vioscale
Comparison

Envoy AI Gateway vs Keywords AI

On the evidence we track, Keywords AI leads this comparison with a composite score of 64/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Envoy AI Gateway full profile →Keywords AI full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Envoy AI Gateway49
★Keywords AI64
Score
Vioscale score
Envoy AI Gateway49 / 100low · 28%
Keywords AI64 / 100medium · 74%
Pricing
Free tier
Envoy AI Gateway✓
Keywords AI✓
Model
Envoy AI Gatewaycommercial
Keywords AIfreemium
Price level
Envoy AI Gatewayfree
Keywords AIhigh
Starting price
Envoy AI Gateway–
Keywords AI$199
Transparent
Envoy AI Gateway–
Keywords AI✓
Integrations
Count
Envoy AI Gateway18
Keywords AI4
Security
Gdpr
Envoy AI Gateway–
Keywords AI✓
Hipaa
Envoy AI Gateway–
Keywords AI✓
Iso27001
Envoy AI Gateway–
Keywords AI✓
Soc2
Envoy AI Gateway–
Keywords AI✓
Vulnerabilities
Reliability
Sla pct
Envoy AI Gateway–
Keywords AI99.9
Adoption
Dependent repos
Envoy AI Gateway0
Keywords AI–
Github stars
Envoy AI Gateway1,961
Keywords AI–
Activity
Commits last 30d
Envoy AI Gateway65
Keywords AI–
Release
Cadence days
Envoy AI Gateway11
Keywords AI–
History
Envoy AI Gateway20 items
Keywords AI–
License
Spdx
Envoy AI GatewayApache-2.0
Keywords AI–
Language
Primary
Envoy AI GatewayGo
Keywords AI–
Market
Availability
Envoy AI Gateway–
Keywords AIAvailable worldwide · Popular in US

Capabilities

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

Capabilities
Openai compatible API
Envoy AI Gateway-
Keywords AI✓
Automatic failover
Envoy AI Gateway-
Keywords AI✓
Routing strategy
Envoy AI Gateway-
Keywords AICustom
Caching
Envoy AI Gateway-
Keywords AIExact
Virtual key management
Envoy AI Gateway-
Keywords AI✓
Budget spend controls
Envoy AI Gateway-
Keywords AI✓
Rate limiting
Envoy AI Gateway-
Keywords AI✓
Guardrails moderation
Envoy AI Gateway-
Keywords AI-
Request cost observability
Envoy AI Gateway-
Keywords AI✓
Streaming support
Envoy AI Gateway-
Keywords AI-
Deployment model
Envoy AI Gateway-
Keywords AIManaged SaaS
Open source
Envoy AI Gateway-
Keywords AI-
Pricing model
Envoy AI Gateway-
Keywords AIUsage 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

Keywords AI

Leader

An LLM engineering platform providing a single endpoint to reach 1000+ language models from all major providers, with built-in request caching, automatic fallback when services fail, real-time cost and usage observability, and granular budget and rate limiting controls per key or user.

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 verify ↗

Keywords AI

Leader
from $199/moHybridFree tier

Free tier available. Team plan $199/month. Usage add-ons from $1/1k scores and $8/100k logs. Enterprise on request.

  • FreeFree
    • Full platform
    • 2 evaluators
    • 5 prompts
    • Log management
    • Community Discord
  • Team$199/month
    • Everything in Free
    • Unlimited datasets
    • Unlimited evaluators
    • Unlimited prompts
    • Private Slack channel
    • +2 more
  • EnterpriseContact sales
    • Custom packages
    • Volume discount
    • Custom SLAs
    • Dedicated support engineer
    • HIPAA BAA
as of verify ↗

Platform & deployment

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

Platforms
Web
Envoy AI Gateway✗
Keywords AI✓
CLI
Envoy AI Gateway✓
Keywords AI✓
Deployment
Cloud / SaaS
Envoy AI Gateway✗
Keywords AI✓
Self-hosted
Envoy AI Gateway✓
Keywords AI✓

Integrations

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

Envoy AI Gateway

18 total
  • 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
Independently observed

Keywords AI

Leader
4 total
  • PostHog
  • Vercel AI
  • n8n
  • OpenTelemetry
Independently observed

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