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AI Chat Apps - Overview

AI Chat Apps

Section titled “AI Chat Apps”

AI chat assistants let you have natural conversations with powerful language models for writing, research, coding help, brainstorming, summarising documents, and much more. This section covers the major platforms.

Section titled “Popular AI Chat Applications”
ChatGPT OpenAI's general-purpose assistant for writing, coding, file analysis, voice, images, and custom GPT workflows.
Claude Anthropic's assistant, known for long document work, careful reasoning, coding help, and clear writing.
Google Gemini Google's multimodal assistant with strong Google ecosystem, Workspace, and large-context capabilities.
Microsoft Copilot Microsoft's assistant across Windows, Edge, Bing, Microsoft 365, and enterprise productivity workflows.
DeepSeek Cost-conscious AI assistant and model family often discussed for open model access and reasoning workflows.
Grok xAI's assistant, commonly associated with real-time X data, conversational answers, and current-event awareness.
Perplexity Search-first AI answer engine focused on citations, web research, source discovery, and concise summaries.
Mistral Le Chat Mistral AI's chat experience for fast responses, European AI models, and developer-friendly model access.
Meta AI Meta's assistant connected to Meta apps and Llama-family model capabilities.
Poe Quora's multi-model chat platform for trying different assistants and bots from one interface.

The Leading AI Chat Platforms

Section titled “The Leading AI Chat Platforms”
PlatformMade ByBest For
ChatGPTOpenAIGeneral purpose, coding, files, voice, and custom GPTs
ClaudeAnthropicLong documents, coding, careful reasoning, and writing
GeminiGoogle DeepMindGoogle Workspace integration, multimodal work, and large context
Microsoft CopilotMicrosoftOffice 365, enterprise, Windows, and Edge integration
DeepSeekDeepSeek AICost-conscious reasoning and open model workflows
GrokxAIReal-time X data, current events, and conversational answers
PerplexityPerplexity AISearch-first answers with citations
Mistral Le ChatMistral AIFast chat, European AI models, and developer access
Meta AIMetaMeta app integration and Llama-based assistance
PoeQuoraMulti-model chat and bot discovery

How to Choose

Section titled “How to Choose”
  • For general work: ChatGPT, Claude, Gemini, or Microsoft Copilot
  • For coding help: Claude, ChatGPT, Gemini, or DeepSeek
  • For research with citations: Perplexity
  • For Office 365 users: Microsoft Copilot
  • For Google Workspace users: Gemini
  • For long documents: Claude or Gemini
  • For real-time web and social context: Perplexity or Grok
  • For comparing multiple bots in one place: Poe

What These Apps Share

Section titled “What These Apps Share”

All major AI chat platforms:

  • Accept text, images, and often files as input
  • Generate human-quality text responses
  • Support multi-turn conversations with memory within a session
  • Offer free tiers and premium paid plans
  • Provide APIs or model access for developers, depending on the platform

Comparing Context Windows

Section titled “Comparing Context Windows”
PlatformContext Window (approx.)
Claude 3.5 / 3.7200,000 tokens
GPT-4o128,000 tokens
Gemini 2.0 Flash1,000,000 tokens
Gemini 2.5 Pro2,000,000 tokens
DeepSeek R1128,000 tokens

A larger context window means you can paste more text, such as long PDFs, transcripts, or code, into a single conversation.

Explore Each Platform

Section titled “Explore Each Platform”

Use the cards above or the left sidebar to navigate to individual platform guides.