OpenAI

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Leading AI Research and Deployment Company

  • Most Advanced AI Models
    Access to GPT-4o (multimodal), o1 and o3 (advanced reasoning), GPT-4 Turbo, DALL-E 3 (image generation), Sora (video generation), and Whisper (speech recognition).
  • ChatGPT – 300M+ Weekly Users
    World’s most popular AI assistant with web interface, mobile apps, and desktop applications for natural conversation, research, coding, and creative tasks.
  • Advanced Reasoning with o1 & o3
    Breakthrough reasoning models that think before responding, excelling at complex problem-solving, mathematics, coding, and scientific analysis.
  • Multimodal Capabilities
    GPT-4o processes text, images, audio, and video in a single model, enabling seamless cross-modal understanding and generation.
  • Developer-Friendly API
    Simple REST API with SDKs for Python, Node.js, and more, plus comprehensive documentation, code examples, and playground for rapid prototyping.
  • Function Calling & Tools
    Native function calling enables AI agents to interact with external APIs, databases, and services for complex automated workflows.
  • Fine-Tuning Capabilities
    Customize GPT-4o mini and GPT-3.5 Turbo with your own data for domain-specific tasks, brand voice, and specialized applications.
  • Enterprise Security & Compliance
    SOC 2 compliant, zero data retention options, SSO integration, and enterprise-grade security through OpenAI API and Azure OpenAI Service.
  • Vision & Image Generation
    GPT-4o analyzes images, charts, and documents while DALL-E 3 creates photorealistic images from text descriptions with unprecedented quality.
  • Continuous Innovation
    Regular model updates, new capabilities, and breakthrough research including GPT-5 development, ensuring access to cutting-edge AI technology.
Demos, docs and playgrounds

  • Try ChatGPT for free with GPT-4o mini – conversational AI for research, writing, coding, analysis, and creative tasks.

  • Interactive playground to test GPT-4o, o1, DALL-E 3, and other models with adjustable parameters and real-time responses.

  • Create stunning images from text descriptions using DALL-E 3’s advanced image generation capabilities.

  • Runnable code examples and guides for common OpenAI API use cases including embeddings, function calling, and RAG.

  • Experience state-of-the-art speech-to-text transcription and translation across 99 languages with Whisper.

Helpful resources

  • Introduction to ChatGPT-5
    Official introduction to ChatGPT-5.
  • OpenAI Spring Update
    Live demonstration of GPT-4o’s multimodal capabilities including real-time audio, vision, and text processing.
  • Explaining OpenAI’s o1 Reasoning Models
    Deep dive into OpenAI’s o1 reasoning model designed for complex problem-solving, mathematics, and coding tasks.
  • OpenAI API Masterclass: Platform, Models & API Explained
    OpenAI API Masterclass: GPT-4, ChatGPT, Assistants API, DALL-E, Whisper, hosted by Bart Slodyczka.