Free AI Chatbots & Virtual Assistants Software 2026

Voiceflow

8.3(1,200 reviews)

Collaborative design platform for building, prototyping, and launching AI agents and chatbots with a visual canvas and API-first approach.

Landbot

7.8(1,850 reviews)

No-code chatbot builder with visual flow design for websites, WhatsApp, and Messenger to capture leads and automate support.

ManyChat

8.2(4,200 reviews)

Chat marketing platform for automating conversations on Instagram, WhatsApp, Messenger, and SMS to drive sales and engagement.

Rasa

7.8(1,900 reviews)

Open-source conversational AI framework for building contextual AI assistants with full control over data and models.

Botpress

8.0(2,600 reviews)

Open-source chatbot development platform with visual flow builder, built-in NLP, and flexible deployment options.

Dialogflow

7.8(4,800 reviews)

Google's conversational AI platform for building chatbots and voice agents with advanced NLP and multi-language support.

IBM watsonx Assistant

7.5(3,100 reviews)

Enterprise conversational AI platform from IBM for building virtual agents across web, phone, and messaging channels.

Replika

7.0(4,200 reviews)

AI companion chatbot for emotional support, daily conversation, and personal connection. Free basic chat, Pro unlocks voice and AR.

Pi

7.3(4,100 reviews)

Inflection AI's empathetic personal AI companion focused on supportive conversations, emotional intelligence, and voice chat.

Mistral Le Chat

8.0(2,800 reviews)

European AI chatbot from Mistral AI with strong multilingual skills, document analysis, and privacy-focused design from €14/mo.

Meta AI

7.5(8,900 reviews)

Meta's free AI assistant built on Llama models, integrated directly into WhatsApp, Instagram, Facebook, and Messenger.

DeepSeek

8.2(5,400 reviews)

Chinese AI lab's open-source chatbot rivaling GPT-4 at a fraction of the cost. Free web access, API from $0.14/M tokens.

Grok

7.8(3,200 reviews)

xAI's humor-forward chatbot with real-time X (Twitter) data access, image generation, and unfiltered responses for $16-30/mo.

Amazon Q

8.0(3,100 reviews)

AWS's enterprise AI assistant for coding, cloud operations, and business intelligence with deep AWS service integration.

You.com

7.8(2,200 reviews)

AI-powered search engine combining real-time web results with conversational AI for research, writing, and coding tasks.

Cohere

8.1(1,400 reviews)

Enterprise AI platform specializing in retrieval-augmented generation, semantic search, and text processing with grounded responses.

HuggingChat

7.6(1,900 reviews)

Hugging Face's open-source AI chatbot running Llama, Mistral, and other community models with full transparency and zero cost.

Poe

7.9(2,800 reviews)

Quora's multi-model AI platform giving you access to GPT-4o, Claude, Gemini, Llama, and more through one subscription.

Character.AI

8.0(5,100 reviews)

AI platform for creating and chatting with customizable AI characters, from fictional personalities to educational tutors.

GitHub Copilot

8.5(9,200 reviews)

AI-powered code completion and chat assistant built into your IDE, trained on billions of lines of public code.

Microsoft Copilot

7.8(4,200 reviews)

Microsoft's AI assistant built into Windows, Edge, and Microsoft 365 apps, powered by GPT-4 with deep Office integration.

Perplexity AI

8.8(3,600 reviews)

AI-powered answer engine that searches the web in real-time and cites every source. Think Google meets ChatGPT.

Google Gemini

8.3(8,200 reviews)

Google's AI assistant with deep integration into Gmail, Drive, Docs, and Search. Built on the Gemini model family.

Claude

9.1(6,400 reviews)

Anthropic's AI assistant known for nuanced writing, strong reasoning, and a 200K context window for processing long documents.

ChatGPT

9.0(15,800 reviews)

OpenAI's conversational AI assistant for writing, coding, analysis, and creative tasks with GPT-4o and GPT-4.5 models.

Chatfuel

7.5(780 reviews)

No-code chatbot builder for Facebook Messenger, Instagram, and WhatsApp with templates for e-commerce and lead gen.