OpenAI API

API for GPT models, images, audio and agents.

Is OpenAI API right for you?

OpenAI API is ranked #2 of 5 in AI APIs & models on ShipStack. Best for: General-purpose apps. Broadest ecosystem.

Claude Platform: Claude models plus managed agent harness and infrastructure via API.

Best for: Coding and agentic tasks

Top-tier coding performance

Google's Gemini models via AI Studio and API.

Best for: Long-context and multimodal

Gemini 4 Argon now available

Unified API to hundreds of models.

Best for: Model switching / comparisons

One key, many models