Anthropic Claude

Anthropic’s chatbot with strong analysis and safe outputs

Claude 3.5 Sonnet is Anthropic’s most balanced AI assistant, combining fast reasoning with safe, reliable conversational answers. It’s designed for an...

PricingFree and Pro plans
APIYes
LimitsContext limits apply; higher tiers increase capacity
Rating4.70

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Chatbots & Assistants

ChatGPT

Powerful AI chatbot for content creation and assistance

conversational AI text generation virtual assistant

ChatGPT is a state-of-the-art large language model developed by OpenAI, capable of generating human-like text, answering questions, and performing a w...

PricingOffers a free version with paid tiers like ChatGPT Plus for enhanced features, faster responses, and priority access.
APIAvailable via OpenAI API
LimitsVaries by plan; free tier has usage limits, paid tiers offer higher limits and faster processing.
Rating4.60

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Chatbots & Assistants

YouChat

Conversational answers with live web results

chatbot search citations assistant

YouChat (by You.com) is a chatbot that blends conversation with web search, returning answers alongside sources. It’s useful for quick lookups, summar...

PricingFree with Pro plans
APIYes
LimitsContext and daily usage limits vary by tier
Rating4.30

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Chatbots & Assistants

Botpress

Free/Paid: Open-source (free) with enterprise options

AI Chatbot Open-Source Business Solutions

Botpress is an open-source chatbot platform for building and deploying conversational AI.

PricingFree open-source version available. Botpress Cloud offers a Free tier with limited messages, Pro plan starting at $49 per month, and custom Enterprise pricing for larger deployments.
APIYes (full API available)
LimitsFree self-hosted usage
Rating4.20

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Chatbots & Assistants

Wysa

Free/Paid: Freemium

AI Chatbot Mental Health Coaching

Wysa revolutionizes digital mental health with AI-driven, evidence-based support. Available 24/7, it helps users track emotions, develop coping strate...

PricingFree AI chat with self-help exercises. Premium $19.99 per month or $99.99 per year adds guided programs and coaching. Optional human coaching $29.99 per week or covered through employer health plans.
APINot provided
LimitsFree tier conversation limits
Rating4.30

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Chatbots & Assistants

Woebot

Free/Paid: Freemium

AI Chatbot Mental Health Support

Woebot is an AI-driven chatbot designed to provide mental health support and guidance.

PricingN/A (Woebot service retired as of June 2025).
APINot provided
LimitsNot available world wide
Rating4.40

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Chatbots & Assistants

Mitsuku (Kuki)

Free/Paid: Free

AI Chatbot Conversation Fun

Mitsuku, also known as Kuki, is an award-winning AI chatbot designed for engaging and fun conversations.

PricingKuki is free for casual users. Commercial and brand licensing is available through ICONIQ and Pandorabots, with paid options for embedding Kuki as a virtual ambassador or integrating her into applications.
APINot provided
LimitsChat-only interface with limited context retention
Rating4.50

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Chatbots & Assistants

Gemini (Google)

Free/Paid: Free

AI Chatbot Content Generation Google Assistant

Bard by Google is a conversational AI tool designed for casual and productive interactions.

PricingFree plan included with Google Workspace and Gemini web app. Gemini Advanced via Google One AI Premium Plan costs $19.99 per month, offering Gemini 1.5 Pro. Enterprise and Education tiers billed per seat through Workspace.
APINo public API currently
LimitsUsage limits apply
Rating4.00

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Chatbots & Assistants

ChatGPT Enterprise

Free/Paid: Paid (enterprise solution)

AI Chatbot Business Solutions Advanced AI

ChatGPT Enterprise offers advanced AI tools tailored for business applications.

PricingCustom pricing available through OpenAI sales. Enterprise plans are billed based on organization size and usage volume.
APIYes (via OpenAI API)
LimitsEnterprise-grade usage limits
Rating4.50

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Chatbots & Assistants

Replika

Free/Paid: Freemium

AI Chatbot Personal Companion Mental Health

Replika is a personal AI companion designed to engage in meaningful conversations and provide emotional support.

PricingFree version available with optional Replika Pro subscription. Pro costs around $19.99 per month or discounted annual and lifetime plans. Offers voice calls, video chat, and advanced relationship features.
APINo public API
LimitsAdvanced features locked behind subscription
Rating4.00

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Chatbots & Assistants

Character.AI

Free/Paid: Free

AI Chatbot Conversation Virtual Assistant

Character.AI is a free chatbot platform that lets users engage with AI characters for casual or roleplay interactions.

PricingFree access with optional premium subscription 'c.ai+'. c.ai+ costs around $9.99 per month, offering faster message response times, priority access to new features, and reduced downtime. No ads or paywalls for basic features.
APINo public API
LimitsConversation length limits may apply
Rating4.20

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Chatbots & Assistants

Pi (Inflection AI)

Free/Paid: Likely free for personal use

AI Chatbot Personal Assistant AI Tools

Pi by Inflection AI is a personal assistant chatbot designed for meaningful conversations.

PricingPi is currently free to use. Inflection AI has not introduced any paid consumer subscription tiers as of late 2025. Enterprise licensing is available under Inflection for Enterprise, which offers custom integrations and AI deployment options.
APINot publicly provided
LimitsExpected usage limits
Rating4.00

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