AI Chat Assistant

DeepSeek 深度求索

Deep Search's open source large model series, V4 series 1M context window, API price is only 1%-10% of international competing products

ChatGPT OpenAI

OpenAI official AI assistant, connecting ChatGPT products and GPT-5 series model capabilities

Claude Anthropic

Anthropic official AI assistant, covering Opus / Sonnet / Haiku models and enterprise-level Agent capabilities

character.AI c.ai

Character.AI is the world's largest role-playing chat platform, allowing users to freely talk to "characters" created by AI, generate stories and interact with voice.

Grok Grok

Grok is a multi-modal AI chat assistant launched by xAI, with built-in real-time X data access, Imagine image/video generation and Grok 4 inference capabilities.

Chegg Chegg

A long-established online learning platform that integrates AI Q&A and expert coaching services

Claude Opus 4.1 Anthropic

A high-intensity inference model for real coding and Agent tasks, more suitable for multi-step project execution and detail tracking than Opus 4

Cohere Cohere

Cohere is an enterprise-level large model platform, focusing on privatization and controllable deployment, emphasizing the "Own your AI" route.

AI Dungeon AI Dungeon

Classic AI interactive narrative platform, supporting open plots and role-playing

Deepseek R1T2 Deepseek R1T2

Based on the two-step reasoning verification enhanced model of DeepSeek R1, the accuracy of mathematical and logical reasoning is improved by 8-15%

Dify Dify

Open source LLM application development platform, visually orchestrating AI workflow

AingDesk AingDesk

Open source AI desktop client, deploy hundreds of models to personal computers with one click