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Head-to-head · Byok System

TensorZero vs Envoy AI Gateway

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score TensorZero #5 in Byok System 8.6/10 Free plan Free plan✓ 0 of 3 features View TensorZero
Envoy AI Gateway #6 in Byok System 8.4/10 Free plan Free plan✓ 0 of 3 features Visit Agent Router

TensorZero leads on 0 checks, Envoy AI Gateway on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreTensorZero · 8.6/10
  • Free planboth

TensorZero scores higher on our rubric for byok system: 8.6 against 8.4 out of 10; our editors rank them #5 and #6.

TensorZero is the better fit for teams able to manage an unmaintained self-hosted gateway. Envoy AI Gateway is the better fit for kubernetes teams needing open-source routing control.

  • TensorZero fits best

    Teams able to manage an unmaintained self-hosted gateway

  • Envoy AI Gateway fits best

    Kubernetes teams needing open-source routing control

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature TensorZero 8.6/10 Visit ↗ Envoy AI Gateway 8.4/10 Visit ↗
At a glance
Editor score 8.6 8.4
Ranking #5 in Byok System #6 in Byok System
Best for Teams able to manage an unmaintained self-hosted gateway Kubernetes teams needing open-source routing control
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Self-hosted Self-hosted
Support Email, Community, Docs Community, Docs
Integrations 20 integrations 16 integrations
Built for Small business, Mid-market, Enterprise Mid-market, Enterprise
Features TensorZero 0/3 · Envoy AI Gateway 0/3
Request routing Not checked yet Not checked yet
Team key sharing Not checked yet Not checked yet
Self-hosting Not checked yet Not checked yet
Specs
Key storage Not checked yet Not checked yet
Supported providers Not checked yet Not checked yet
Usage limits Not checked yet Not checked yet
Our review
Pros
  • Unifies access to multiple LLM providers through one API
  • Combines fallbacks, analytics, cost tracking, and experimentation
  • Open-source and self-hosted, with API-key authentication
  • Routes across hosted providers and self-hosted model endpoints
  • Supports failover, weighted backends, token limits, and usage budgets
  • Provides traffic, performance, usage, and cost observability
Cons
  • The project is no longer maintained
  • Archived on GitHub on June 12, 2026
  • Self-hosted deployment places operational responsibility on your team
  • Deployment is self-hosted rather than a managed service
  • Kubernetes installation uses Helm charts, so it favors Kubernetes teams
  • Support channels are limited to community and documentation
Our verdict

TensorZero combined an open-source LLM gateway with observability, evaluations, optimization, and experimentation. It was aimed at teams that wanted to route requests across model providers through a unified API, while tracking usage and…

Read the review →

Teams building Kubernetes-based AI infrastructure may consider Envoy AI Gateway, an open-source gateway for routing application requests to hosted LLM providers and self-hosted models. It presents a unified API for multiple providers and…

Read the review →
  1. TensorZeroByok System 8.6Free plan
  2. Envoy AI GatewayByok System 8.4Free plan

Strengths and trade-offs

  • TensorZero — where it wins

    • Unifies access to multiple LLM providers through one API
    • Combines fallbacks, analytics, cost tracking, and experimentation
    • Open-source and self-hosted, with API-key authentication

    Where it doesn't

    • The project is no longer maintained
    • Archived on GitHub on June 12, 2026
    • Self-hosted deployment places operational responsibility on your team

  • Envoy AI Gateway — where it wins

    • Routes across hosted providers and self-hosted model endpoints
    • Supports failover, weighted backends, token limits, and usage budgets
    • Provides traffic, performance, usage, and cost observability

    Where it doesn't

    • Deployment is self-hosted rather than a managed service
    • Kubernetes installation uses Helm charts, so it favors Kubernetes teams
    • Support channels are limited to community and documentation

More comparisons

All byok system comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update