Not Diamond vs One API
No leader: the top candidate Not Diamond has only 0.05 confidence (low), below the 0.35 needed to declare a winner. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.
Capabilities
Feature-by-feature on the axes that matter for llm gateways. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Not Diamond
Not documented yet.
One API
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.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Not Diamond
Pricing not documented yet.
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
Not Diamond
Not documented yet.
One API
- OpenAI
- Azure OpenAI
- Anthropic Claude
- Google Gemini
- DeepSeek
- ByteDance Douyin
- ChatGLM
- Baidu ERNIE Bot
- iFLYTEK Spark
- Alibaba Tongyi Qianwen
- 360 Brain
- Tencent Hunyuan
- Cloudflare Gateway
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.