Tensorzero

TensorZero is an inference gateway and experimentation framework designed to manage the lifecycle of large language models in production environments. It functions as a central proxy that routes requests across multiple artificial intelligence providers while providing the infrastructure necessary to monitor performance, track costs, and ensure service reliability.

The platform distinguishes itself by integrating a comprehensive evaluation engine and an observability pipeline directly into the request flow. It enables developers to conduct controlled experiments and A/B tests to compare different model variants and prompt strategies. By capturing real-time inference data, the system facilitates automated feedback loops that allow for the continuous refinement of model configurations and prompt settings based on production outcomes.

Beyond its core routing and experimentation capabilities, the project provides tools for automated quality assurance. It supports both heuristic-based checks and judge-based scoring to validate that generated content meets predefined accuracy and safety standards before reaching end users. These features collectively support the ongoing optimization of autonomous agents and the maintenance of consistent performance across complex machine learning workflows.

Features

LLM Gateways - Acts as a central proxy to route requests across multiple artificial intelligence providers while managing reliability and performance.

Automated Model Judges - Provides automated judge-based scoring to validate and benchmark model-generated content against quality and safety standards.

LLM Observability - Tracks latency, costs, and output quality metrics to debug model behavior and analyze performance trends over time.

Language Model Observability - Tracks inference metrics, latency, and costs to monitor performance and debug language model deployments in production.

LLM Production Infrastructure - Manages the deployment, scaling, and reliability of large language models within production software applications and services.

Model Request Proxies - Acts as a central proxy that directs model traffic across multiple providers while managing retries and load balancing.

AI Request Routing - Directs incoming requests to multiple artificial intelligence providers using automated load balancing and retry logic.

Prompt Experimentation - Enables developers to conduct controlled A/B tests and experiments to compare different prompt strategies and model variants.

LLM Performance Monitoring - Tracks costs, latency, and feedback data to debug issues and analyze long-term performance trends.

Agent Lifecycle Management - Refines and optimizes the performance of autonomous agents by using feedback loops to improve prompt strategies and inference settings.

Automated Output Evaluation - Applies heuristic or model-based checks to workflows to ensure generated content meets quality standards.

Adaptive Experimentation - Compares different model variants and prompt strategies through controlled tests to identify the most effective configuration.

Model Feedback Loops - Collects production outcomes to inform automated prompt refinement and continuous improvement of model configurations over time.

A/B Testing - Runs controlled tests and A/B experiments to compare different prompts and model versions before deployment.

Model Experimentation - Provides controlled experimentation by routing traffic between different model variants to measure performance against specific quality benchmarks.

Agent Input and Output Validators - Applies automated checks and judge-based scoring to verify that model responses meet predefined quality and safety standards.

Automated Prompt Engineering - Analyzes observability data to autonomously configure evaluations and refine prompts for automated agents.

Prompt Optimization Strategies - Refines model outputs through automated prompt adjustments and dynamic inference strategies based on real-world feedback.

AI Operations - Unified data and learning flywheel for LLM workflows.

Application Frameworks - Framework for production-grade LLM applications.

Artificial Intelligence - Feedback loop optimization for improving LLM application performance.

Data Processing - Framework for iterative model improvement through experience.

Rust Projects - Listed in the “Rust Projects” section of the Awesome For Beginners awesome list.

Model Abstractions - Separates application logic from specific model implementations to allow for seamless swapping and testing of different architectures.

Inference Pipelines - Captures and processes inference data in real-time to provide actionable insights for performance monitoring and automated feedback loops.

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Features

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