TensorZero
FreeOpen-source LLM gateway for routing, observability, and optimization in Rust.
Tool Info
Overview
TensorZero is an open LLM gateway built in Rust for high-throughput routing.
It provides observability, fallbacks, and optimization out of the box.
Alternative to LiteLLM for performance-critical gateways.
Features
- Multi-model routing
- Built-in observability
- Rust performance
- Prompt templates
Pricing
Pros
- High performance
- Open source
- Production gateway patterns
Best For
When NOT to Use
- Newer project
- Rust ops knowledge helpful
Typical Users
Community Insights
Real implementation experiences shared by AI practitioners.
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Alternatives
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Tags
Related Guides
- AI System Architecture
Reference architecture for modern enterprise AI systems, bringing together retrieval, knowledge graphs, AI agents, LLM gateways, caching, observability, security, and production deployment.
- AI Observability
Production observability for LLM systems — traces with prompt/completion/tool spans, cost and latency attribution, quality proxies, and PII-safe instrumentation.
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