The quick take
APIs for reasoning, text, vision, audio, images, embeddings, and tool-using agents.
OpenAI API is a compelling choice for teams that prioritize reasoning models, multimodal input, realtime audio. Validate the current limits against your expected production volume before committing.
Key features
Pricing & free tier
Usage-based; promotional credits may vary. Pricing shown here is directional and should be confirmed on the provider’s website.
Developer fit
Supported interfaces include Python, JavaScript, REST. The right fit depends on your team’s operational needs, volume, compliance requirements, and preference for managed versus self-hosted infrastructure.
Frequently asked questions
Is OpenAI API free or paid?
The OpenAI API is usage-based. Promotional or trial credits may occasionally be available, but developers should plan for paid model, token, media, storage, or tool usage according to the current pricing page.
How much does an OpenAI API cost?
Cost varies by model and feature, including input and output tokens and certain tools or media operations. ChatGPT subscriptions are separate from API billing, so calculate costs from the current API pricing for the chosen workload.