Popular AI Chatbots & Assistants

Directory of AI Assistants and Chatbots (2025)

⚠️ Disclaimer

This information is based on current knowledge found over the web. Please verify details directly with any bot provider before making decisions.

This list is provided as a resource. Not all bots support programmatic access by Caura.

AI Assistant Landscape Overview

100+
AI Assistants
15
Categories
2B+
Total Users
30+
Languages Supported

Major AI Assistants

ChatGPT
OpenAI
chatgpt.com
800M weekly active users
GPT-4: ~1.7T params ✓ API Available
Meta AI
Meta
ai.meta.com
1B monthly active users
LLaMA 3: 70B params ✗ No Public API
Google Gemini
Google
gemini.google.com
400M monthly active users
Ultra: ~1.5T params ✓ API Available
Claude
Anthropic
claude.ai
30M monthly active users
Size undisclosed ✓ API Available
Microsoft Copilot
Microsoft
copilot.microsoft.com
Enterprise-focused
GPT-4 based ✓ Azure API
Grok
xAI
grok.x.ai
17.6M monthly active users
Grok-2: ~314B params ✓ API Available
Perplexity AI
perplexity.ai
22M monthly active users
Multiple models ✓ API Available

Voice Assistants & Smart Home

Alexa
Amazon
alexa.amazon.com
100M+ devices
Proprietary ✓ Skills Kit API
Google Assistant
Google
assistant.google.com
Android & smart home voice AI
LaMDA based ✓ Actions SDK
Siri
Apple
apple.com/siri
iOS/macOS integrated assistant
Proprietary ✓ SiriKit
Cortana
Microsoft
microsoft.com/cortana
Windows productivity assistant
Proprietary ✗ Limited API
Bixby
Samsung
samsung.com/bixby
Samsung device ecosystem
Proprietary ✓ Developer Portal

Open Source & Developer-Focused

HuggingChat
Hugging Face
huggingface.co/chat
Open source alternative
Various OS models ✓ Inference API
Poe
Quora
poe.com
Multi-model access platform
Multiple models ✓ Developer API
You.com
you.com
AI-powered search assistant
Multiple models ✓ API Available
Ollama
ollama.ai
Run LLMs locally
LLaMA, Mistral, etc ✓ Local API
Jan
jan.ai
Open-source ChatGPT alternative
Various models ✓ Local API
GPT4All
gpt4all.io
Privacy-first local AI
3-13B params ✓ Local API
Phind
phind.com
Developer-focused search AI
CodeLLaMA based ✗ No Public API

Chinese AI Chatbots

Ernie Bot
Baidu
yiyan.baidu.com
China's leading AI chatbot
ERNIE 4.0: 260B ✓ API Available
Tongyi Qianwen
Alibaba
tongyi.aliyun.com
Alibaba's AI assistant
Qwen-Max: 72B ✓ API Available
Doubao/Jimeng
ByteDance
doubao.com
ByteDance's AI platform
Size undisclosed ✓ API Available
DeepSeek
chat.deepseek.com
Chinese open-source model
V2: 236B params ✓ API Available
Qwen
Alibaba Cloud
qwen.alibaba.com
Multilingual AI assistant
Qwen2: 72B params ✓ API Available
GLM/ChatGLM
Zhipu AI
chatglm.cn
Chinese bilingual model
GLM-4: 130B params ✓ API Available
iFlytek Spark
iFlytek
xinghuo.xfyun.cn
Chinese conversational AI
V3.5: Size undisclosed ✓ API Available

Mental Health & Wellness

Woebot
Woebot Health
woebothealth.com
Mental health support chatbot
Proprietary ✗ No Public API
Wysa
wysa.com
AI therapy companion
Proprietary ✗ No Public API
Replika
replika.com
AI companion for emotional support
GPT-3 based ✗ No Public API
Youper
youper.ai
Emotional health assistant
Proprietary ✗ No Public API

Specialized & Niche Chatbots

Pi
Inflection AI
pi.ai
Personal AI companion
Inflection-2.5 ✗ No Public API
Character.AI
character.ai
Role-playing AI characters
Proprietary LLM ✗ No Public API
Jasper Chat
Jasper AI
jasper.ai/chat
Marketing & content creation
GPT-4 based ✓ API Available
Writesonic/Chatsonic
writesonic.com/chat
Content generation focused
GPT-4 based ✓ API Available
Copy.ai
copy.ai
Marketing copy assistant
GPT-3/4 based ✓ API Available
Kuki
formerly Mitsuku
kuki.ai
Award-winning conversational AI
AIML based ✓ API Available

Customer Service Platforms

Ada
ada.cx
Customer service automation (83% resolution)
Proprietary ✓ API Available
Drift
Salesloft
drift.com
B2B conversational marketing
Proprietary ✓ API Available
Intercom Fin
Intercom
intercom.com/fin
AI customer support
GPT-4 based ✓ API Available
Zendesk Answer Bot
Zendesk
zendesk.com
Support ticket automation
Proprietary ✓ API Available

Enterprise & Business-Focused

Amazon Q
AWS
aws.amazon.com/q
Business AI assistant
Proprietary ✓ AWS API
Salesforce Einstein
Salesforce
salesforce.com/products/einstein
CRM-integrated AI
Proprietary ✓ Platform API
IBM watsonx Assistant
IBM
ibm.com/products/watsonx-assistant
Enterprise conversational AI
Granite models ✓ API Available
Oracle Digital Assistant
Oracle
oracle.com/chatbots
Enterprise automation
Proprietary ✓ OCI API

Educational & Learning

Socratic
Google
socratic.org
Student homework helper
Google AI ✗ No Public API
ELSA Speak
elsaspeak.com
English pronunciation coach
Proprietary ✗ No Public API
Duolingo Max
Duolingo
duolingo.com
Language learning with AI
GPT-4 powered ✗ No Public API
Khanmigo
Khan Academy
khanacademy.org/khan-labs
AI tutor for students
GPT-4 based ✗ No Public API

Coding Assistants

GitHub Copilot
GitHub
github.com/features/copilot
AI pair programmer
Codex based ✓ Extension API
Cursor
cursor.sh
AI-powered code editor
GPT-4 based ✗ No Public API
Claude Code
Anthropic
claude.ai/code
AI coding assistant in terminal
Claude based ✓ CLI Tool
Codeium
codeium.com
Free AI coding assistant
Proprietary ✓ Extension API
Tabnine
tabnine.com
AI code completion
Proprietary ✓ Extension API
Amazon CodeWhisperer
AWS
aws.amazon.com/codewhisperer
AWS code assistant
Proprietary ✓ AWS SDK
Replit Ghostwriter
Replit
replit.com
In-browser coding AI
Proprietary ✗ No Public API

Productivity & Business Tools

Otter.ai
otter.ai
Meeting transcription AI
Proprietary ✓ API Available
Notion AI
Notion
notion.so/product/ai
Workspace AI assistant
GPT-3/4 based ✓ API Available
Grammarly
grammarly.com
Writing assistant
Proprietary ✓ SDK Available
Monica
monica.im
Browser extension AI assistant
GPT-4 based ✗ No Public API

Creative & Entertainment

NovelAI
novelai.net
Creative writing assistant
Kayra: 13B params ✓ API Available
AI Dungeon
Latitude
play.aidungeon.com
Interactive storytelling
GPT-3/4 based ✓ API Available
Midjourney
midjourney.com
Image generation chatbot
Proprietary ✗ Discord Only
Runway
runwayml.com
Creative AI tools platform
Gen-2 model ✓ API Available

Research & Academic

Elicit
elicit.org
Research assistant
GPT-based ✗ No Public API
Consensus
consensus.app
Academic research AI
GPT-based ✓ API Available
SciSpace Copilot
typeset.io
Scientific literature assistant
GPT-based ✗ No Public API

Regional & Language-Specific

Kakao Kogpt
Kakao (South Korea)
kogpt.kakao.com
Korean language AI
KoGPT: 6B params ✓ API Available
Naver HyperCLOVA X
Naver (South Korea)
clova.ai
Korean AI platform
HyperCLOVA: 204B ✓ API Available
Yandex Alice
Yandex (Russia)
alice.yandex.ru
Russian voice assistant
YaLM: 100B params ✓ Skills API
Jio Haptik
Jio (India)
haptik.ai
Indian conversational AI
Proprietary ✓ API Available
LLaMA-based Models
Meta (Open Source)
llama.meta.com
Open-source foundation model
7B-70B params ✓ Self-hosted

Specialized Industry

Harvey
harvey.ai
Legal AI assistant
GPT-4 based ✗ Enterprise Only
Bloomberg GPT
Bloomberg
bloomberg.com
Financial data AI
50B params ✗ Internal Use
Med-PaLM
Google
Limited access medical AI
Medical AI assistant
540B params ✗ Research Only

Emerging & Newer Platforms

Mistral Le Chat
Mistral AI
chat.mistral.ai
French AI startup
Mixtral: 8x7B ✓ API Available
Cohere Chat
Cohere
cohere.com/chat
Enterprise-focused AI
Command R: 35B ✓ API Available
xAI Grok
Integrated with X/Twitter
Available through X Premium
Social media integrated
Grok-2: 314B ✓ Coming Soon