GPTs API offers a single API endpoint for accessing various AI models from providers like OpenAI, Claude, Gemini, DeepSeek, and Grok. It supports models such as GPT-5, GPT-4o, Claude Opus, Claude Sonnet, Gemini 2.5 Pro, and Gemini 2.5 Flash. Key features include no request or TPM limits, pay-as-you-go billing, and high availability with HTTPS security and load balancing. Pricing matches official rates per token for input and output, with examples like GPT-5 at $1.25 per million tokens input and $10 output. Use cases include scalable AI integration for applications requiring multiple model types without provider-specific constraints.
