10 Best AI Writing Tools in 2026

Claude by Anthropic is an AI assistant designed to be helpful, harmless, and honest. Available via API and web interface, Claude excels at analysis, writing, coding, and complex reasoning. Known for following nuanced instructions and longer context understanding.

Lately is an AI-powered social media content creation platform that automatically transforms long-form content into dozens of engaging social media posts. The platform analyzes your existing content—blogs, podcasts, videos, and webinars—and uses AI to extract the most compelling snippets for social sharing across LinkedIn, Twitter, Facebook, Instagram, and YouTube. The AI learns your brand voice model over time, ensuring generated content maintains consistency with your established tone and messaging. Lately repurposing engine can turn a single piece of content into weeks worth of social posts, dramatically reducing the time and effort required for social media management while maintaining quality and engagement. For enterprise organizations, Lately offers advanced features including governance controls, regional dialect adaptation, and employee advocacy functionality that enables teams to distribute approved content through personal social channels. The platform integrates with popular social media management tools like Sprinklr, HubSpot, and Hootsuite for seamless workflow integration.

Claude is an AI assistant by Anthropic designed to be helpful, harmless, and honest, offering conversational AI, code generation, and analysis capabilities.

Sapling is a language model toolkit designed for developers and businesses to enhance communication. It integrates with enterprise workspaces and messaging platforms to provide real-time suggestions, improving both speed and quality of written communication. The platform offers an API/SDK for developers to integrate LLM-powered functionality into their applications. Sapling is particularly beneficial for customer experience (CX) teams, enabling faster message composition, improved language quality, and quicker handle times. Features include autocomplete, snippet macros, chat suggestions, and automated quality scoring for messages. It also provides detailed analytics and reporting on individual and team usage, errors, and trends over time, helping managers scale feedback and improve overall team performance. The product emphasizes enterprise-grade security with a private cloud, TLS and AES-256 encryption, PII redaction, and options for self-hosted/on-premises deployment. It supports SSO, SCIM, and MFA for identity management. Sapling boasts best-in-class integrations with popular platforms like ServiceNow, Salesforce, Zendesk, Amazon Connect, and Twilio Flex, and its SDK supports most editors and platforms, allowing for fast installation and easy onboarding.

Kickresume is an online resume and cover letter builder that leverages artificial intelligence to help job seekers create professional and impactful application documents. It's designed for anyone looking to streamline their job application process, from students to experienced professionals, aiming to impress future employers and land interviews. The platform offers a suite of features including an AI Resume Builder powered by OpenAI's GPT-4.1 to generate initial drafts, over 40 ATS-friendly resume and cover letter templates designed by HR experts, and a Resume Checker to optimize documents against successful examples. Users can also browse a vast library of job-specific resume examples and guides, create personal websites from their resumes, and utilize an AI Cover Letter Builder to quickly draft compelling letters. Kickresume aims to eliminate writer's block and provide tools for creating visually appealing and effective job application materials.

Gamma is an AI-powered presentation and document creation platform that generates professional slides, websites, and social content from simple text prompts. The tool designs beautiful layouts automatically, eliminating the need for manual formatting or design skills. Users can create presentations by describing what they want or importing existing PDFs and PowerPoint files. Gamma generates complete decks with suggested content, images, and layouts that can be easily customized. Export options include PDF, PowerPoint, PNG, and Google Slides. Advanced plans unlock premium AI image models, custom branding and fonts, detailed analytics, custom domains for web publishing, and API access. The platform uses a credit system for AI generation with free monthly credits available on all plans.

Claude is Anthropic's AI assistant designed to be helpful, harmless, and honest. Excels at thoughtful conversations, nuanced analysis, coding help, and creative tasks. Industry-leading context windows handle long documents and complex projects. Available through API for developers or directly at claude.ai. Known for following instructions carefully and providing balanced, well-reasoned responses. AI that feels like a trusted collaborator.

Lavender AI is an intelligent AI email coach designed to help sales development representatives (SDRs) and account executives (AEs) craft personalized, one-to-one emails that are optimized for higher reply rates and pipeline generation. It integrates directly into your inbox (Gmail, Outlook, Salesloft, HubSpot, etc.) and provides real-time coaching, suggesting drafts, offering context on recipients, and scoring emails against best practices. The tool uses AI to fix elements that might hinder replies and adapts its recommendations as email behavior evolves. Key features include a Personalization Assistant that brings prospect data and personality insights into the inbox, an email scoring system to optimize messages for replies, and AI-powered drafting capabilities to overcome writer's block. For teams, Lavender offers a Coaching Dashboard that provides managers with data-backed insights into individual and team performance, helping them identify areas for improvement and track ROI. It's built for anyone looking to improve their email communication, reduce stress, and increase their chances of getting a response.

Kontentino is a comprehensive social media management platform designed to streamline content creation, collaboration, scheduling, and reporting across multiple social media channels. It empowers social media managers and teams to create engaging content with AI assistance, manage approvals efficiently, and publish consistently. The platform features an intuitive calendar for planning and organizing posts, live post previews, and unlimited media storage. Its AI capabilities include generating content, refining tone, translating captions, creating hashtags, and maintaining brand voice consistency. Kontentino also facilitates team and client collaboration with integrated chat, task assignments, and a robust approval workflow, including a mobile app for on-the-go approvals. Kontentino is ideal for social media managers, marketing teams, and agencies looking to enhance productivity, ensure brand consistency, and optimize their social media presence across platforms like Facebook, Instagram, LinkedIn, Pinterest, Twitter, and Google Business Profile. It offers tools for global content management, allowing teams to create, distribute, and localize content for various markets while maintaining central oversight.

LanguageTool catches grammar, spelling, and style issues across 30+ languages. The AI-powered checker goes beyond basic errors to suggest clearer phrasing and detect tone inconsistencies. Available as a browser extension, desktop app, and API, it helps writers produce polished content whether drafting emails or long-form articles.