General-purpose AI assistants for research, writing and everyday questions.
OpenAI's general-purpose AI assistant
ChatGPT remains the most widely used AI assistant, valued for its versatility across writing, coding, research and image generation in one chat interface.
Pricing Free tier available; Go from $8/mo, Plus from $20/mo, Pro from $200/mo
Anthropic's AI assistant, known for careful, high-quality writing
Claude is frequently praised for natural, well-reasoned prose and a large context window, making it a favorite for long documents, writing and coding tasks.
Pricing Free tier available; Pro from $20/mo
AI answer engine with real-time, cited web search
Perplexity pairs an AI model with live web search and inline citations, positioning itself as a research-first alternative to traditional search engines, and now also ships its own AI-native browser, Comet.
Pricing Free tier available; Pro from $20/mo, Max at $200/mo
Google's AI assistant integrated across Workspace
Gemini is built into Gmail, Docs and Search, giving it deep access to a user's existing Google Workspace content for drafting and summarizing, backed by the largest context window among major assistants.
Pricing Free tier available; AI Pro from $19.99/mo (AI Plus from $4.99/mo)