探索52家AI服务商、325个模型和7项核心能力之间的关系。了解哪些服务商在哪些能力上占据主导地位，发现AI生态的结构。
The AI model ecosystem encompasses all the providers, models, tools, and infrastructure that make up the AI API landscape. It includes model providers like OpenAI, Anthropic, and Google, as well as inference platforms, fine-tuning services, and developer tools.
There are over 300 AI models available through APIs as of 2026, from 35+ providers. This includes large language models for text, image generation models, video models, and specialized models for coding, math, and reasoning.
OpenAI, Anthropic, Google, and Meta are the leading AI model providers. OpenAI leads with GPT-5 and o-series reasoning models, Anthropic with Claude, Google with Gemini, and Meta with open-source Llama models.