KI-Tools zum Verfassen von E-Mails — Top 76 Empfehlungen für 2026
Entdecken Sie KI-Tools, die Geschäfts-E-Mails, Vertriebs-E-Mails, Entschuldigungsschreiben und Follow-up-Nachrichten automatisch generieren und korrigieren. Tonalität, Stil und Höflichkeitsformeln — reduzieren Sie die Zeit für das E-Mail-Schreiben erheblich.
Top 76 Empfehlungen
Obsidian
A local-file-based knowledge management and note-taking app. Write in Markdown, visualize note relationships with bidirectional links and graph view. Extensible with AI via plugins.
ChatGPT
Der weltweit meistgenutzte KI-Konversationsassistent, entwickelt von OpenAI. Angetrieben von GPT-5.4 Thinking, bewältigt er vielfältige Aufgaben wie Textgenerierung, Programmierung, Datenanalyse sowie Bild- und Videoerstellung.
Claude
Ein KI-Assistent von Anthropic mit Fokus auf Sicherheit und Genauigkeit. Bietet ein Kontextfenster von 1 Million Token und leistungsstarke Analyse- und Programmierfähigkeiten mit Claude Opus 4.6/Sonnet 4.6.
LM Studio
A desktop application for running LLMs locally. Chat with AI models privately without internet connection, with support for thousands of open-source models.
Grammarly
An AI-powered English writing assistant. Provides grammar and spell checking along with style improvement, tone adjustment, and plagiarism detection.
Open WebUI
A self-hosted AI chat UI compatible with Ollama and OpenAI-compatible APIs. Capable of running fully offline.
Gemini
Eine multimodale KI, entwickelt von Google DeepMind. Angetrieben von Gemini 3.1 Pro/2.5 Flash, versteht sie umfassend Text, Bilder, Audio und Video mit tiefer Google-Produkt-Integration.
Ollama
An open-source tool for running LLMs locally on your PC. Complete privacy protection.
Intercom Fin
AI customer support agent by Intercom. GPT-4o-powered, it auto-answers customer questions and resolves 50%+ of support tickets instantly. Enterprise-grade AI support.
DeepL Write
An AI writing assistant by DeepL. Goes beyond grammar correction to refine tone, style, and phrasing with high precision.
Logseq
A privacy-first, open-source knowledge management tool. Structure your thinking in outliner format with bidirectional links and graph view for visualizing note relationships.
Notion AI
An AI assistant integrated into Notion. Seamlessly performs document creation, summarization, translation, and brainstorming within the Notion workspace.
Frase
An AI writing platform specialized in SEO and GEO (Generative Engine Optimization). Handles everything from SERP analysis to content generation and optimization.
DeepSeek
High-performance AI chat from China. Its reasoning model R1 rivals GPT-4o in capability.
Qwen
A large language model developed by Alibaba Cloud. Open-source with world-class performance in multilingual support, coding, and mathematical reasoning.
Sider AI
Ein in den Browser integrierter KI-Assistent als Seitenleiste. Greifen Sie direkt von jeder Webseite aus auf ChatGPT, Claude und andere KI-Modelle zu.
Google Gemma
Open-Source-KI-Modell von Google, leicht und effizient für mobile Apps und Edge Computing.
Mistral AI
Open-Weight-LLM eines französischen KI-Unternehmens. Bietet leistungsstarke Modelle wie Mistral Large und Mixtral sowie die Chat-Oberfläche Le Chat und Unternehmens-APIs.
Doubao
ByteDance（TikTok親会社）が開発した中国発AIチャットボット。中国国内で最もユーザー数が多いAIアシスタントで、テキスト・画像・音声のマルチモーダル対応。
AnythingLLM
An all-in-one AI desktop app that runs locally. Integrates RAG, multi-LLM support, and document management to leverage AI while maintaining complete data privacy.
Originality AI
Industry-leading AI content detection and plagiarism checker. Detects text generated by ChatGPT, Claude, Gemini, and more with high precision. Essential for content marketers, publishers, and educators.
LanguageTool
An AI grammar and spell checker supporting 30+ languages. Automatically detects writing errors and suggests style improvements as a comprehensive writing assistant.
QuillBot
The leading AI paraphrasing tool. Rephrase text in 7 modes with integrated grammar checking, summarization, and translation for a complete writing assistant.
Reflect
A networked note-taking app with native AI integration. Features backlinks and graph view plus a GPT-4 based AI assistant for note summarization, organization, and Q&A.
Doubao
ByteDance（TikTok親会社）が開発した中国発AIチャットボット。中国国内で最もユーザー数が多いAIアシスタントで、テキスト・画像・音声のマルチモーダル対応。
Jasper AI
An AI writing tool built for marketing. Rapidly generates marketing content including blog posts, ad copy, and social media posts.
Copilot (Microsoft)
An AI assistant developed by Microsoft. Integrated into Windows, Edge, and Office products, it supports everything from everyday tasks to business productivity.
Anyword
An AI copywriting tool featuring predictive performance scores based on marketing data. Predicts ad copy effectiveness before publishing.
Writer
An enterprise AI writing platform. A corporate text generation and management tool focused on brand guideline compliance and security.
Poe
An AI chat platform by Quora. Access multiple AI models from a single app.
Monica
A browser extension AI assistant. Use AI features on any web page.
Llama (Meta AI)
Open-source LLM developed by Meta. A high-performance AI model available for commercial use.
Tenbin AI by GMO
A platform by GMO that runs and compares multiple generative AI models simultaneously. Compare responses from up to 6 AI models on a single screen.
Jenni AI
An AI writing tool specialized for academic papers and reports. Supports researchers and students with automatic citation insertion, plagiarism checking, and academic style suggestions.
Kickresume
KI-gestützter Lebenslauf- und Anschreiben-Builder mit über 35 professionellen Vorlagen. Von über 8 Millionen Jobsuchenden weltweit für ATS-optimierte Bewerbungen genutzt.
Jan
An open-source local AI chat app. Connect to GPT-4o and Claude via cloud APIs, or easily run local LLMs like Llama and Mistral through a beautiful GUI. Privacy-first design.
Lex
AI-powered minimalist writing editor. Unobtrusive AI completion and suggestions keep you in the writing flow. Perfect for long-form blog posts, essays, and fiction.
Tidio
AI-powered customer support chat platform. The Lyro AI chatbot auto-answers FAQs and handles inquiries, reducing support team workload by up to 70%.
Zendesk AI
AI features integrated into the Zendesk customer support platform. Automatic ticket classification, priority assignment, and AI agent auto-responses dramatically improve support efficiency.
Kimi
An AI chatbot developed by Moonshot AI with an ultra-long context window. It supports inputs of up to 2 million tokens, enabling analysis of and Q&A over massive document sets in a single session.
HyperWrite
An AI writing assistant. It automates content creation, rewriting, email drafting, and offers real-time writing suggestions directly in the browser — streamlining every writing task.
KoalaWriter
An AI blog writing tool built for SEO. Just enter a keyword and it automatically generates high-quality long-form articles optimized to rank in search results. WordPress integration included.
Writesonic
An AI-powered content writing platform. Rapidly generates diverse marketing content including blog posts, ad copy, and product descriptions.
Copy.ai
An AI copywriting tool for marketing. Rapidly generates marketing content including ad copy, social media posts, and email copy using AI.
Wordtune
An AI writing assistant from AI21 Labs specialized in text rewriting and improvement. Instantly transforms existing text into better expressions.
Hypotenuse AI
An AI content generation tool specialized for e-commerce. Automates bulk product description generation, SEO blog creation, and catalog management.
Character.AI
An AI chat service specializing in character conversations. Chat with AI personas of all kinds.
Le Chat (Mistral)
A high-performance chat assistant from Mistral AI. Powered by strong AI models from Europe.
Cohere Command R+
An AI platform designed for enterprises. Excels at RAG and retrieval-augmented generation.
Sudowrite
An AI tool specialized for fiction and creative writing. Powerfully supports story creation.
Bunken
An AI-powered Japanese text proofreading and editing tool. Automatically checks for typos, expression improvements, and readability across 100+ check items.
Replika
Persönlicher KI-Begleiter, der Ihre Interessen lernt und personalisierte Gespräche sowie emotionale Unterstützung bietet.
Type
AI-First-Dokumenteneditor. KI-gestützte Schreibunterstützung mit GPT-4-Integration für effizientes Entwerfen, Bearbeiten und Umschreiben langer Inhalte.
Lex Page
GPT-4-gestützter KI-Schreibeditor. Lernt den Stil des Schreibers und schlägt Textfortsetzungen vor für intelligente Unterstützung beim Erstellen langer Inhalte.
Rezi
ATS-optimierter KI-Lebenslauf-Builder mit Keyword-Scoring und Ein-Klick-Generierung aus Stellenanzeigen. Maximieren Sie Ihre Chancen, das automatisierte Screening zu bestehen.
Candy AI
Candy AIはAIコンパニオン・チャットプラットフォーム。ユーザーが好みのAIキャラクターを作成し、自然な会話や感情的なつながりを楽しめる対話型AIサービス。
GPT4All
An open-source AI chatbot that runs locally on your PC without internet. Use LLMs with complete privacy protection, entirely free of charge.
Mem
An AI-powered knowledge management tool that automatically organizes and connects your notes. Just write notes and the AI understands context, surfacing relevant information automatically.
Yi
A large language model developed by Chinese AI startup 01.AI. Open-source with strong multilingual capabilities and long-context processing.
Amazon Nova
Amazon's family of foundation AI models available through AWS Bedrock. Includes text, multimodal, and image generation models optimized for enterprise applications with strong price-performance.
Mem AI
An AI-powered note-taking app that automatically organizes, connects, and surfaces relevant notes without manual filing. Uses AI to turn unstructured notes into a searchable, intelligent knowledge base.
Apple Intelligence
Apple's on-device AI built into iPhone, iPad, and Mac. It offers practical AI features like Writing Tools, Image Playground, and an enhanced Siri — all with a privacy-first design.
Step Fun
An AI platform from StepFun (Jieyue Xingchen) powered by the Step-2 model. It offers multimodal capabilities including image understanding and generation, coding assistance, and competitive API pricing.
Magical
An AI writing assistant that automates text input. Streamlines repetitive tasks.
Pi
An emotionally intelligent conversational AI assistant developed by Inflection AI.
Grok
An AI chat assistant developed by xAI. Access real-time data from X (Twitter).
TextCortex
A multilingual AI writing assistant. Generate content in 25+ languages.
Catchy
One of Japan's largest AI writing assistant tools. Automatically generates ad copy, blog posts, social media content, and more with over 140 templates.
Cici AI
Ein von ByteDance entwickelter KI-Chatbot, der natürliche Gespräche, Schreibhilfe, Übersetzung und vieles mehr bietet – alles kostenlos.
Tripnotes
KI-Reiseplanungsassistent. Geben Sie Reiseziel, Daten, Budget und Vorlieben ein und erhalten Sie automatisch einen optimalen Reiseplan.
Undetectable AI
AI humanizer that rewrites AI-generated text to read naturally as human-written. Bypasses AI detection tools while maintaining content quality and meaning.
Rytr
A cost-effective AI writing assistant with 40+ templates and 30+ language support. Specialized in short-form content creation.
HuggingChat
An open-source AI chat platform by Hugging Face. Try various open-source models.
Value AI Writer byGMO
An SEO article generation AI writing tool by GMO Digirock. Automatically generates SEO-optimized articles from just a keyword input.
Hoppy Copy
An AI copywriting tool built exclusively for email marketing. Rapidly generate newsletters, drip sequences, subject lines, and all your email copy in seconds.
Cohesive AI
An AI content editor with 100+ templates. Rapidly generates and edits diverse content including blogs, social media posts, and scripts.