Poe is a popular free platform that gives access to multiple leading AI models like GPT-4o, Claude 3.5, Gemini, Llama, and thousands of custom bots with generous daily quotas for worldwide users.

You.com is a free privacy-focused AI search and assistant with customizable apps for writing, research, image generation, and personalized answers serving users worldwide.

Microsoft Copilot is a powerful free AI assistant integrated with Bing search, DALL-E image generation, and Microsoft apps for conversation, creativity, and productivity tasks globally.

DeepSeek Chat provides free access to advanced open models like DeepSeek-V3 and Coder for superior reasoning, mathematics, coding, and long-context conversations globally.

Pi is a free personal AI companion by Inflection designed for empathetic, ongoing conversations, advice, brainstorming, and support with unlimited usage for users around the world.

Google AI Studio is a free developer platform for prompting, tuning, and building custom applications with Gemini models, including advanced multimodal features for creators globally.