ChatGPT

Conversational AI assistant by OpenAI for writing, coding and analysis.

AI Chat★★★★★ 4.8 (2100)Freemium
By OpenAISince 2022Models: GPT-4o, GPT-4.1, o3Web · iOS · AndroidAPI: Yes

Best for

Ideal for

  • Writing and editing
  • Coding and debugging
  • Research and summarization
  • Brainstorming and ideation
  • Customer-support drafting
  • Learning and tutoring

Not ideal for

  • Professional video generation
  • Music production
  • CAD or 3D design
  • Fully autonomous agents out of the box

Real-world use cases

  • A marketing team can draft a month of social posts and email sequences in one session.
  • A developer can paste a stack trace and get a working fix in minutes.
  • A student can turn lecture notes into a study guide and practice quiz.
  • A support team can generate first-draft replies from a knowledge base.

Who it is for

Who should use it

StartupsAgenciesDevelopersStudentsMarketersFreelancers

Who should look elsewhere

Video studiosAudio engineersCAD designers

Key features

  • ✓ GPT-4o multimodal input (text, image, voice)
  • ✓ Custom GPTs and the GPT Store
  • ✓ Code interpreter and data analysis
  • ✓ Web browsing and file uploads
  • ✓ Memory across conversations
  • ✓ Team and Enterprise admin controls

Pricing

Free$0

GPT-4o mini with limited GPT-4o

Plus$20/mo

Full GPT-4o, higher limits, custom GPTs

Team$25/user/mo

Shared workspace and admin

EnterpriseCustom

SSO, unlimited use, data controls

Pros & cons

Pros

  • Best-in-class general reasoning and writing
  • Largest ecosystem of GPTs and integrations
  • Fast, reliable and truly multimodal

Cons

  • Advanced usage needs a paid plan
  • Rate limits during peak demand
  • Not specialized for video or audio

Integrations

ZapierSlackMicrosoft 365CanvaNotion

API & developers

OpenAI exposes the same models through its API for chat, vision, function calling and Assistants, billed per token — so teams can build ChatGPT-grade features into their own products.

ChatGPT alternatives

Learning resources

Latest updates

  • GPT-4o added native voice and image input.
  • Projects and improved memory rolled out to Plus users.

FAQ

Is ChatGPT free?
Yes. The free tier runs GPT-4o mini with limited GPT-4o; ChatGPT Plus at $20/mo unlocks full GPT-4o and higher limits.
Does ChatGPT have an API?
Yes — OpenAI's API exposes the same models for developers, billed per token.
What is the best ChatGPT alternative?
For long-document reasoning, Claude; for cited web answers, Perplexity.