Comparison

Envoy AI Gateway vs OpenRouter

On the evidence we track, OpenRouter leads this comparison with a composite score of 80/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Envoy AI Gateway full profile →OpenRouter full profile →

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Envoy AI Gateway49

★OpenRouter80

Attribute comparison across 2 tools
Attribute	Envoy AI Gateway	OpenRouterLeader
Vioscale score	49 / 100low · 28%	80 / 100low · 36%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	commercial	freemium
Price levelpricing.price_level	free	low
Transparentpricing.transparent	-	✓
Integrations
Countintegrations.count	18	80
Security
Gdprsecurity.gdpr	-	✓
Vulnerabilitiessecurity.vulnerabilities	Count: 1 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fenvoyproxy%2Fai-gateway&per_page=100 · Last 12m: 1 · Max severity: MODERATE	-
Adoption
Dependent reposadoption.dependent_repos	0	-
Github starsadoption.github_stars	1,961	-
Activity
Commits last 30dactivity.commits_last_30d	65	-
Release
Cadence daysrelease.cadence_days	11	-
Historyrelease.history	20 items	-
License
Spdxlicense.spdx	Apache-2.0	-
Language
Primarylanguage.primary	Go	-
Market
Availabilitymarket.availability	-	Available worldwide

Score

Vioscale score

Envoy AI Gateway49 / 100low · 28%

OpenRouter80 / 100low · 36%

Pricing

Free tier

Envoy AI Gateway✓

OpenRouter✓

Model

Envoy AI Gatewaycommercial

OpenRouterfreemium

Price level

Envoy AI Gatewayfree

OpenRouterlow

Transparent

Envoy AI Gateway–

OpenRouter✓

Integrations

Count

Envoy AI Gateway18

OpenRouter80

Security

Gdpr

Envoy AI Gateway–

OpenRouter✓

Vulnerabilities

Envoy AI GatewayCount: 1 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fenvoyproxy%2Fai-gateway&per_page=100 · Last 12m: 1 · Max severity: MODERATE

OpenRouter–

Adoption

Dependent repos

Envoy AI Gateway0

OpenRouter–

Github stars

Envoy AI Gateway1,961

OpenRouter–

Activity

Commits last 30d

Envoy AI Gateway65

OpenRouter–

Release

Cadence days

Envoy AI Gateway11

OpenRouter–

History

Envoy AI Gateway20 items

OpenRouter–

License

Spdx

Envoy AI GatewayApache-2.0

OpenRouter–

Language

Primary

Envoy AI GatewayGo

OpenRouter–

Market

Availability

Envoy AI Gateway–

OpenRouterAvailable worldwide

Capabilities

Feature-by-feature on the axes that matter for llm gateways. “-” means undocumented, not absent.

Capability comparison for Llm Gateways
Capability	Envoy AI Gateway	OpenRouter
Capabilities
Openai compatible API	-	✓
Automatic failover	-	✓
Routing strategy	-	Cost based
Caching	-	Exact
Virtual key management	-	✓
Budget spend controls	-	✓
Rate limiting	-	✓
Guardrails moderation	-	-
Request cost observability	-	✓
Streaming support	-	✓
Deployment model	-	Managed SaaS
Open source	-	✓
Pricing model	-	Usage based saas

Capabilities

Openai compatible API

Envoy AI Gateway-

OpenRouter✓

Automatic failover

Envoy AI Gateway-

OpenRouter✓

Routing strategy

Envoy AI Gateway-

OpenRouterCost based

Caching

Envoy AI Gateway-

OpenRouterExact

Virtual key management

Envoy AI Gateway-

OpenRouter✓

Budget spend controls

Envoy AI Gateway-

OpenRouter✓

Rate limiting

Envoy AI Gateway-

OpenRouter✓

Guardrails moderation

Envoy AI Gateway-

OpenRouter-

Request cost observability

Envoy AI Gateway-

OpenRouter✓

Streaming support

Envoy AI Gateway-

OpenRouter✓

Deployment model

Envoy AI Gateway-

OpenRouterManaged SaaS

Open source

Envoy AI Gateway-

OpenRouter✓

Pricing model

Envoy AI Gateway-

OpenRouterUsage based saas

What each one is

The product in its own terms, so the numbers below have context.

Envoy AI Gateway

Provides routing and traffic management between applications and generative AI services, built on the open source Envoy Gateway. Supports multiple AI provider integrations and OpenAI-compatible APIs.

Independently observed

OpenRouter

Leader

OpenRouter aggregates 500+ language models from 80+ providers through a single, OpenAI-compatible API interface. It offers automatic fallback routing, cost control, usage analytics, and data policy management for teams deploying AI applications at scale.

Independently observed

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 sourceFree tier

as of 2026-08-19verify ↗

OpenRouter

Leader

HybridFree tier

Free tier available. Pay-as-you-go at 5.5% platform fee. Enterprise from $25k/month.

FreeFree
- 25+ free models
- 4 free providers
- Chat and API access
- Community support
Pay-as-you-go5.5% platform fee on model usage, fee discounts available
- 500+ models from 80+ providers
- Automatic fallback routing
- Activity logs and export
- Auto-routing and preferred vendor selection
- Budgets and spend controls
- +4 more
EnterpriseContact sales
- 500+ models, 80+ providers
- Custom data policies and model/provider routing policies
- Managed policy enforcement
- SSO/SAML authentication
- Contractual SLAs
- +5 more

as of 2026-08-21verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	Envoy AI Gateway	OpenRouter
WebPlatforms	✗	✓
CLIPlatforms	✓	✓
Cloud / SaaSDeployment	✗	✓
Self-hostedDeployment	✓	✗

Platforms

Web

Envoy AI Gateway✗

OpenRouter✓

CLI

Envoy AI Gateway✓

OpenRouter✓

Deployment

Cloud / SaaS

Envoy AI Gateway✗

OpenRouter✓

Self-hosted

Envoy AI Gateway✓

OpenRouter✗

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (3)

OpenAI
Anthropic
Mistral

Envoy AI Gateway

18 total - 15 not shared

AWS Bedrock
Azure OpenAI
Google Vertex AI
Google Gemini
Groq
Together AI
Cohere
DeepInfra
DeepSeek
Hunyuan
Tencent LLM Knowledge Engine
SambaNova
Grok
OIDC
cert-manager

Independently observed

OpenRouter

Leader

11 total - 8 not shared

Vercel AI SDK
Claude Code
Cursor
OpenAI SDK
Google
Meta
Model Context Protocol (MCP)
Terraform

Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.