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Compare plans, free tiers and API access across thousands of AI tools — every fact carries its source and check date.
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Free to startAssistant
ChatHawk is a multi-model AI chat app that queries flagship models such as GPT-5.5, Gemini, Claude, and Grok in parallel so you can compare answers and spot consensus. Marketing highlights incognito mode without chat history retention.
Free planResearch
ChatHelp.ai is an AI assistant platform for business, work, and study that combines a website chat widget, custom knowledge bases, and 100+ AI tools while letting customers bring their own LLM API keys. It supports training bots on uploaded documents and site content for support and internal Q&A.
No free planResearch
Chathero is a German AI agent platform for mid-market companies that unifies customer communication across voice, web chat, and WhatsApp with role-based agents for marketing, sales, and support. It advertises GDPR-compliant EU hosting and a shared knowledge base for every channel.
Free planAssistant
ChatHN is an open-source demo chatbot that uses OpenAI Functions and the Vercel AI SDK to query Hacker News with natural language.
Free to startResearch
ChatHub lets you send one prompt to many AI chatbots—GPT, Claude, Gemini, DeepSeek, Grok, Llama, and more—and compare answers side by side. It ships as a web app, browser extension, and mobile/desktop clients with file upload, web search, prompts, and image tools.
Free trialImages
ChatImg is a conversational photo editor that runs models such as GPT Image 2, Nano Banana, and Seedream inside one chat box. Upload an image, describe the change, and download edited or restyled results with signup credits and optional subscriptions.
Free planAssistant
Chatisto provides an AI customer support agent for small teams that answers web chat and email from your docs, with human handoff, flow builder, unified inbox, and analytics. Pricing is flat per team without per-seat fees on paid tiers.
Free planAssistant
Chative is an ecommerce customer messaging platform with live chat, AI agents, omnichannel inbox, and CRM features built for online stores. It automates FAQs, order tracking, product recommendations, cart recovery, and team collaboration across chat channels.
Free planImages
Chatize is a free ChatGPT-based document chat service that lets you upload PDFs, Office files, ebooks, and other formats, then ask questions and get summaries through a shareable link. Pro adds unlimited files, GPT-4 access, and lifetime chat history storage.
Free tier unknownAssistant
ChatKit is a refined alternative ChatGPT web interface that adds quality-of-life features on top of OpenAI chat workflows. The product positions itself as a polished UI layer for people who want a better day-to-day ChatGPT experience rather than a separate model provider.
Free planAssistant
ChatKPI is an AI data analyst you interact with by text, starting with Shopify store owners. It answers business questions about sales, orders, inventory, and trends, and can return charts and custom CSV-style insights without opening a traditional analytics dashboard.
Free trialAssistant
ChatLabs is listed under Writingmate, an all-in-one AI workspace that bundles ChatGPT-class, Claude, Gemini, and hundreds of other models in one account. Users chat, research, generate images, and compare models without maintaining separate subscriptions for each provider.
Free trialWriting
Chatlease is an AI assistant tailored to real estate professionals, property managers, and short-term rental operators. Teams train a concierge on listings, brochures, and portfolio documents, then deploy it across web chat and messaging channels to answer tenant and guest questions or trigger workflows.
Free planResearch
Chatling is an AI customer service platform for deploying resolution-focused agents on websites, WhatsApp, Instagram, Telegram, and Messenger. It combines knowledge-base grounding, analytics, optional API access, and human handoff so support teams deflect repetitive tickets without losing context.
Free tier unknownResearch
ChatLLaMA is a SERP AI Gumroad product bundling LoRA weights and a desktop GUI to run local ChatLLaMA assistants on your own GPUs. It targets researchers and hobbyists who want dialogue-style LoRA models (7B, 13B, and 30B variants) rather than a hosted SaaS chat app.
Free planAssistant
Chatmate AI offers artificial companion personas you chat with over WhatsApp, Telegram, and other messengers. Each mate simulates personality, can send photos or voice replies, and optionally invites users into a browser-based Mateverse visit for more immersive interaction.
Free trialResearch
ChatMaxima is an omnichannel AI agent and shared inbox platform for WhatsApp, Instagram, Messenger, Telegram, SMS, and web chat. Businesses use its no-code builder, MaxIA assistant, and CRM-style inbox to automate sales and support conversations across channels.
Free tier unknownAssistant
Chatmosphere AI generates a chat room from a text description you provide. The public site is a lightweight Next.js app focused on turning prompts into shared chat spaces rather than offering a full collaboration suite.
Free planResearch
ChatOga embeds AI assistance inside Telegram so users can chat with models from the messenger they already use. Montorox positions it as an AI companion bot with realtime help, blog resources, and optional premium access for unlimited credits.
Free planCode
ChatOne lets you ask one question and compare answers from multiple AI models simultaneously, including GPT, Claude, Grok, and Kimi variants shown on the homepage. It offers free credits, one-time credit packs, and discounted monthly subscriptions for unlimited parallel queries.
Free planImages
Chatous is a random chat network for meeting new people over text and video with optional expiring photo sharing. It emphasizes anonymity, interest-based matching, and mobile apps rather than generative AI image creation.
Free planImages
ChatPal runs local AI chat entirely in your browser without login, API keys, or sending data off-device. It targets privacy-conscious users who want to try on-device models through a minimal Nuxt web app.
Free planImages
ChatPC is a native macOS AI agent that automates Finder, Mail, Calendar, Safari, Notes, and other apps through conversational commands. It emphasizes user-approved actions, encrypted OpenAI traffic, optional ChatGPT Plus GPT integrations, and a credit-based subscription on top of a free starter allowance.
Free planResearch
ChatPDF lets users chat with PDFs and other files using AI that cites source passages. It targets researchers, students, and professionals who need quick summaries, multilingual Q&A, folders of related documents, and shareable chats.
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