# Higress vs Not Diamond

| Attribute | Higress | Not Diamond |
|---|---|---|
| **vioscaleAI score** | 58.4 (55% (medium)) | 62.1 (60% (medium)) |
| activity.commits_last_30d | 93 | - |
| adoption.dependent_repos | 4 | - |
| adoption.github_stars | 9,567 | - |
| content.faq | `[{"answer":"An API gateway that routes requests to multiple language models and manages AI agents through pluggable extensions. Provided as open-source for self-hosting or as a managed cloud service with 99.95% availability guarantee. It is indexed under Llm Gateways.","source":"https://higress.io","question":"What is Higress?","confidence":0.6},{"answer":"Higress offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://higress.io","question":"Is Higress free?","confidence":0.6},{"answer":"Higress supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://higress.io","question":"What platforms does Higress support?","confidence":0.6},{"answer":"Yes. Higress can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://higress.io","question":"Can Higress be self-hosted?","confidence":0.6},{"answer":"We have confirmed 6 integrations for Higress, including OpenAI, Claude, DeepSeek, Aliyun Dashscope, Aliyun DashVector and Doubao. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://higress.io","question":"What does Higress integrate with?","confidence":0.6},{"answer":"Yes. Higress 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/alibaba/higress","question":"Is Higress open source?","confidence":0.95},{"answer":"Higress is available worldwide. Its primary markets are China and the United States. The vendor is headquartered in China.","source":"https://higress.io","question":"Where is Higress available?","confidence":0.75}]` | - |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"cloud":true}` |
| description.long | Higress is an open-source API gateway designed to manage AI workloads, language model integrations, and tool services. It supports both self-hosted deployment and commercial cloud offerings, with production-grade reliability including 99.95% SLA for enterprise deployments. | 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. |
| features.capabilities | `{"caching":"semantic","open_source":true,"pricing_model":"open-source-self-host","rate_limiting":true,"deployment_model":"self-hosted","routing_strategy":"load-based","streaming_support":true,"automatic_failover":true,"openai_compatible_api":true,"request_cost_observability":true}` | `{"pricing_model":"usage-based-saas","deployment_model":"managed-SaaS","routing_strategy":"custom","request_cost_observability":true}` |
| integrations.count | 8 | - |
| integrations.list | `[{"name":"OpenAI"},{"name":"Claude"},{"name":"DeepSeek"},{"name":"Azure OpenAI"},{"name":"Aliyun Dashscope"},{"name":"Aliyun DashVector"},{"name":"Doubao"},{"name":"Kubernetes","native":true,"direction":"bidirectional"},{"name":"Istio","native":true,"direction":"bidirectional"},{"name":"Nginx Ingress","native":false,"category":"proxy","direction":"inbound"},{"name":"Let's Encrypt","native":true,"category":"certificate","direction":"inbound"},{"name":"Tongyiqianwen","native":true,"category":"llm"},{"name":"Doubaoquantum","native":true,"category":"llm"},{"name":"Envoy","native":true,"category":"infrastructure"},{"name":"NGINX","category":"web-server","direction":"bidirectional"},{"name":"Sealos","category":"platform","direction":"bidirectional"}]` | - |
| language.primary | Go | - |
| license.spdx | Apache-2.0 | - |
| market.availability | `{"hqCountry":"CN","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true,"linux":true}` | - |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Open Source","description":"Self-hosted open source version","contactSales":false},{"free":false,"name":"Cloud Commercial","description":"Managed cloud version with 99.95% SLA","contactSales":true}],"summary":"Free open source self-hosted, plus commercial cloud offering","freeTier":true,"sourceUrl":"https://higress.io","retrievedAt":"2026-10-15T21:10:21.868Z"}` | `{"type":"usage","plans":[{"free":false,"name":"Pay-as-you-go","summary":"$0.05 per million tokens routed","features":["Multi-harness support","Multi-provider support","Savings and usage dashboard","Continuous learning from harness usage"],"components":[{"per":{"qty":1,"unit":"million tokens"},"kind":"metered","amount":0.05,"currency":"USD"}],"description":"For developers and small teams","contactSales":false},{"free":false,"name":"Enterprise","summary":"Custom pricing","features":["Volume-based discounts","Organization-wide analytics","Advanced security and admin controls","SSO with SAML","Privacy-preserving deployment"],"description":"For enterprise teams ready to scale","contactSales":true}],"summary":"$0.05 per million tokens; enterprise plans available","currency":"USD","sourceUrl":"https://notdiamond.ai/pricing","retrievedAt":"2026-10-06T22:08:09.888Z","startingPrice":{"unit":"million tokens","amount":0.05,"currency":"USD"}}` |
| pricing.free_tier | yes | - |
| pricing.model | freemium | commercial |
| pricing.price_level | low | low |
| pricing.starting_price | - | `{"amount":0.05,"currency":"USD"}` |
| pricing.transparent | no | yes |
| release.cadence_days | 28 | - |
| release.history | `[{"url":"https://github.com/higress-group/higress/releases/tag/v2.2.5","date":"2026-10-04T19:46:14Z","type":"stable","version":"v2.2.5"},{"url":"https://github.com/higress-group/higress/releases/tag/v2.2.4","date":"2026-08-13T23:49:46Z","type":"stable","version":"v2.2.4"},{"url":"https://github.com/higress-group/higress/releases/tag/v2.2.3","date":"2026-06-25T02:58:49Z","type":"stable","version":"v2.2.3"},{"url":"https://github.com/higress-group/higress/releases/tag/v2.2.2","date":"2026-05-26T01:41:03Z","type":"stable","version":"v2.2.2"},{"url":"https://github.com/higress-group/higress/releases/tag/v2.2.1","date":"2026-04-09T12:23:09Z","type":"stable","version":"v2.2.1"},{"url":"https://github.com/higress-group/higress/releases/tag/v2.1.11","date":"2026-02-22T12:29:31Z","type":"stable","version":"v2.1.11"},{"url":"https://github.com/higress-group/higress/releases/tag/v2.2.0","date":"2026-02-11T09:48:13Z","type":"stable","version":"v2.2.0"},{"url":"https://github.com/higress-group/higress/releases/tag/v2.1.10","date":"2026-02-03T11:30:12Z","type":"stable","version":"v2.1.10"},{"url":"https://github.com/higress-group/higress/releases/tag/v2.1.9","date":"2025-11-13T11:52:04Z","type":"stable","version":"v2.1.9"},{"url":"https://github.com/higress-group/higress/releases/tag/v2.1.9-rc.1","date":"2025-10-09T09:33:03Z","type":"stable","version":"v2.1.9-rc.1"},{"url":"https://github.com/higress-group/higress/releases/tag/v2.1.8","date":"2025-09-21T07:34:39Z","type":"stable","version":"v2.1.8"},{"url":"https://github.com/higress-group/higress/releases/tag/v2.1.7","date":"2025-09-01T07:59:07Z","type":"stable","version":"v2.1.7"},{"url":"https://github.com/higress-group/higress/releases/tag/v2.1.6","date":"2025-07-30T13:53:30Z","type":"stable","version":"v2.1.6"},{"url":"https://github.com/higress-group/higress/releases/tag/v2.1.5","date":"2025-07-02T10:04:17Z","type":"stable","version":"v2.1.5"},{"url":"https://github.com/higress-group/higress/releases/tag/v2.1.5-rc.1","date":"2025-06-18T01:17:20Z","type":"stable","version":"v2.1.5-rc.1"},{"url":"https://github.com/higress-group/higress/releases/tag/v2.1.4","date":"2025-06-10T14:24:05Z","type":"stable","version":"v2.1.4"},{"url":"https://github.com/higress-group/higress/releases/tag/v2.1.3","date":"2025-05-09T07:31:06Z","type":"stable","version":"v2.1.3"},{"url":"https://github.com/higress-group/higress/releases/tag/v2.1.2","date":"2025-04-29T12:55:59Z","type":"stable","version":"v2.1.2"},{"url":"https://github.com/higress-group/higress/releases/tag/v2.1.2-rc.1","date":"2025-04-28T15:03:09Z","type":"stable","version":"v2.1.2-rc.1"},{"url":"https://github.com/higress-group/higress/releases/tag/v2.1.1","date":"2025-04-18T08:48:03Z","type":"stable","version":"v2.1.1"}]` | - |
| reliability.sla_pct | 99.95 | - |
| security.certifications | - | `[{"name":"SOC 2","status":"active"},{"name":"ISO 27001","status":"active"}]` |
| security.iso27001 | - | yes |
| security.soc2 | - | yes |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Falibaba%2Fhigress%2Fplugins%2Fwasm-go&per_page=100","last_12m":0,"max_severity":null}` | - |

## Capabilities (Llm Gateways)

| Capability | Higress | Not Diamond |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Openai compatible API | ✓ | - |
| Automatic failover | ✓ | - |
| Routing strategy | Load based | Custom |
| Caching | Semantic | - |
| Virtual key management | - | - |
| Budget spend controls | - | - |
| Rate limiting | ✓ | - |
| Guardrails moderation | - | - |
| Request cost observability | ✓ | ✓ |
| Streaming support | ✓ | - |
| Deployment model | Self hosted | Managed SaaS |
| Open source | ✓ | - |
| Pricing model | Open source self host | Usage based saas |

*Source: vioscaleAI. Generated 2026-10-16T19:19:22.491Z. "-" = undocumented, not absent.*