AI APIs and Developer Pricing Resources

If you plan to build your own applications that call AI models, you will use an API. This page links to official pricing and documentation pages so you can plan and budget projects correctly.

Popular AI APIs and Official Pricing Pages

For students who plan to build applications or automations with AI, it is important to know where to find official API pricing. The table below links directly to each provider's pricing documentation so you can see the most current token and model costs.

Provider / API Pricing Information Notes
OpenAI API (ChatGPT / GPT models) OpenAI official pricing page Pay-as-you-go pricing based on tokens for different GPT models, including GPT‑4o and GPT‑4o mini.
Anthropic Claude API Anthropic Claude pricing Token-based pricing for Claude 3 models; separate input and output token rates.
Google Gemini API Google AI / Gemini pricing Pricing by model type (e.g., Gemini 1.5 Pro, Flash) and by input/output tokens or image use.
Microsoft Azure OpenAI Service Azure OpenAI pricing Uses Azure billing with per‑1K token pricing for GPT models and region‑based availability.
Hugging Face Inference / Endpoints Hugging Face pricing Pricing varies by hardware, model, and whether you use shared or dedicated endpoints.