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TensorZero Pricing

freeopen source · Apache-2.0last verified September 6, 2026official site ↗

At a glance

100% open-source LLM gateway under the Apache-2.0 license ($0 self-hosted deployment). The project has wound down active commercial cloud operations and archived its GitHub repository, remaining freely accessible as an unmanaged, self-hosted Rust-based LLMOps and inference gateway.

Self-hosting cost

TensorZero is open source under the Apache-2.0 license. Self-hosting does not add a software license fee, but you still pay for infrastructure, operations, and any external model or API usage.

Free & cheaper AI Monitoring & Observability

same category, free plan or open-source license

OpenLITopen source100% free and open source under the Apache-2.0 license ($0 self-hosted on Docker and Kubernetes). Features OpenTelemetry-native LLM tracing, GPU hardware metrics (NVIDIA/AMD/Intel), Prompt Hub, and security guardrails. Managed OpenLIT Cloud edition is available for hosted enterprise deployments.Grafanaopen sourceGrafana is free and open-source under AGPL-3.0 for self-hosting. Grafana Cloud features a generous free tier (10k metrics series, 50GB logs/traces) and a Pro tier starting at $19/month plus pay-as-you-go usage.Latitudeopen sourceLatitude is an open-source AI agent observability and evaluation platform under the MIT license. It offers a free self-hosted edition and a free cloud Starter tier (20,000 credits/mo), alongside a Pro plan at $99/month for growing teams and custom Enterprise pricing.Judgevalopen sourceJudgeval is an open-source Python SDK (Apache-2.0) for AI agent evaluation and tracing. Judgment Labs offers hosted enterprise agent behavior monitoring and evaluation platform access via custom quotes.
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FAQ

How much does TensorZero cost?

100% open-source LLM gateway under the Apache-2.0 license ($0 self-hosted deployment). The project has wound down active commercial cloud operations and archived its GitHub repository, remaining freely accessible as an unmanaged, self-hosted Rust-based LLMOps and inference gateway.

Does TensorZero have a free plan?

Yes — TensorZero is completely free.

Can you self-host TensorZero for free?

TensorZero is open source under the Apache-2.0 license. Self-hosting does not add a software license fee, but you still pay for infrastructure, operations, and any external model or API usage.

What are free or cheaper TensorZero alternatives?

OpenLIT, Grafana, Latitude are in the same category with a free plan or open-source license.

pricing is editorial catalog data (last verified September 6, 2026) — vendors change plans; confirm on the official site before you buy. Reuse this data under CC-BY 4.0 via /data.