# Envoy AI Gateway vs Keywords AI

**Leader by Vioscale score:** Keywords AI

| Attribute | Envoy AI Gateway | Keywords AI |
|---|---|---|
| **Vioscale score** | 48.7 (28% (low)) | 63.5 (74% (medium)) |
| activity.commits_last_30d | 65 | - |
| adoption.dependent_repos | 0 | - |
| adoption.github_stars | 1,961 | - |
| deployment.options | `{"self_hosted":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | 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. | 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. |
| features.capabilities | - | `{"caching":"exact","pricing_model":"usage-based-saas","rate_limiting":true,"deployment_model":"managed-SaaS","routing_strategy":"custom","automatic_failover":true,"budget_spend_controls":true,"openai_compatible_api":true,"virtual_key_management":true,"request_cost_observability":true}` |
| integrations.count | 18 | 4 |
| 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":"PostHog"},{"name":"Vercel AI"},{"name":"n8n"},{"name":"OpenTelemetry"}]` |
| language.primary | Go | - |
| license.spdx | Apache-2.0 | - |
| market.availability | - | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://aigateway.envoyproxy.io","retrievedAt":"2026-08-19T13:42:04.915Z"}` | `{"type":"hybrid","plans":[{"free":true,"name":"Free","summary":"Free","features":["Full platform","2 evaluators","5 prompts","Log management","Community Discord"],"commitment":"monthly","components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"logs":"100k/mo","prompts":"5","evaluators":"2"}},{"free":false,"name":"Team","summary":"$199/month","features":["Everything in Free","Unlimited datasets","Unlimited evaluators","Unlimited prompts","Private Slack channel","SOC 2 report","Email support"],"commitment":"monthly","components":[{"kind":"fixed","amount":199,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"prompts":"Unlimited","datasets":"Unlimited","evaluators":"Unlimited"}},{"free":false,"name":"Enterprise","summary":"Custom pricing","features":["Custom packages","Volume discount","Custom SLAs","Dedicated support engineer","HIPAA BAA"],"contactSales":true}],"addOns":[{"name":"Additional logs","components":[{"per":{"qty":100000,"unit":"logs"},"kind":"metered","amount":8,"currency":"USD"}]},{"name":"Additional evaluation scores","components":[{"per":{"qty":1000,"unit":"scores"},"kind":"metered","amount":1,"currency":"USD"}]},{"name":"Additional seats","components":[{"kind":"per_unit","unit":"member","amount":15,"period":"month","currency":"USD"}]},{"name":"HIPAA compliance","components":[{"kind":"fixed","amount":249,"period":"month","currency":"USD"}]}],"summary":"Free tier available. Team plan $199/month. Usage add-ons from $1/1k scores and $8/100k logs. Enterprise on request.","currency":"USD","freeTier":true,"sourceUrl":"https://www.keywordsai.co/pricing","retrievedAt":"2026-08-25T21:45:22.085Z","startingPrice":{"amount":199,"period":"month","currency":"USD"},"billingPeriods":["month"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | freemium |
| pricing.price_level | free | high |
| pricing.starting_price | - | `{"amount":199,"currency":"USD"}` |
| pricing.transparent | - | yes |
| release.cadence_days | 11 | - |
| release.history | `[{"url":"https://github.com/envoyproxy/ai-gateway/releases/tag/v1.1.0","date":"2026-08-21T18:23:16Z","type":"stable","version":"v1.1.0"},{"url":"https://github.com/envoyproxy/ai-gateway/releases/tag/v1.0.0","date":"2026-06-23T15:32:39Z","type":"stable","version":"v1.0.0"},{"url":"https://github.com/envoyproxy/ai-gateway/releases/tag/v1.0.0-rc1","date":"2026-06-23T02:37:10Z","type":"prerelease","version":"v1.0.0-rc1"},{"url":"https://github.com/envoyproxy/ai-gateway/releases/tag/v0.7.0","date":"2026-06-06T20:59:58Z","type":"stable","version":"v0.7.0"},{"url":"https://github.com/envoyproxy/ai-gateway/releases/tag/v0.6.0","date":"2026-05-05T20:43:06Z","type":"stable","version":"v0.6.0"},{"url":"https://github.com/envoyproxy/ai-gateway/releases/tag/v0.6.0-rc1","date":"2026-04-30T21:12:21Z","type":"prerelease","version":"v0.6.0-rc1"},{"url":"https://github.com/envoyproxy/ai-gateway/releases/tag/v0.5.0","date":"2026-01-23T21:17:55Z","type":"stable","version":"v0.5.0"},{"url":"https://github.com/envoyproxy/ai-gateway/releases/tag/v0.5.0-rc1","date":"2026-01-12T19:47:59Z","type":"prerelease","version":"v0.5.0-rc1"},{"url":"https://github.com/envoyproxy/ai-gateway/releases/tag/v0.4.0","date":"2025-11-08T00:55:51Z","type":"stable","version":"v0.4.0"},{"url":"https://github.com/envoyproxy/ai-gateway/releases/tag/v0.4.0-rc2","date":"2025-11-07T22:42:47Z","type":"prerelease","version":"v0.4.0-rc2"},{"url":"https://github.com/envoyproxy/ai-gateway/releases/tag/v0.4.0-rc1","date":"2025-11-05T21:31:00Z","type":"prerelease","version":"v0.4.0-rc1"},{"url":"https://github.com/envoyproxy/ai-gateway/releases/tag/v0.3.0","date":"2025-08-21T10:28:43Z","type":"stable","version":"v0.3.0"},{"url":"https://github.com/envoyproxy/ai-gateway/releases/tag/v0.3.0-rc2","date":"2025-08-21T10:01:37Z","type":"prerelease","version":"v0.3.0-rc2"},{"url":"https://github.com/envoyproxy/ai-gateway/releases/tag/v0.3.0-rc1","date":"2025-08-15T04:15:29Z","type":"prerelease","version":"v0.3.0-rc1"},{"url":"https://github.com/envoyproxy/ai-gateway/releases/tag/v0.2.1","date":"2025-06-10T04:01:45Z","type":"stable","version":"v0.2.1"},{"url":"https://github.com/envoyproxy/ai-gateway/releases/tag/v0.2.0","date":"2025-06-05T21:20:28Z","type":"stable","version":"v0.2.0"},{"url":"https://github.com/envoyproxy/ai-gateway/releases/tag/v0.2.0-rc3","date":"2025-06-05T21:12:25Z","type":"prerelease","version":"v0.2.0-rc3"},{"url":"https://github.com/envoyproxy/ai-gateway/releases/tag/v0.2.0-rc1","date":"2025-06-02T22:27:40Z","type":"prerelease","version":"v0.2.0-rc1"},{"url":"https://github.com/envoyproxy/ai-gateway/releases/tag/v0.1.5","date":"2025-07-04T17:22:33Z","type":"stable","version":"v0.1.5"},{"url":"https://github.com/envoyproxy/ai-gateway/releases/tag/v0.1.4","date":"2025-03-20T20:37:28Z","type":"stable","version":"v0.1.4"}]` | - |
| reliability.sla_pct | - | 99.9 |
| security.gdpr | - | yes |
| security.hipaa | - | yes |
| security.iso27001 | - | yes |
| security.soc2 | - | yes |
| security.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"}` | - |

## Capabilities (Llm Gateways)

| Capability | Envoy AI Gateway | Keywords AI |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Openai compatible API | - | ✓ |
| Automatic failover | - | ✓ |
| Routing strategy | - | Custom |
| 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 |

*Source: Vioscale. Generated 2026-09-01T17:14:47.611Z. "-" = undocumented, not absent.*