript-sdk"; // Must precede any llm module imports
LangTrace.init(); // LANGTRACE_API_KEY as an ENVIRONMENT variable
If your application is built using python
pip install langtrace-python-sdk
from langtrace_python_sdk import langtrace
langtrace.init(api_key=<your_api_key>)
OR
from langtrace_python_sdk import langtrace
langtrace.init() # LANGTRACE_API_KEY as an ENVIRONMENT variable
π Langtrace self hosted
To run the Langtrace locally, you have to run three services:
- Next.js app
- Postgres database
- Clickhouse database
[!IMPORTANT] Checkout our documentation for various deployment options and configurations.
Requirements:
- Docker
- Docker Compose
The .env file
Feel free to modify the .env
file to suit your needs.
Starting the servers
docker compose up
The application will be available at http://localhost:3000
.
Take down the setup
To delete containers and volumes
docker compose down -v
-v
flag is used to delete volumes
Telemetry
Langtrace collects basic, non-sensitive usage data from self-hosted instances by default, which is sent to a central server (via PostHog).
The following telemetry data is collected by us:
- Project name and type
- Team name
This data helps us to:
- Understand how the platform is being used to improve key features.
- Monitor overall usage for internal analysis and reporting.
No sensitive information is gathered, and the data is not shared with third parties.
If you prefer to disable telemetry, you can do so by setting TELEMETRY_ENABLED=false in your configuration.
π Supported integrations
Langtrace automatically captures traces from the following vendors:
Vendor | Type | Typescript SDK | Python SDK |
---|---|---|---|
OpenAI | LLM | :white_check_mark: | :white_check_mark: |
Anthropic | LLM | :white_check_mark: | :white_check_mark: |
Azure OpenAI | LLM | :white_check_mark: | :white_check_mark: |
Cohere | LLM | :white_check_mark: | :white_check_mark: |
xAI | LLM | :white_check_mark: | :white_check_mark: |
Groq | LLM | :white_check_mark: | :white_check_mark: |
Perplexity | LLM | :white_check_mark: | :white_check_mark: |
Gemini | LLM | :white_check_mark: | :white_check_mark: |
AWS Bedrock | LLM | :white_check_mark: | :x: |
Mistral | LLM | :x: | :white_check_mark: |
Langchain | Framework | :x: | :white_check_mark: |
LlamaIndex | Framework | :white_check_mark: | :white_check_mark: |
Langgraph | Framework | :x: | :white_check_mark: |
LiteLLM | Framework | :x: | :white_check_mark: |
DSPy | Framework | :x: | :white_check_mark: |
CrewAI | Framework | :x: | :white_check_mark: |
Ollama | Framework | :x: | :white_check_mark: |
VertexAI | Framework | :white_check_mark: | :white_check_mark: |
Vercel AI | Framework | :white_check_mark: | :x: |
Pinecone | Vector Database | :white_check_mark: | :white_check_mark: |
ChromaDB | Vector Database | :white_check_mark: | :white_check_mark: |
QDrant | Vector Database | :white_check_mark: | :white_check_mark: |
Weaviate | Vector Database | :white_check_mark: | :white_check_mark: |
PGVector | Vector Database | :white_check_mark: | :white_check_mark: (SQLAlchemy) |
π Langtrace System Architecture
π‘ Feature Requests and Issues
- To request for features, head over here to start a discussion.
- To raise an issue, head over here and create an issue.
π€ Contributions
We welcome contributions to this project. To get started, fork this repository and start developing. To get involved, join our Slack workspace.
π Langtrace Star History
πSecurity
To report security vulnerabilities, email us at security@scale3labs.com. You can read more on security here.
π License
- Langtrace application(this repository) is licensed under the AGPL 3.0 License. You can read about this license here.
- Langtrace SDKs are licensed under the Apache 2.0 License. You can read about this license here.
βFrequently Asked Questions
1. Can I self host and run Langtrace in my own cloud? Yes, you can absolutely do that. Follow the self hosting setup instructions in our documentation.
2. What is the pricing for Langtrace cloud? Currently, we are not charging anything for Langtrace cloud and we are primarily looking for feedback so we can continue to improve the project. We will inform our users when we decide to monetize it.
3. What is the tech stack of Langtrace? Langtrace uses NextJS for the frontend and APIs. It uses PostgresDB as a metadata store and Clickhouse DB for storing spans, metrics, logs and traces.
4. Can I contribute to this project? Absolutely! We love developers and welcome contributions. Get involved early by joining our Discord Community.
5. What skillset is required to contribute to this project? Programming Languages: Typescript and Python. Framework knowledge: NextJS. Database: Postgres and Prisma ORM. Nice to haves: Opentelemetry instrumentation framework, experience with distributed tracing.