ChatGPT by OpenAI is a versatile AI assistant that excels at natural conversation, content creation, and complex problem-solving. With advanced multimodal capabilities, it processes text, voice, and images to streamline productivity and creativity.

Replika is the pioneer AI companion with 40M+ users. 3D avatar, AR/VR, voice/video calls. Free or Pro $19.99/mo. 24/7 emotional support, mental wellness. Founded 2017 by Eugenia Kuyda.

AI-powered search engine providing direct answers with verifiable citations, automated deep research, and access to multiple LLM models like GPT-5, Claude, and Gemini.

AI integrated in Notion workspace. 20+ min autonomous Agents, multi-model (GPT-5, Claude Opus 4.1, o3), Enterprise Search, 100M+ users, $10-12B valuation.

xAI (Elon Musk) AI chatbot with unique real-time X (Twitter) access. Grok 4/4.1 with native tool use, DeepSearch, Voice+Vision. Valued at $200-230B.

Poe is Quora's aggregator platform with 200+ AI models (GPT-4, Claude, Gemini, Llama) in one interface. 1M+ bots, creator economy, image/video/audio. Free to $250/mo. $75M a16z funding.

French startup €14B. Open-weight MoE: Large 3 (675B/41B active), Ministral 3 edge (3B-14B offline), Devstral 2 coding (72.2% SWE-bench). Apache 2.0.

Anthropic's conversational AI assistant focused on safety and advanced reasoning, leader in coding tasks and agentic workflows with Opus, Sonnet, and Haiku models.

Meta open-weight family. Llama 4: multimodal MoE, 10M tokens context (Scout), beats GPT-4o. Free < 700M MAU. Safety tools included.

Google DeepMind's multimodal AI model suite with text, image, audio, video, and code capabilities, integrated into Google's ecosystem with autonomous agents and advanced reasoning.

Character.AI is the #2 AI chatbot platform with 20M+ users. Create and chat with 18M+ characters. Google acqui-hire $2.7B (2024). Free unlimited, c.ai+ $9.99/mo. 2h/day average engagement.

ChatGPT by OpenAI is a versatile AI assistant that excels at natural conversation, content creation, and complex problem-solving. With advanced multimodal capabilities, it processes text, voice, and images to streamline productivity and creativity.

Replika is the pioneer AI companion with 40M+ users. 3D avatar, AR/VR, voice/video calls. Free or Pro $19.99/mo. 24/7 emotional support, mental wellness. Founded 2017 by Eugenia Kuyda.

AI-powered search engine providing direct answers with verifiable citations, automated deep research, and access to multiple LLM models like GPT-5, Claude, and Gemini.

AI integrated in Notion workspace. 20+ min autonomous Agents, multi-model (GPT-5, Claude Opus 4.1, o3), Enterprise Search, 100M+ users, $10-12B valuation.

xAI (Elon Musk) AI chatbot with unique real-time X (Twitter) access. Grok 4/4.1 with native tool use, DeepSearch, Voice+Vision. Valued at $200-230B.

Poe is Quora's aggregator platform with 200+ AI models (GPT-4, Claude, Gemini, Llama) in one interface. 1M+ bots, creator economy, image/video/audio. Free to $250/mo. $75M a16z funding.

French startup €14B. Open-weight MoE: Large 3 (675B/41B active), Ministral 3 edge (3B-14B offline), Devstral 2 coding (72.2% SWE-bench). Apache 2.0.

Anthropic's conversational AI assistant focused on safety and advanced reasoning, leader in coding tasks and agentic workflows with Opus, Sonnet, and Haiku models.

Meta open-weight family. Llama 4: multimodal MoE, 10M tokens context (Scout), beats GPT-4o. Free < 700M MAU. Safety tools included.

Google DeepMind's multimodal AI model suite with text, image, audio, video, and code capabilities, integrated into Google's ecosystem with autonomous agents and advanced reasoning.

Character.AI is the #2 AI chatbot platform with 20M+ users. Create and chat with 18M+ characters. Google acqui-hire $2.7B (2024). Free unlimited, c.ai+ $9.99/mo. 2h/day average engagement.