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TensorZero

LLM gateway for production optimization, routing, and fine-tuning

About TensorZero

TensorZero is an open-source LLM gateway that collects production inference data and uses it to continuously optimize prompts, route to better models, and generate fine-tuning datasets. It wraps existing LLM APIs and learns from real user feedback and outcomes to improve quality over time. Built for ML teams who want to systematically improve production AI systems.

Details

Pricing
Paid
Platforms
Web
Open source
Yes
Added
Apr 23, 2026
Source
awesome

opensource, platform, tags were inferred from this tool's own description, not confirmed by its maker. Claim this listing to correct it.

How TensorZero compares

The closest tools in the directory, matched on shared capability rather than category alone.

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TensorZero (this tool)PaidNot statedYes
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Vanna.aiPaidNot statedYes
Together AIPaidNot statedYes
KilnPaidNot statedNot stated

TensorZero FAQ

What is TensorZero used for?

TensorZero is an open-source LLM gateway that collects production inference data and uses it to continuously optimize prompts, route to better models, and generate fine-tuning datasets. It wraps existing LLM APIs and learns from real user feedback and outcomes to improve quality over time. Built for ML teams who want to systematically improve production AI systems.

Is TensorZero free?

TensorZero is Paid. Paid tool. Visit the site to view current pricing plans.

What platforms does TensorZero run on?

TensorZero runs on Web. Whether it offers a public API isn't stated — check the vendor's docs before planning an integration.

Is TensorZero open source?

Yes — TensorZero publishes its source, so you can self-host it, audit what it does with your data, and avoid per-seat pricing. Browse more open-source options at brofindai.com/tags/open-source.

What are the best alternatives to TensorZero?

The closest alternatives are Unsloth, Vanna.ai, Together AI, Kiln — all coding & dev tools tools that overlap with TensorZero on coding, developer, llm. See the full list at brofindai.com/alternatives/tensorzero.

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TensorZero

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Pricing Model

Paid

Paid tool. Visit the site to view current pricing plans.

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