Skip to main content
nexeai
AI assistants

The best general-purpose AI assistants

Conversational AI for everything: writing, summarizing, analyzing a document, preparing a meeting. Almost always the first tool a company adopts.

Get a review of your tools

12 tools listed in this category · back to the full ranking

Browser extensions · AI assistants

Merlin

Browser extension that overlays a multi-model AI assistant onto Gmail, LinkedIn, YouTube and the rest of the web.

Free version, then paid·from $19/month

AI assistants

Meta AI

Meta's general-purpose AI assistant, available standalone or integrated into WhatsApp, Instagram and Facebook.

AI assistants

Microsoft Copilot

Microsoft's general-purpose AI assistant, integrated into Windows and Edge, for answering, writing and searching the web.

Browser extensions · AI assistants

Monica

Browser extension that gives access to several AI models (GPT, Claude, Gemini...) directly on any web page.

Free version, then paid·from $10/month

AI assistants

Pi

Inflection AI's conversational AI assistant, designed for spoken and written exchange rather than content production.

AI assistants

Poe

Platform that centralizes models from several vendors (OpenAI, Anthropic, Google, Meta) and user-created bots in a single interface.

Free version, then paid·from $4.99/month

Need help choosing?

We measure these tools against your real constraints — budget, privacy, your team's skill level — and tell you which one holds up in your setting.