Rewriting

ChatGPT by OpenAI is a conversational AI platform powered by GPT-5 and o-series reasoning models for writing, programming, data analysis, and voice interaction.

Google Gemini is a multimodal AI ecosystem powered by Gemini 3.1 Pro and Flash models for reasoning across text, code, video, audio, and images.

Notion AI is an intelligent workspace assistant built into Notion, offering autonomous AI agents, enterprise search across apps, and automated meeting notes.

DeepSeek is an open-weights AI ecosystem and assistant specializing in programming, mathematics, and logical reasoning via DeepSeek-V4 models.

Microsoft Copilot is an enterprise AI assistant featuring Think Deeper reasoning, Copilot Voice, Copilot Vision, and deep Microsoft 365 integration.

QuillBot is an AI writing and paraphrasing platform used by over 35 million writers, offering advanced rewriting modes, grammar checks, and humanizer tools.

Claude by Anthropic is an AI assistant powered by Claude Sonnet 5 and Opus 5 models, featuring interactive Artifacts, Projects, and Claude Code.

Kimi K3 by Moonshot AI is a frontier AI chatbot featuring a 2 million token context window, agent swarm orchestration, and complex coding and research reasoning.

Qwen AI by Alibaba Cloud is an open-weights AI family and free chatbot featuring Qwen3.8-Max (2.4T params), multimodal reasoning, and coding tools.

Grok by xAI is a frontier AI assistant powered by the Grok 4 family, featuring real-time X platform data, DeepSearch research, and Think reasoning.

Turnitin is an enterprise academic integrity platform providing comprehensive plagiarism detection and AI writing identification for universities and educators.

WPS AI is an integrated office copilot for WPS Office that generates documents, summarizes multi-page PDFs, builds spreadsheet formulas, and designs slides.

Duck.ai by DuckDuckGo is a privacy-first AI chat aggregator offering anonymous, untracked access to Claude, GPT-5, and Mistral without requiring an account.

LanguageTool is an AI multilingual writing assistant and grammar checker supporting 30+ languages with deep rephrasing, style fixes, and privacy protection.

Copy.ai is an enterprise Go-To-Market AI platform featuring multi-model orchestration, workflow automation, and specialized sales and marketing agent tools.

Ernie Bot by Baidu is a leading Chinese AI assistant powered by ERNIE 4.5 and X1 reasoning models for search grounding, multimodal reasoning, and coding.

ChatOn AI is a multi-model productivity chatbot assistant by AIBY Inc. integrating GPT-5, Claude, and Gemini for document analysis, writing, and image generation.

Monica AI is an all-in-one browser copilot combining GPT-4o, Claude 3.5, and Gemini across web pages for instant chat, reading summaries, writing, and search.

Mistral Le Chat is Mistral AI's conversational assistant and workspace offering free access to Mistral Large 3, web search, document analysis, and Canvas editing.

Sider AI is an all-in-one sidebar browser extension offering instant access to GPT-4o, Claude 3.5, Gemini, and DeepSeek for web reading, writing, and search.

Wordtune is an AI reading and writing assistant by AI21 Labs that rephrases, rewrites, and summarizes text across web browsers, Microsoft Word, and Google Docs.