Introductions and comparisons of AI assistants and tools, using criteria that stay valid as versions change, plus how to choose.
22 Article
Character.AI is a service for chatting and role-playing with AI-powered characters. This guide walks you through signing up, finding characters, creating your own, writing a strong definition and greeting, chat tricks, limitations and alternatives.
Napkin AI turns a plain paragraph into an editable flowchart, mind map, timeline or infographic. This tutorial walks you from sign-up to your first export, with writing tips, tricks, limits and alternatives.
Gamma turns a topic, your notes or a file into a polished presentation, document or web page. This tutorial covers your first deck, editing with AI, right-to-left decks and exporting to PowerPoint and PDF, step by step.
v0 turns a text description or a screenshot into a working React interface. This tutorial covers your first prompt, refining the design, right-to-left layouts, getting the code and deploying, step by step.
Manus does the work for you: it searches, builds files and hands back a finished result. This tutorial walks you from sign-up to your first successful task, with prompt templates, credit-saving tips and how to check the output.
Replit is a full coding environment in the browser whose AI Agent builds apps from a plain description. This tutorial goes from sign-up and a good first prompt to fixing bugs, storing secrets, rolling back, publishing and keeping costs under control.
NotebookLM answers only from the sources you upload and cites every claim. This tutorial covers creating a notebook, adding sources, asking cited questions, generating Audio Overviews, flashcards and quizzes, plus tips for serious work.
A step-by-step Google AI Studio tutorial: sign in, test prompts, set system instructions and temperature, get JSON output, create a free Gemini API key and build an app in Build mode.
OpenRouter gives you hundreds of models from different companies through one account and one API key, plus a set of free models. This guide walks from sign-up to your first request with curl and PHP, finding free models, their limits, and tips to keep costs down.
A general chatbot is not enough for research. Tools like Elicit, Consensus, SciSpace and NotebookLM each handle one stage of the work better. Here is which AI research tool to use for finding, understanding, verifying or summarizing papers.
Dedicated translators like DeepL and Google Translate are fast and consistent, while assistants like Claude and ChatGPT understand context and tone better. Here is which AI translator fits which person and which kind of text, including Arabic and other non-Latin languages.
AI presentation makers turn a topic or document into a draft deck in minutes, but each one is built for a different job. This comparison shows who Gamma, Beautiful.ai, Canva, Pitch, Prezi and five others are best for.
249 tools with an overview, pricing, language support and availability from Iran; with reader votes.
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