DeepSeek

Open, low-cost AI chat and reasoning models.

Poe

Chat with many AI models — GPT, Claude, Gemini and more — in one app.

Microsoft Copilot

Microsoft’s AI assistant built into Windows, Edge, and Microsoft 365.

Google Gemini

Google’s multimodal AI assistant for chat, writing, images, and research.

Perplexity

An AI answer engine that searches the web and cites its sources.

Claude

Anthropic’s AI assistant, strong at long-form writing, analysis, and coding.

ChatGPT

OpenAI’s conversational AI assistant for writing, analysis, and Q&A.