The big ones. These are the AI assistants worth having a conversation with — for research, writing, coding, and thinking through hard problems. Pick your oracle wisely.
19 tools in this category
OpenAI's conversational AI for writing, analysis, coding, and creative tasks
Anthropic's AI assistant built for safety, nuance, and extended reasoning
Google's multimodal AI with deep integration across Google services
AI-powered answer engine with real-time web search and cited sources
Production-grade API for building applications powered by Claude models
Microsoft's AI assistant built into Windows, Edge, and Office 365
European frontier AI with strong open-weight models and a lean chat interface
xAI's witty, real-time AI with direct access to X (Twitter) data
Meta's AI assistant powered by Llama, built into Facebook, Instagram, and WhatsApp
Chinese frontier AI with elite reasoning at a fraction of the usual cost
One subscription, every major AI model in a single chat interface
Talk to AI characters - fictional, historical, or ones you build yourself
Enterprise AI platform for search, summarization, and text generation via API
Meta's open-source large language model family, free to download and deploy
Personal AI designed for supportive conversation and emotional intelligence
Unified API access to 300+ AI models from a single endpoint
AI inference at 10x the speed of GPU clouds - powered by custom LPU chips
Mistral's privacy-first AI assistant for individuals and enterprise teams
High-performance open-source model inference and fine-tuning cloud