Assistants

xAI conversational assistant with real-time X/Twitter awareness and fewer content guardrails

Productized Grok assistant across xAI chat surfaces and coding/agent workflows

OpenAI flagship multimodal assistant with Custom GPTs, voice, canvas, and agent workflows

Anthropic web/desktop assistant for long-context writing, coding, Projects, and Artifacts

Google AI assistant integrated with Workspace, Chrome, and large context windows

Answer engine / research chatbot with citations and multi-model Pro search

Quora multi-model chat hub with custom bots marketplace and point-metered access

Character roleplay and companion chat platform with huge persona community

Free Meta assistant embedded in WhatsApp, Instagram, Messenger, and meta.ai

Microsoft Copilot chat across Bing, Windows, Edge, and Microsoft 365

AI search + chat combining answers with live web results and multi-model modes

Developer-oriented AI search/chat tuned for coding Q&A

Hugging Face free chat UI over many open-source models

Self-hosted ChatGPT-like UI for local/remote LLMs with bots, tools, and RAG

Browser-based autonomous goal-to-tasks agent by Reworkd

Open-source autonomous agent platform with visual builder and local/cloud runs

Autonomous multi-step AI agent that plans/executes research, analysis, and builds in a sandbox

Browser-operating AI agent for navigating sites and completing web workflows

OpenAI browser/computer-use agent for multi-step web tasks

AI chief-of-staff notes app with Mem Agent that captures, connects, and nudges from context

OpenAI platform for building and sharing specialized ChatGPT bots with knowledge and actions

ByteDance visual AI agent studio for building, publishing, and deploying bots/workflows

DeepSeek free/cheap reasoning chatbot for DeepSeek models

European Mistral assistant (Le Chat) on Mistral's own models

DuckDuckGo privacy-focused AI chat proxying models without account tracking

Multi-model AI chat with Mixture-of-Agents routing across GPT/Claude/Gemini/Grok

Community prompt/bot sharing platform with chat over many models

Open-source desktop ChatGPT alternative for fully local offline assistants

Native Slack conversational AI for channel search, summaries, and answers

Perplexity agentic Chromium browser that researches and acts across the web

Open-source + cloud framework for LLM-driven browser automation agents

Vision+LLM browser automation (YC) for resilient web workflows via MCP

Open-source multi-provider ChatGPT clone with agents, plugins, and multi-user

Open-source ChatGPT-style interface widely forked for custom assistant frontends

Amazon browser/computer-use agent for enterprise web task automation

Google AI research notebook assistant that chats over uploaded sources

Multi-model workspace to compare/collaborate ChatGPT, Claude, Gemini, Grok, Perplexity

Unified chat/API gateway across many LLM providers with one key

Long-running AI companion chatbot focused on friendship and emotional support

Power-user front-end for local/remote LLMs focused on character/roleplay bots

Ecosystem of productized Discord AI assistants and custom server bots

Privacy-focused assistant bundled with Kagi search for paid users

Premium ChatGPT-like client UI that connects to many model APIs as a personal bot console

Self-hosted OpenAI-compatible API gateway for local LLMs, TTS, and image models

AI agents on top of Zapier automations