--- title: "Learn - Page 29 | Dupple" url: "https://dupple.com/learn/29" description: "Practical AI guides, tutorials, and how-to articles. Learn to use ChatGPT, Perplexity AI, and other AI tools effectively for work and business." llms_txt: "https://dupple.com/llms.txt" --- Learn # AI guides & tutorials Practical, tested guides to help you pick and use AI tools at work. Prices checked on each vendor's own page. Search all guides 1013 guides Last published Nov 2026 ## Guides, page 29 Page 29 of 34 Blog Post May 15, 2026 ## 8 Best AI Personal Assistants in 2026 (For Real Daily Life) The 8 best AI personal assistants in 2026 for managing your calendar, email, and daily life. ChatGPT, Pi, Reclaim, Motion and more reviewed. Blog Post May 15, 2026 ## 8 Best AI Scheduling Assistants in 2026 (Calendar on Autopilot) The 8 best AI scheduling assistants in 2026 for autopilot calendars. Reclaim, Motion, Sunsama and more compared with real pricing. Blog Post May 15, 2026 ## 8 Best AI Tools for HR in 2026 (From Recruiting to Performance) The 8 best AI tools for HR in 2026 covering recruiting, onboarding, performance and analytics. Eightfold, Paradox, Lattice, HiBob and more. Blog Post May 15, 2026 ## 13 Best AI Tools for Marketers in 2026 (Compared and Ranked) The 13 best AI tools for marketers in 2026: HubSpot AI, Jasper, Copy.ai, ChatGPT, Claude, Surfer SEO, AdCreative, with real pricing and trade-offs. Blog Post May 15, 2026 ## 12 Best AI Tools for Product Managers in 2026 (Compared and Ranked) The 12 best AI tools for product managers in 2026: ChatGPT, Claude, Notion AI, Linear, Productboard, Granola, Maze, Dovetail, Lovable, with real pricing. Blog Post May 15, 2026 ## 10 Best AI Tools for Productivity in 2026 (Compared and Ranked) The 10 best AI productivity tools in 2026, compared and ranked. Motion, Reclaim, Notion AI, Granola, Otter, ChatGPT, Claude and more with real pricing and trade-offs. Blog Post May 15, 2026 ## 8 Best AI Virtual Assistants in 2026 (Replace Your $40K Hire) The 8 best AI virtual assistants in 2026. Fathom, Otter, Reclaim, Lindy and more for handling meetings, scheduling, email and admin work. Blog Post May 15, 2026 ## 11 Best B2B Newsletters to Subscribe to in 2026 (For Operators, Founders, and GTM Leaders) The 11 best B2B newsletters in 2026 for operators, founders, and GTM leaders. Techpresso, Morning Brew, Lenny's, Pragmatic Engineer, Demand Curve, and more. Blog Post May 15, 2026 ## 20 Best Email Newsletter Examples in 2026 (Worth Studying for Format and Design) The 20 best email newsletter examples in 2026, with one specific element to study from each. Morning Brew, Lenny's, Techpresso, Marketing Examples, and more. Blog Post May 15, 2026 ## 9 Best Free AI Apps in 2026 (iOS and Android Compared) The 9 best free AI apps in 2026 for iOS and Android. ChatGPT, Claude, Perplexity, Meta AI and more with honest takes on what the free tier covers. Blog Post May 15, 2026 ## 10 Best Free AI Tools in 2026 (No Credit Card Needed) The 10 best free AI tools in 2026 with real free tiers. ChatGPT, Claude, Gemini, Perplexity, Suno, Runway and more. No credit card needed. Blog Post May 15, 2026 ## 10 Best Marketing Newsletters to Subscribe to in 2026 (For Growth, Brand, and Performance Marketers) The 10 best marketing newsletters in 2026, re-checked in October 2026: Marketingshot, Stacked Marketer, Demand Curve, Why We Buy, Marketing Examples and more. Blog Post May 15, 2026 ## 11 Best Tech Newsletters to Subscribe to in 2026 (Ranked by Daily Value) The 11 best tech newsletters in 2026 for engineers and operators, prices checked October 2026: Techpresso, TLDR, Pragmatic Engineer, Stratechery and more. Article May 15, 2026 ## ChatGPT for Students in 2026: Free Plans, Plus Tier, and the Smart Way to Use Both ChatGPT for students in 2026: what Free covers, the 4-month free Plus offer for US college students, free alternatives, and the study uses that work. Article May 15, 2026 ## ChatGPT Go vs Plus: Is the $8 Tier Worth It Over $20 Plus in 2026? ChatGPT Go vs Plus in 2026: $8 vs $20, GPT-6 Luna vs GPT-6 Sol, ads on Go, Codex and Work limits, and which tier makes sense, checked October 2026. Article May 15, 2026 ## ChatGPT Plus vs Pro: Which Tier Should You Pay For in 2026? ChatGPT Plus vs Pro in 2026: $20 vs $100, $200 or $500, GPT-6 Pro, context windows, Codex allowances, Ultrafast, and which tier is worth it. Article May 15, 2026 ## Claude Code vs Cursor in 2026: Which AI Coding Tool Should You Use? Claude Code vs Cursor in 2026: pricing, Claude Opus 5.5 and Sonnet 5, IDE integration, multi-file refactoring, and which to pick. Plus how devs use both together. Article May 15, 2026 ## Claude Opus vs Sonnet: Which Anthropic Model to Use in 2026 Claude Opus 5.5 vs Sonnet 5 in 2026: pricing, speed, capabilities, and which model to pick for coding, writing, and daily work. With cost analysis. Article May 15, 2026 ## Claude vs ChatGPT in 2026: Honest Comparison for Daily Use Claude Opus 5.5 vs ChatGPT on GPT-6 in 2026: writing, research, coding, pricing, context windows, and which one wins for your specific workflow. Article May 15, 2026 ## Claude vs ChatGPT for Coding in 2026: Honest Comparison After 6 Months of Daily Use Claude Opus 5.5 vs GPT-6 for coding in 2026: vendor benchmarks, pricing, IDE integrations, and which one wins for refactoring, debugging, and daily coding work. Article May 15, 2026 ## Codex vs Claude Code in 2026: OpenAI's Coding Agent vs Anthropic's Codex vs Claude Code in 2026: pricing, GPT-6 vs Claude Opus 5.5, where each agent runs (web, desktop, CLI, IDE), usage limits, and which to pick for daily coding. Article May 15, 2026 ## DeepSeek vs ChatGPT in 2026: Free Chinese AI vs OpenAI's Flagship DeepSeek V4 Pro vs ChatGPT on GPT-6 in 2026: free chat, an API up to 25x cheaper than GPT-6 Astra, censorship concerns, and which one is safe for business use. Article May 15, 2026 ## Gemini vs ChatGPT in 2026: Honest Comparison After Daily Use Gemini 3.1 Pro vs ChatGPT on GPT-6 in 2026: context windows in the app and the API, Google Workspace integration, pricing, and which one wins for daily work. Article May 15, 2026 ## Grok vs ChatGPT in 2026: Honest Comparison After Daily Use Grok 4.7 vs ChatGPT on GPT-6 in 2026: pricing, real-time X access, API costs, context windows, and which one wins for daily use. Article May 15, 2026 ## How to Get ChatGPT Plus for Free in 2026 (7 Legitimate Methods) How to get ChatGPT Plus free in 2026: 4 free months for US college students until Oct 31, the veterans year, referral invites, ChatGPT Edu and Malta's offer. Article May 15, 2026 ## What Is a Landing Page Conversion? Definition, Benchmarks, and How to Improve Yours (2026) A landing page conversion is when a visitor takes the action your page is designed for. Average conversion rate, benchmarks by industry, and proven ways to improve. Article Apr 24, 2026 ## Best AI Newsletters to Advertise In (2026): For Builders and for Business Teams AI newsletters that sell sponsorships, split by reader: builders and business teams. Every audience figure is as stated by each publisher, read Nov 2026. Article Apr 24, 2026 ## Best B2B Newsletters to Advertise In (2026), by the Buyer You Need to Reach B2B newsletters that sell sponsorships, grouped by the buyer function they reach, with audience figures as stated by each publisher, read Nov 2026. Article Apr 24, 2026 ## Best Developer Newsletters to Advertise In (2026): Audience Figures as Each Publisher States Them Developer newsletters that sell sponsorships, compared on audience, readers and ad formats. Every figure is as stated by each publisher, read Nov 2026. Blog Post Apr 24, 2026 ## Best Subreddits to Promote Your SaaS (2026) The best subreddits to promote your SaaS in 2026. Ranked by community size, engagement rules, and conversion quality. What works, what gets you banned.