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OpenAI API

Access GPT-4, DALL-E, and Whisper via a simple REST API

About OpenAI API

The OpenAI API provides programmatic access to OpenAI's suite of models including GPT-4o, GPT-4, Whisper for speech-to-text, DALL-E for image generation, and embeddings models. Developers can integrate natural language understanding, content generation, and multimodal capabilities into any application. It offers pay-per-token pricing with extensive documentation and SDKs for Python and Node.js.

Details

Pricing
Paid
Platforms
Web
Public API
Yes
Website
openai.com
Added
Apr 23, 2026
Source
awesome

api, platform, tags were inferred from this tool's own description, not confirmed by its maker. Claim this listing to correct it.

How OpenAI API compares

The closest tools in the directory, matched on shared capability rather than category alone.

ToolPricingAPIOpen source
OpenAI API (this tool)PaidYesNot stated
HaystackPaidNot statedYes
LangChainPaidNot statedYes
LlamaIndexPaidNot statedYes
OpenRouterPaidYesNot stated

OpenAI API FAQ

What is OpenAI API used for?

The OpenAI API provides programmatic access to OpenAI's suite of models including GPT-4o, GPT-4, Whisper for speech-to-text, DALL-E for image generation, and embeddings models. Developers can integrate natural language understanding, content generation, and multimodal capabilities into any application. It offers pay-per-token pricing with extensive documentation and SDKs for Python and Node.js.

Is OpenAI API free?

OpenAI API is Paid. Paid tool. Visit the site to view current pricing plans.

What platforms does OpenAI API run on?

OpenAI API runs on Web. It also exposes a public API, so you can call it from your own code or connect it to an AI agent.

What are the best alternatives to OpenAI API?

The closest alternatives are Haystack, LangChain, LlamaIndex, OpenRouter — all coding & dev tools tools that overlap with OpenAI API on coding, developer, llm. See the full list at brofindai.com/alternatives/openai-api.

OpenAI API logo

OpenAI API

openai.com

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Pricing Model

Paid

Paid tool. Visit the site to view current pricing plans.

Quick Info

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