Best Claude alternatives in 2025

The original AI chatbot from OpenAI

Google's multimodal AI assistant

Frontier open-weights reasoning model from DeepSeek with a free web chat.

Chat with millions of user-created AI characters.

Answer engine with sources

General-purpose autonomous AI agent that completes multi-step tasks in a sandbox.

AI baked into Microsoft 365

Talk to ChatGPT, Claude, Gemini and other models in one app from Quora.

xAI's witty real-time assistant

Personal AI companion from Inflection focused on warm, supportive conversation.

AI companion focused on emotional wellbeing and relationships.

Alibaba's frontier multimodal Qwen model in a free chat interface.