# Envoy AI Gateway vs Kong AI Gateway

**Leader by vioscaleAI score:** Envoy AI Gateway

| Attribute | Envoy AI Gateway | Kong AI Gateway |
|---|---|---|
| **vioscaleAI score** | 59.3 (54% (medium)) | 53.1 (34% (low)) |
| activity.commits_last_30d | 68 | - |
| adoption.dependent_repos | 0 | - |
| adoption.github_stars | 2,229 | - |
| content.faq | `[{"answer":"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. It is indexed under Llm Gateways.","source":"https://aigateway.envoyproxy.io","question":"What is Envoy AI Gateway?","confidence":0.6},{"answer":"Envoy AI Gateway is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://aigateway.envoyproxy.io","question":"Is Envoy AI Gateway free to use?","confidence":0.6},{"answer":"Envoy AI Gateway supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://aigateway.envoyproxy.io","question":"What platforms does Envoy AI Gateway support?","confidence":0.6},{"answer":"Yes. Envoy AI Gateway can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://aigateway.envoyproxy.io","question":"Can Envoy AI Gateway be self-hosted?","confidence":0.6},{"answer":"We have confirmed 17 integrations for Envoy AI Gateway, including OpenAI, AWS Bedrock, Google Vertex AI, Google Gemini, Anthropic, Groq, Together AI and Mistral, plus 9 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://aigateway.envoyproxy.io","question":"What does Envoy AI Gateway integrate with?","confidence":0.6},{"answer":"Yes. Envoy AI Gateway is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/envoyproxy/ai-gateway","question":"Is Envoy AI Gateway open source?","confidence":0.95}]` | `[{"answer":"Kong AI Gateway is a control platform that routes and governs all AI-related traffic—including language model requests, agent-to-agent communication, and model context protocol interactions—with unified security, monitoring, and compliance enforcement across an organization's AI infrastructure. It is indexed under Llm Gateways.","source":"https://konghq.com/products/kong-ai-gateway","question":"What is Kong AI Gateway?","confidence":0.6},{"answer":"Kong AI Gateway offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://konghq.com/products/kong-ai-gateway","question":"Is Kong AI Gateway free?","confidence":0.6},{"answer":"Kong AI Gateway supports the web, Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://konghq.com/products/kong-ai-gateway","question":"What platforms does Kong AI Gateway support?","confidence":0.6},{"answer":"Yes. Kong AI Gateway can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://konghq.com/products/kong-ai-gateway","question":"Can Kong AI Gateway be self-hosted?","confidence":0.6},{"answer":"We have confirmed 24 integrations for Kong AI Gateway, including OpenAI, Anthropic, AWS Bedrock, GCP Gemini, Azure AI, Databricks, Mistral and Huggingface, plus 16 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://konghq.com/products/kong-ai-gateway","question":"What does Kong AI Gateway integrate with?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Kong AI Gateway. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Kong AI Gateway not holding them. Always confirm compliance directly before you rely on it.","source":"https://konghq.com/blog/enterprise/eu-ai-act-compliance","question":"What security certifications does Kong AI Gateway have?","confidence":0.7}]` |
| deployment.options | `{"cloud":true,"hybrid":true,"on_prem":true,"self_hosted":true}` | `{"cloud":true,"hybrid":true,"on_prem":true,"self_hosted":true}` |
| description.long | 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. | A cloud-native gateway platform that manages traffic between applications and large language model providers, offering multi-provider routing with automatic failover, semantic caching, cost visibility, compliance guardrails, and audit logging—without requiring changes to application code. |
| features.capabilities | `{"caching":"semantic","open_source":true,"pricing_model":"open-source-self-host","rate_limiting":true,"deployment_model":"self-hosted","routing_strategy":"custom","streaming_support":true,"automatic_failover":true,"budget_spend_controls":true,"openai_compatible_api":true,"virtual_key_management":true,"request_cost_observability":true}` | `{"caching":"semantic","open_source":true,"pricing_model":"open-source-self-host","rate_limiting":true,"deployment_model":"self-hosted","routing_strategy":"custom","architecture_model":"open_source_proxy","automatic_failover":true,"budget_spend_controls":true,"guardrails_moderation":"built-in","openai_compatible_api":true,"virtual_key_management":true,"request_cost_observability":true,"mit_or_apache_permissive_oss_license":true,"pii_redaction_and_data_masking_in_flight":true,"custom_rate_limiting_by_user_or_tenant_id":true,"auto_fallback_routing_on_rate_limit_or_downtime":true,"organization_wide_cost_tracking_and_chargebacks":true,"semantic_caching_for_repeat_queries_and_cost_savings":true}` |
| integrations.count | 16 | 11 |
| integrations.list | `[{"name":"OpenAI"},{"name":"AWS Bedrock"},{"name":"Azure OpenAI"},{"name":"Google Vertex AI"},{"name":"Google Gemini"},{"name":"Anthropic"},{"name":"Groq"},{"name":"Together AI"},{"name":"Mistral"},{"name":"Cohere"},{"name":"DeepInfra"},{"name":"DeepSeek"},{"name":"Hunyuan"},{"name":"Tencent LLM Knowledge Engine"},{"name":"SambaNova"},{"name":"Grok"},{"name":"OIDC"},{"name":"cert-manager"},{"name":"GCP Vertex AI","native":true},{"name":"Gemini","native":true},{"name":"vLLM","native":true},{"name":"MCP","native":true},{"name":"Kubernetes","native":true},{"name":"AWS STS","native":true,"category":"auth"},{"name":"Entra ID","native":true,"category":"auth"},{"name":"Google STS","native":true,"category":"auth"},{"name":"Google Vertex"},{"name":"Model Context Protocol","category":"tools","direction":"bidirectional"}]` | `[{"name":"OpenAI"},{"name":"Anthropic"},{"name":"AWS Bedrock"},{"name":"GCP Gemini"},{"name":"Azure AI"},{"name":"Databricks"},{"name":"Mistral"},{"name":"Huggingface"},{"name":"Llama"},{"name":"AWS Bedrock Guardrails"},{"name":"Azure Content Safety"},{"name":"Google Cloud Model Armor"},{"name":"Prometheus"},{"name":"Datadog"},{"name":"Grafana"},{"name":"Git"},{"name":"CertManager"},{"name":"Google Cloud Gemini"},{"name":"Hugging Face"},{"name":"Docusign"},{"name":"Kafka"},{"name":"AWS Kinesis"},{"name":"Google Pub/Sub"},{"name":"RabbitMQ"},{"name":"Amazon Kinesis","category":"messaging"},{"name":"Redis"},{"name":"Google Gemini","native":true,"category":"llm","direction":"bidirectional"},{"name":"Microsoft Azure AI","native":true,"category":"llm","direction":"bidirectional"}]` |
| language.primary | Go | - |
| license.spdx | Apache-2.0 | - |
| market.availability | - | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true}` | `{"cli":true,"web":true,"linux":true}` |
| pricing | `{"type":"open_source","summary":"Open-source. Commercial managed hosting and enterprise self-hosted options available.","freeTier":true,"sourceUrl":"https://aigateway.envoyproxy.io","retrievedAt":"2026-10-15T21:05:53.824Z"}` | `{"type":"hybrid","currency":"USD","freeTier":true,"sourceUrl":"https://konghq.com/products/kong-ai-gateway","retrievedAt":"2026-08-21T13:45:38.191Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | freemium |
| pricing.price_level | free | low |
| pricing.transparent | - | no |
| release.cadence_days | 6 | - |
| release.history | `[{"url":"https://github.com/theagentrouter/agent-router/releases/tag/v1.2.0","date":"2026-10-07T11:58:00Z","type":"stable","version":"v1.2.0"},{"url":"https://github.com/theagentrouter/agent-router/releases/tag/v1.2.0-rc1","date":"2026-10-06T08:40:06Z","type":"prerelease","version":"v1.2.0-rc1"},{"url":"https://github.com/theagentrouter/agent-router/releases/tag/v1.1.0","date":"2026-08-21T18:23:16Z","type":"stable","version":"v1.1.0"},{"url":"https://github.com/theagentrouter/agent-router/releases/tag/v1.0.0","date":"2026-06-23T15:32:39Z","type":"stable","version":"v1.0.0"},{"url":"https://github.com/theagentrouter/agent-router/releases/tag/v1.0.0-rc1","date":"2026-06-23T02:37:10Z","type":"prerelease","version":"v1.0.0-rc1"},{"url":"https://github.com/theagentrouter/agent-router/releases/tag/v0.7.0","date":"2026-06-06T20:59:58Z","type":"stable","version":"v0.7.0"},{"url":"https://github.com/theagentrouter/agent-router/releases/tag/v0.6.0","date":"2026-05-05T20:43:06Z","type":"stable","version":"v0.6.0"},{"url":"https://github.com/theagentrouter/agent-router/releases/tag/v0.6.0-rc1","date":"2026-04-30T21:12:21Z","type":"prerelease","version":"v0.6.0-rc1"},{"url":"https://github.com/theagentrouter/agent-router/releases/tag/v0.5.0","date":"2026-01-23T21:17:55Z","type":"stable","version":"v0.5.0"},{"url":"https://github.com/theagentrouter/agent-router/releases/tag/v0.5.0-rc1","date":"2026-01-12T19:47:59Z","type":"prerelease","version":"v0.5.0-rc1"},{"url":"https://github.com/theagentrouter/agent-router/releases/tag/v0.4.0","date":"2025-11-08T00:55:51Z","type":"stable","version":"v0.4.0"},{"url":"https://github.com/theagentrouter/agent-router/releases/tag/v0.4.0-rc2","date":"2025-11-07T22:42:47Z","type":"prerelease","version":"v0.4.0-rc2"},{"url":"https://github.com/theagentrouter/agent-router/releases/tag/v0.4.0-rc1","date":"2025-11-05T21:31:00Z","type":"prerelease","version":"v0.4.0-rc1"},{"url":"https://github.com/theagentrouter/agent-router/releases/tag/v0.3.0","date":"2025-08-21T10:28:43Z","type":"stable","version":"v0.3.0"},{"url":"https://github.com/theagentrouter/agent-router/releases/tag/v0.3.0-rc2","date":"2025-08-21T10:01:37Z","type":"prerelease","version":"v0.3.0-rc2"},{"url":"https://github.com/theagentrouter/agent-router/releases/tag/v0.3.0-rc1","date":"2025-08-15T04:15:29Z","type":"prerelease","version":"v0.3.0-rc1"},{"url":"https://github.com/theagentrouter/agent-router/releases/tag/v0.2.1","date":"2025-06-10T04:01:45Z","type":"stable","version":"v0.2.1"},{"url":"https://github.com/theagentrouter/agent-router/releases/tag/v0.2.0","date":"2025-06-05T21:20:28Z","type":"stable","version":"v0.2.0"},{"url":"https://github.com/theagentrouter/agent-router/releases/tag/v0.2.0-rc3","date":"2025-06-05T21:12:25Z","type":"prerelease","version":"v0.2.0-rc3"},{"url":"https://github.com/theagentrouter/agent-router/releases/tag/v0.2.0-rc1","date":"2025-06-02T22:27:40Z","type":"prerelease","version":"v0.2.0-rc1"}]` | - |
| security.gdpr | - | yes |
| security.trust_center | https://aigateway.envoyproxy.io/docs/0.4/capabilities/security/ | https://konghq.com/blog/enterprise/eu-ai-act-compliance |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=helm&package_name=envoy-ai-gateway%2Fai-gateway-helm&per_page=100","last_12m":0,"max_severity":null}` | - |

## Capabilities (Llm Gateways)

| Capability | Envoy AI Gateway | Kong AI Gateway |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Openai compatible API | ✓ | ✓ |
| Automatic failover | ✓ | ✓ |
| Routing strategy | Custom | Custom |
| Caching | Semantic | Semantic |
| Virtual key management | ✓ | ✓ |
| Budget spend controls | ✓ | ✓ |
| Rate limiting | ✓ | ✓ |
| Guardrails moderation | - | Built in |
| Request cost observability | ✓ | ✓ |
| Streaming support | ✓ | - |
| Deployment model | Self hosted | Self hosted |
| Open source | ✓ | ✓ |
| Pricing model | Open source self host | Open source self host |

*Source: vioscaleAI. Generated 2026-10-16T20:15:34.764Z. "-" = undocumented, not absent.*
