OpenAI · Assistant
ChatGPT
ChatGPT is the all-round assistant with the most features, and Plus runs GPT-6 Sol.
- Costs
- Free; Go $8, Plus $20, Pro from $100/mo
- Runs on
- GPT-6 Sol on Plus, GPT-6 Luna on Free, GPT-6.1 Terra in Work and Codex
- Best for
- Everyday questions, Hard problems, Making images, Editing photos, Images & screenshots
Where it shines
- Intelligent UI turns everyday answers into interactive, visual layouts.
- GPT Image 2.5 makes and edits images in the same chat.
- Terra in ChatGPT Work can click and type across apps for you.
Where it struggles
- Free and Go plans show ads.
- Terra's computer use can send, delete or pay with one wrong click.
See the models it runs
Compare it with these apps
Perplexity
Perplexity
Perplexity searches the web and answers with sources you can click and check.
ResearchEveryday questions
Google AI Mode
Google AI Mode answers your searches inside Google, with Gemini 4 Argon for paid subscribers.
ResearchEveryday questions
- Costs
- AI Pro $19.99/mo for Argon
- Runs on
- Gemini 4 Argon on AI Pro and Ultra
Anthropic
Claude
Claude is Anthropic's app for writing and long documents, with Opus 5.5 on paid plans.
WritingLong documentsImages & screenshots
- Costs
- Free; Pro $20/mo, Max $100 or $200/mo
- Runs on
- Claude Opus 5.5 on paid plans, plus Anthropic's other Claude models
Gemini
Gemini is the home of Gemini 4 Argon, our pick for everyday questions and work.
Everyday questionsProfessional workResearch
- Costs
- Free; AI Plus $4.99, AI Pro $19.99/mo
- Runs on
- Gemini 4 Argon, Gemini 3.8 Flash, Nano Banana 2.1
Leaderboards don’t rank apps, so Claude writes this page from its own web research. Prices and plans change often; check chatgpt.com before you buy.