# Not Diamond vs One API

**Leader by vioscaleAI score:** Not Diamond

| Attribute | Not Diamond | One API |
|---|---|---|
| **vioscaleAI score** | 62.1 (60% (medium)) | 46.2 (54% (medium)) |
| activity.commits_last_30d | - | 0 |
| adoption.dependent_repos | - | 0 |
| adoption.github_stars | - | 37,155 |
| content.faq | - | `[{"answer":"An open-source system for managing and redistributing API access across multiple large language model providers—including OpenAI, Claude, Gemini, and others—through a single OpenAI-compatible API. Deploys as a self-contained binary or Docker container. It is indexed under Llm Gateways.","source":"https://github.com/pricing","question":"What is One API?","confidence":0.6},{"answer":"One API is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.","source":"https://github.com/pricing","question":"Is One API free to use?","confidence":0.6},{"answer":"One API supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://github.com/pricing","question":"What platforms does One API support?","confidence":0.6},{"answer":"Yes. One API can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://github.com/pricing","question":"Can One API be self-hosted?","confidence":0.6},{"answer":"We have confirmed 12 integrations for One API, including OpenAI, Anthropic Claude, Google Gemini, DeepSeek, ByteDance Douyin, ChatGLM, Baidu ERNIE Bot and iFLYTEK Spark, plus 4 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://github.com/pricing","question":"What does One API integrate with?","confidence":0.6},{"answer":"Yes. One API is published under the MIT 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/songquanpeng/one-api","question":"Is One API open source?","confidence":0.95}]` |
| deployment.options | `{"cloud":true}` | `{"self_hosted":true}` |
| description.long | 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. | An open-source system for managing and redistributing API access across multiple large language model providers—including OpenAI, Claude, Gemini, and others—through a single OpenAI-compatible API. Deploys as a self-contained binary or Docker container. |
| features.capabilities | `{"pricing_model":"usage-based-saas","deployment_model":"managed-SaaS","routing_strategy":"custom","request_cost_observability":true}` | `{"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,"budget_spend_controls":true,"openai_compatible_api":true,"virtual_key_management":true,"request_cost_observability":true}` |
| integrations.count | - | 12 |
| integrations.list | - | `[{"name":"OpenAI"},{"name":"Azure OpenAI"},{"name":"Anthropic Claude"},{"name":"Google Gemini"},{"name":"DeepSeek"},{"name":"ByteDance Douyin"},{"name":"ChatGLM"},{"name":"Baidu ERNIE Bot"},{"name":"iFLYTEK Spark"},{"name":"Alibaba Tongyi Qianwen"},{"name":"360 Brain"},{"name":"Tencent Hunyuan"},{"name":"Cloudflare Gateway"},{"name":"Alibaba Qwen","native":true},{"name":"Tencent Yuan","native":true},{"name":"Baidu Wenxin","native":true},{"name":"Byte Doubao","native":true},{"name":"360 AI Brain","native":true},{"name":"Claude","native":true,"category":"llm","direction":"bidirectional"},{"name":"Gemini","native":true,"category":"llm","direction":"bidirectional"},{"name":"Doubao","native":true,"category":"llm","direction":"bidirectional"},{"name":"Ernie","native":true,"category":"llm","direction":"bidirectional"},{"name":"Spark","native":true,"category":"llm","direction":"bidirectional"},{"name":"Qwen","native":true,"category":"llm","direction":"bidirectional"},{"name":"360 Smart Brain","native":true,"category":"llm","direction":"bidirectional"},{"name":"Hunyuan","native":true,"category":"llm","direction":"bidirectional"}]` |
| language.primary | - | JavaScript |
| license.spdx | - | MIT |
| market.availability | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | - | `{"web":true}` |
| pricing | `{"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"}}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://github.com/pricing","retrievedAt":"2026-09-14T09:24:50.525Z"}` |
| pricing.free_tier | - | yes |
| pricing.model | commercial | commercial |
| pricing.price_level | low | free |
| pricing.starting_price | `{"amount":0.05,"currency":"USD"}` | - |
| pricing.transparent | yes | - |
| release.cadence_days | - | 19 |
| release.history | - | `[{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.6.10","date":"2025-02-02T12:29:38Z","type":"stable","version":"v0.6.10"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.6.9","date":"2024-12-22T10:26:16Z","type":"stable","version":"v0.6.9"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.6.8","date":"2024-08-06T15:54:14Z","type":"stable","version":"v0.6.8"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.6.7","date":"2024-06-25T14:59:20Z","type":"stable","version":"v0.6.7"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.6.6","date":"2024-05-27T17:50:41Z","type":"stable","version":"v0.6.6"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.6.5","date":"2024-04-19T16:41:28Z","type":"stable","version":"v0.6.5"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.6.4","date":"2024-03-30T02:50:28Z","type":"stable","version":"v0.6.4"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.6.3","date":"2024-03-24T15:45:48Z","type":"stable","version":"v0.6.3"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.6.2","date":"2024-03-15T16:02:51Z","type":"stable","version":"v0.6.2"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.6.1","date":"2024-03-10T11:53:06Z","type":"stable","version":"v0.6.1"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.6.0","date":"2024-03-01T16:03:46Z","type":"stable","version":"v0.6.0"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.5.11","date":"2024-01-14T06:10:03Z","type":"stable","version":"v0.5.11"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.5.10","date":"2023-12-20T14:01:03Z","type":"stable","version":"v0.5.10"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.5.9","date":"2023-12-10T11:53:49Z","type":"stable","version":"v0.5.9"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.5.8","date":"2023-11-24T12:43:21Z","type":"stable","version":"v0.5.8"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.5.7","date":"2023-11-05T11:21:21Z","type":"stable","version":"v0.5.7"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.5.6","date":"2023-10-02T04:24:07Z","type":"stable","version":"v0.5.6"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.5.5","date":"2023-09-17T10:05:37Z","type":"stable","version":"v0.5.5"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.5.4","date":"2023-08-30T13:48:20Z","type":"stable","version":"v0.5.4"},{"url":"https://github.com/songquanpeng/one-api/releases/tag/v0.5.3","date":"2023-08-26T04:43:30Z","type":"stable","version":"v0.5.3"}]` |
| security.certifications | `[{"name":"SOC 2","status":"active"},{"name":"ISO 27001","status":"active"}]` | - |
| security.iso27001 | yes | - |
| security.soc2 | yes | - |
| security.trust_center | - | https://github.com/security |
| security.vulnerabilities | - | `{"count":2,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fsongquanpeng%2Fone-api&per_page=100","last_12m":1,"max_severity":"MODERATE"}` |

## Capabilities (Llm Gateways)

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

*Source: vioscaleAI. Generated 2026-10-16T20:10:54.721Z. "-" = undocumented, not absent.*