TensorZero
Builds open-source tools for production-grade LLM applications

What is TensorZero?
TensorZero is an AI Observability tool that builds open-source tools for production-grade LLM applications. It is aimed at developers and data scientists.
TensorZero provides tools for LLM gateway, observability, optimization, evaluations, and experimentation. It is designed for developers creating production-grade applications with large language models.
Built for developers and data scientists.
Features
LLM Gateway
Provides a unified interface for interacting with large language models
Observability Tools
Optimization Framework
Evaluation System
Experimentation Platform
Use cases
- Develop and deploy production-grade LLM applications
- Monitor and analyze LLM performance
- Optimize LLM workflows and processes
Who it's for
Pros & cons
Pros
- Open-source framework
- Supports production-grade LLM applications
Cons
No documented limitations yet.
Developer & API
Open source· Apache-2.0· 11.7K stars· 970 forks
FAQ
What is TensorZero?
TensorZero is an AI Observability tool that builds open-source tools for production-grade LLM applications. TensorZero provides tools for LLM gateway, observability, optimization, evaluations, and experimentation. It is designed for developers creating production-grade applications with large language models.
Who should use TensorZero?
TensorZero is built for developers and data scientists. Common uses: develop and deploy production-grade LLM applications, monitor and analyze LLM performance and optimize LLM workflows and processes.
Is TensorZero open source?
Yes, TensorZero is open source under the Apache-2.0 license.
What are the best alternatives to TensorZero?
Similar tools on AiByts include Braintrust, Opik, AIWatch, Fireworks AI and Respan.
TensorZero news & updates
Details are compiled from TensorZero's website and public sources, last verified Oct 3, 2026. Features and pricing change — confirm on the official site before you buy.
Try TensorZero
Visit the official website
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