chat.openai.com - 1,8B monthly visitors
- Developed by OpenAI
- Powered by OpenAI’s own GPT model.
- Information cut off in 2022 so the information might not be up-to-date.
- Used by many startups to power their AI features.
copilot.microsoft.com - 30M monthly visitors
- Developed by Microsoft
- Powered by OpenAI’s GPT model.
- Also can access URL links which can provide more up-to-date results.
- Used to power Windows and copilot extension for VS code editor.
gemini.google.com/app - 400M monthly visitors
- Developed by Google (aka Alphabet)
- Powered by Google’s own Gemini model
- Used to power a lot of Google products.
meta.ai - 7M monthly visitors
- Developed by Facebook (aka Meta)
- Powered by Meta’s own LLAMA model
- Used to power facebook and instagram websites and application
claude.ai - 50M
- https://console.anthropic.com/workbench/
- Developed by Anthropic
- Powered by Anthropic’s own Claude model
perplexity.ai - 60M
- https://labs.perplexity.ai/
- Powered by a combination of Claude 3, GPT-4, and LLaMa 3.
- AI powered search engine. Google+ChatGPT
- Perplexity referral code for 50% off ($10 off)
- Powered by own Phind model
- AI powered search engine. Google+ChatGPT
character.ai - 230M
blackbox.ai - 10M
https://poe.com/ - 50M
- Developed by Quora
- Powered by a combination of different models.
https://www.wolframalpha.com/ - 9M
- It is like ChatGPT for science
https://you.com/ - 10M
https://pi.ai/talk - 6M
https://groq.com/ - 4M
app.writesonic.com - 3M
codeium.com - 2M
- Uses new LPT architecture so the results are very fast.
All these chatbots can offer a pro subscription with a monthly fee. This will add some additional features or give access to API. With API access users can create their own custom functionality if needed.