LLM: Large Language Models

OpenAI: Models, Features, and Pricing

Strategy, advanced language models, and tool ecosystem of ChatGPT and OpenAI

AI Pioneers and the Creators of ChatGPT

OpenAI has led the global revolution in generative artificial intelligence with tools that redefine personal and corporate productivity.

ChatGPT, OpenAI’s flagship platform, is a conversational artificial intelligence powered by state-of-the-art language models, such as GPT-4o, designed to deliver precise answers and sustain natural dialogues. Since its launch, it has transformed communication, software engineering, productivity, and learning, establishing itself as an essential tool across global industries.

OpenAI continuously expands its ecosystem with groundbreaking innovations such as Sora, a video generation model capable of creating realistic and creative footage from text prompts, and DALL·E 3, which transforms descriptive prompts into high-resolution images. In addition, ChatGPT Search enhances conversations with timely, verified web information in real time.

The platform is advancing toward sophisticated agentic workflows through Custom GPTs, an interactive Advanced Voice Mode for natural-intonation conversations, and deep code execution and data analysis capabilities.

Models

Latest OpenAI Models

Discover OpenAI’s family of language, reasoning, and coding models

GPT 5

GPT 5

A next-generation model delivering rapid, authoritative responses with expanded reasoning capabilities.

GPT o3 mini

GPT o3-mini

Optimized o3 model featuring configurable reasoning effort for logic, STEM, and advanced coding challenges.

GPT o3

GPT o3

Experimental frontier reasoning model designed for step-by-step problem solving across complex domains.

o3-pro

o3-pro

High-precision model with expanded compute designed for mission-critical professional workflows.

o4-mini

o4-mini

Next-generation multimodal model offering an optimal balance of speed, cost efficiency, and intelligence.

GPT-OSS

GPT-OSS

Open-weights model family engineered to provide technological independence and local on-premise deployment.

Get the Most Out of ChatGPT

Key Features

Native built-in tools to enhance productivity, data analysis, and content creation

✏️

Canvas

Work in a dedicated interactive space to write, edit, refine, and debug text and code side-by-side.

🔍

ChatGPT Search

Real-time web search with verified sources and direct citations embedded seamlessly into the chat interface.

🤖

Custom GPTs

Create tailored AI assistants suited to your company’s needs by combining custom instructions, proprietary knowledge, and automated actions.

🎙️

Advanced Voice Mode

Natural real-time voice conversations featuring realistic intonation, instant interruption handling, and emotional nuance.

📁

File Uploads

Analyze PDFs, spreadsheets, images, and code with interactive execution and key insight extraction.

📅

Scheduled Tasks

Automate reminders, scheduled research runs, and routine data summaries with no manual intervention needed.

⚙️

Operator

OpenAI’s groundbreaking autonomous agent capable of browsing the web and executing complex tasks directly in your browser.

📂

ChatGPT Projects

Organize dedicated workspaces with project-specific files, shared instructions, and isolated conversations.

🏪

GPT Store

Official directory of specialized community-built assistants for education, workflow automation, and design.

Video Creation and Editing

Sora: Generate Videos from Prompts

Sora is an innovative artificial intelligence model developed by OpenAI that revolutionizes audiovisual creation by generating realistic videos from text descriptions. It brings visual concepts to life, animates static images, and transforms existing video footage into stunning new artistic styles.

Sora video generation OpenAI
DALL-E artificial intelligence

Image Creation and Editing

DALL·E 3: Generate Images with AI

DALL·E 3 is one of the world’s most precise visual generation systems, natively integrated into ChatGPT. It understands nuanced natural language prompts to create detailed illustrations, conceptual artwork, infographics, and graphic design concepts with exceptional fidelity.

Plans and Pricing

ChatGPT and OpenAI Pricing

Subscription plans tailored for individuals, professionals, and enterprise organizations

Free

$0 / month
  • Access to GPT-4o and GPT-4o mini with standard usage limits.
  • Standard voice mode.
  • Basic data analysis, web browsing, and DALL·E image generation.
  • Access to community-shared Custom GPTs.
Popular

Plus

$20 / month
  • Priority access to advanced models (GPT-4o, o1-mini).
  • Faster response times during peak demand without waiting queues.
  • Unlimited Advanced Voice Mode.
  • Early access to new features (Canvas, Search).
  • Create and deploy your own Custom GPTs.

Pro

$200 / month
  • Unlimited access to all reasoning models (o1, o1-pro).
  • Unlimited high-bandwidth Advanced Voice Mode.
  • Pro mode with extended compute for deep technical problem-solving.
  • Highest compute priority designed for researchers and engineers.

Team

$25 – $30 / user / month
  • Everything in the Plus plan with significantly higher usage caps.
  • Secure, collaborative workspace for teams.
  • Dedicated admin console and enterprise data privacy (no model training).
  • Higher message limits and flexible team workspace capabilities.

Enterprise

Custom (Contact Sales)
  • Enterprise capacity, scalable usage limits, and maximum context windows.
  • Highest-grade enterprise security (SOC 2, strict data encryption).
  • 24/7 priority technical support with guaranteed uptime SLAs.
  • Custom model fine-tuning and proprietary domain deployment.

Key Figures

Key People at OpenAI

The founders and leaders who have driven the creation of ChatGPT and major AI breakthroughs

👤

Sam Altman

CEO and Co-founder of OpenAI

Visionary leader and chief architect of OpenAI’s worldwide strategic and commercial expansion.

🧠

Ilya Sutskever

Co-founder and former Chief Scientist

Scientific mind behind foundational breakthroughs in deep learning and GPT architecture.

🚀

Elon Musk

Early Co-founder

Key supporter and early investor in OpenAI in 2015 before launching xAI.

Related Articles and Guides

In-depth guides and analysis of flagship OpenAI language and reasoning models:

GPT-4o

GPT-4o: Real-Time Multimodality

Flagship omni model featuring native integration of voice, text, and vision.

Read article →
GPT-4o mini

GPT-4o mini: Fast and Efficient

ChatGPT base model for everyday tasks at minimal compute cost.

Read article →
OpenAI o1

o1: Deep Reasoning

Deliberative model with internal chain-of-thought for science and code.

Read article →
OpenAI o1-mini

o1-mini: STEM Specialization

Ultra-fast mathematical and algorithmic reasoning at lower cost.

Read article →
OpenAI o3

GPT o3: Frontier Reasoning

Breakthrough software engineering capabilities with next-generation structured reasoning.

Read article →
OpenAI o3-mini

o3-mini: Configurable Effort

Dynamic reasoning configurable across three effort levels (Low, Medium, High).

Read article →

Continue learning with practical guides, tutorials, and analysis of ChatGPT and OpenAI

ChatGPT Pro at $200/Month: Is It Worth It?

In-depth analysis of OpenAI’s top-tier plan and whether the cost justifies the benefits.

Read article →

Discover the Best Prompts for ChatGPT

Practical prompt frameworks to unlock maximum performance and accuracy.

Read article →

Is ChatGPT Secure? Encryption and Privacy Explained

Data privacy, chat retention rules, and corporate training policies.

Read article →

7 Apps to Detect ChatGPT-Generated Text

Reliable tools to detect whether digital content was generated by AI.

Read article →

OpenAI and xAI: Unfulfilled Promises

Analysis of release announcements, delays, and expectations across major AI labs.

Read article →

5 Strategies to Practice Languages with ChatGPT

How to use real-time voice mode and instant feedback to master new languages.

Read article →

The Best Alternatives to ChatGPT in 2025

In-depth comparison with Claude, Gemini, DeepSeek, and open-source models.

Read article →

The 7 Most Useful Chatbots in the GPT Store

Curated selection of essential GPTs to automate research, writing, and design.

Read article →

Looking to Integrate Artificial Intelligence Solutions into Your Business?

We provide strategic guidance in selecting and deploying AI models, custom GPTs, and automated workflows.

This post is also available in: Español Русский Italiano

This site is registered on wpml.org as a development site. Switch to a production site key to remove this banner.