Multi-Model AI Chat Apps

Browser sidebar for chatting with several AI models at once, plus summarizing, translating, and pulling text out of images or PDFs.

Best for: People who want one sidebar for quick chat, translation and OCR instead of several single-purpose extensions

Real-time collaborative whiteboard combining notes, a visual canvas, and chat access to several AI models at once.

Best for: Teams wanting a shared visual canvas alongside AI chat instead of two separate tools

One markdown chat interface for multiple AI models, with prompt templates and cost previews, billed via your own API keys.

Best for: developers who already hold API keys for multiple model providers

Runs ChatGPT, Claude, Gemini, and Grok side by side in one thread.

Best for: Users who want to compare how different models answer the same prompt

Open-source chat UI that lets you plug your own API keys into ChatGPT, Replicate, and image models from one interface.

Best for: developers who already hold API keys for OpenAI or Replicate

Encrypted multi-model chat workspace where the subscription converts into model credits

Best for: People who want to compare Claude, GPT, Gemini and Grok in one thread history

Browser sidebar that puts GPT, Claude, Gemini, and other models next to any page you're reading.

Best for: Reading and summarizing long articles or PDFs without leaving the page

Multi-model AI butler that shops, books, and researches for you inside one chat thread.

Best for: Users who want shopping, research, and chat in one thread

Chrome sidebar that opens on any page with several chat models in one panel.

Best for: Reading and summarising long web pages without leaving them

One Swedish-built subscription that fronts ten AI models for writing, images, documents and code

Best for: People who want to compare several models without holding several subscriptions

Company AI workspace that runs models from several providers, documents, agents and scheduled workflows against your CRM and databases.

Best for: European companies that need EU-only processing and redaction across every model their staff use

Browser extension that adds a context-aware AI chat, backed by 100+ models, to any web page

Best for: Users who want an AI chat panel aware of whatever page they are on, across most major browsers

Bring-your-own-key chat front end for GPT, Claude and Gemini

Best for: Heavy users who want one window across OpenAI, Anthropic and Google keys

Pay-as-you-go access to 60+ AI models with no subscription, priced per task instead of a monthly seat.

Best for: Occasional users who don't want a recurring AI subscription

Multi-model chat, image and video app — the AmigoChat brand now ships as Overchat AI

Best for: Casual users who want several frontier models for one low monthly fee

AI agent agency that scopes, builds and maintains apps from a brief or a repository, plus an OpenAI-compatible model gateway.

Best for: Founders without engineers who want a small app or site built and kept running with sign-off on each delivery

Native Mac client for 300+ models on your own keys

Best for: Developers and power users with existing OpenAI or Anthropic keys

Private multi-model AI chat (GPT, Claude, Gemini, DeepSeek, Grok) with memory and daily credits

Best for: Users who want to try GPT, Claude, Gemini, DeepSeek and Grok from one app with memory carried across chats

Native Mac app for asking GPT-4o, Claude, Gemini, and Deepseek the same question at once, plus voice and screenshot Q&A.

Best for: Mac users who want to compare multiple AI models' answers to the same prompt

Multi-model AI chat with one encrypted memory across ChatGPT, Claude and Gemini, plus an opt-in map for meeting people nearby.

Best for: People who regularly switch between ChatGPT, Claude, and Gemini and want continuity

Sends one prompt to several of 30+ AI models at once, including GPT, Claude, Gemini and DeepSeek, for side-by-side comparison.

Best for: Consolidating several AI subscriptions into one place

A native Mac app for chatting with 300+ AI models in one workspace, with local models supported free.

Best for: Mac users who bounce between several AI chat providers daily

Chat with several AI models side by side, compare their answers, and keep conversations private in incognito mode.

Best for: Users who want to compare how different AI models answer the same prompt

Single subscription for chatting with, and comparing answers from, Claude, ChatGPT, Gemini, Grok, and other AI models.

Best for: People currently paying for two or more separate AI chat subscriptions

One subscription covering many chat, image and video models

Best for: Content teams comparing model outputs side by side in one thread

One workspace to run the same prompt across GPT, Claude, and Gemini side by side, with mindmaps and notes.

Best for: Researchers comparing how different models answer the same prompt

Sends one prompt to several AI models at once and merges the replies into a single synthesized answer.

Best for: People who already cross-check the same question across ChatGPT, Claude, and Gemini manually

Puts five frontier models in one thread where each reads the previous answers before adding its own

Best for: Decisions where a single model's confident wrong answer is expensive

One chat window that switches between 25+ AI models without losing conversation context.

Best for: People who already pay for multiple AI chat subscriptions and want to consolidate them