Envoy AI Gateway vs Not Diamond
No clear leader: Not Diamond (62.1) and Envoy AI Gateway (59.3) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.
Capabilities
Feature-by-feature on the axes that matter for llm gateways. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Envoy AI Gateway
An open-source gateway built on Envoy that centralizes AI traffic management by forwarding OpenAI-compatible requests to various LLM providers with automatic failover, token-based rate limiting, and Kubernetes-native deployment.
Not Diamond
A model routing service for coding agents that uses machine learning to predict and recommend the most cost-effective and accurate AI model for each request. Engineering teams typically achieve 20-40% cost savings without quality degradation through continuous learning from real usage patterns.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Envoy AI Gateway
Open-source. Commercial managed hosting and enterprise self-hosted options available.
Not Diamond
$0.05 per million tokens; enterprise plans available
- Pay-as-you-go$0.05 per million tokens routed
- Multi-harness support
- Multi-provider support
- Savings and usage dashboard
- Continuous learning from harness usage
- EnterpriseContact sales
- Volume-based discounts
- Organization-wide analytics
- Advanced security and admin controls
- SSO with SAML
- Privacy-preserving deployment
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
Envoy AI Gateway
- OpenAI
- AWS Bedrock
- Azure OpenAI
- Google Vertex AI
- Google Gemini
- Anthropic
- Groq
- Together AI
- Mistral
- Cohere
- DeepInfra
- DeepSeek
- Hunyuan
- Tencent LLM Knowledge Engine
- SambaNova
- Grok
- OIDC
- cert-manager
- GCP Vertex AI
- Gemini
- vLLM
- MCP
- Kubernetes
- AWS STS
- +4 more
Not Diamond
Not documented yet.
Envoy AI Gateway or Not Diamond: which one depends on you
A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.
Free to run, no account needed to start. How the evaluation works
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.