Language Models & Assistants:
GPT-4 and GPT-3.5 from OpenAI, used in ChatGPT Claude (various versions) from Anthropic Gemini from Google LLaMA and Llama 2 from Meta
Image Generation:
DALL-E 3 from OpenAI Midjourney Stable Diffusion Google's Imagen
Code Assistance:
GitHub Copilot Amazon CodeWhisperer Replit's AI tools
Audio/Speech:
Whisper from OpenAI for speech recognition ElevenLabs for text-to-speech Anthropic's Claude for voice conversations