Loading…
Mexta · Blog
Blog Mexta
Articles pratiques sur les outils d’IA, ChatGPT, Claude et les workflows. Apprenez avec Mexta sur mextalearn.com.
Guide à la une
Mexta 28-Day AI Certificate Program Challenge : votre feuille de route complète pour maîtriser l’IA en 2026
Une feuille de route pratique en 28 jours pour maîtriser l’IA en 2026 : prompts, workflows, outils et habitudes quotidiennes pour faire de l’IA un véritable levier de productivité.
Feb 18, 2026 · 7 min de lecture
Lire le guide →AI guide
7 min readMexta 28-Day AI Certificate Program Challenge
Tous les articles
AI guide
12 min readGPT-5.6 vs Claude Fable 5
GPT-5.6 vs Claude Fable 5: Benchmarks, Pricing, Coding & Privacy
A current, source-checked comparison of GPT-5.6 Sol and Claude Fable 5 across coding, professional benchmarks, token costs, long context, privacy, safeguards, and product access. Built for learners on Mexta (mextalearn.com).
12 min de lecture
AI guide
13 min readAgentic AI Course in 2026
Agentic AI Course in 2026: What to Learn Before Building AI Agents
a hands-on guide to agentic AI courses in 2026: curriculum checklist, workflows to learn, certification checks, and risks before building AI agents. Built for learners on Mexta (mextalearn.com).
13 min de lecture
AI guide
13 min readAI for Business Course in 2026
AI for Business Course in 2026: How to Evaluate One Before You Buy It
a hands-on guide to choosing an AI for business course in 2026: curriculum modules, team training for managers, certification wording, and common mistakes. Built for learners on Mexta (mextalearn.com).
13 min de lecture
AI guide
16 min readAI for Insurance Agents in 2026
AI for Insurance Agents in 2026: Practical Workflows, Prompts, Training, and Compliance Cautions
How insurance agents can use AI safely in 2026: workflow table, ChatGPT prompts, training curriculum, and compliance cautions for regulated communication. Built for learners on Mexta (mextalearn.com).
16 min de lecture
AI guide
12 min readAI Sales Training in 2026
AI Sales Training in 2026: Courses, Skills, Prompts, and Workflows for Sales Teams
a hands-on guide to AI sales training in 2026: curriculum modules, ChatGPT vs broader AI training, certification checks, and quality-control habits. Built for learners on Mexta (mextalearn.com).
12 min de lecture
AI guide
16 min readClaude AI vs ChatGPT
Claude AI vs ChatGPT : quelle IA choisir en 2026 ?
Comparatif Claude vs ChatGPT pour 2026. Tarifs, fonctionnalités, fenêtres de contexte, code, rédaction et offres entreprise : ce guide vous aide à choisir l’outil IA le plus adapté. Built for learners on Mexta (mextalearn.com).
16 min de lecture
AI guide
11 min readHow to Choose a Generative AI Course in 2026
How to Choose a Generative AI Course in 2026
a hands-on guide to choosing a generative AI course in 2026: syllabus checklist, beginner learning pathway, certification wording, and selection mistakes. Built for learners on Mexta (mextalearn.com).
11 min de lecture
AI guide
9 min readCodex Merged With the ChatGPT App
Codex Merged With the ChatGPT App: What Changed, Access & What is New
OpenAI says the Codex app is merging with the new ChatGPT desktop app. Codex remains a dedicated coding experience, now alongside Chat and Work in one desktop app. Built for learners on Mexta (mextalearn.com).
9 min de lecture
AI guide
16 min readClaude AI vs ChatGPT
Claude AI vs ChatGPT : quelle IA choisir en 2026 ?
Comparatif Claude vs ChatGPT pour 2026. Tarifs, fonctionnalités, fenêtres de contexte, code, rédaction et offres entreprise : ce guide vous aide à choisir l’outil IA le plus adapté. Built for learners on Mexta (mextalearn.com).
16 min de lecture
AI guide
10 min readGPT-5.6 Luna
GPT-5.6 Luna: Fast Low-Cost Model, Pricing, Model ID & Use Cases
a hands-on guide to GPT-5.6 Luna, OpenAI's fast low-cost GPT-5.6 tier for high-volume classification, extraction, drafts, routing, and first-pass automation. Built for learners on Mexta (mextalearn.com).
10 min de lecture
AI guide
11 min readGPT-5.6 Terra
GPT-5.6 Terra: Price, Model ID, Use Cases & Sol/Luna Comparison
a hands-on guide to GPT-5.6 Terra, OpenAI's balanced lower-cost GPT-5.6 tier for everyday professional work, coding help, analysis, document workflows, and routing. Built for learners on Mexta (mextalearn.com).
11 min de lecture
AI guide
28 min readClaude AI vs ChatGPT
Claude AI vs ChatGPT : quelle IA choisir en 2026 ?
Comparatif Claude vs ChatGPT pour 2026. Tarifs, fonctionnalités, fenêtres de contexte, code, rédaction et offres entreprise : ce guide vous aide à choisir l’outil IA le plus adapté. Built for learners on Mexta (mextalearn.com).
28 min de lecture
AI guide
15 min readChatGPT for PowerPoint
ChatGPT for PowerPoint: How to Use the Official Add-in in 2026
a hands-on guide to ChatGPT for PowerPoint: the official OpenAI Microsoft Office add-in, what it can do inside PowerPoint, how to install it, what it costs, and what to verify before sharing a deck. Built for learners on Mexta (mextalearn.com).
15 min de lecture
AI guide
10 min readClaude AI vs ChatGPT
Claude AI vs ChatGPT : quelle IA choisir en 2026 ?
Comparatif Claude vs ChatGPT pour 2026. Tarifs, fonctionnalités, fenêtres de contexte, code, rédaction et offres entreprise : ce guide vous aide à choisir l’outil IA le plus adapté. Built for learners on Mexta (mextalearn.com).
10 min de lecture
AI guide
12 min readGemini 3.5 Pro
Gemini 3.5 Pro: Release Date, Rumors, Leaks & What Google Confirmed
A rumor-aware but source-checked guide to Gemini 3.5 Pro: official Google status, reported delay, expected capabilities, leaked claims, and how teams should plan before launch. Built for learners on Mexta (mextalearn.com).
12 min de lecture
AI guide
15 min readSpaceXAI
SpaceXAI: xAI's Rebrand After the SpaceX Acquisition, Explained
a hands-on guide to SpaceXAI: what changed in the July 2026 rebrand signal, how it connects to the February SpaceX-xAI acquisition, and how Gemini 3.5 Pro rumors fit the frontier AI race. Built for learners on Mexta (mextalearn.com).
15 min de lecture
AI guide
16 min readGoogle AI Essentials Alternatives in 2026
Google AI Essentials Alternatives in 2026: AI Courses and Certificates to Compare
a hands-on comparison of Google AI Essentials and its alternatives in 2026 – IBM, DeepLearning.AI, and Google's own follow-on programs – with selection criteria by learner goal and a course checklist. Built for learners on Mexta (mextalearn.com).
16 min de lecture
AI guide
15 min readBest AI Presentation Makers in 2026
Best AI Presentation Makers in 2026: Tools for Slides, Pitch Decks, and Reports
a hands-on comparison of the best AI presentation makers in 2026: Gamma, Canva, Beautiful.ai, Plus AI, Copilot, and more – with honest export caveats, pricing, and a prompt-to-deck workflow. Built for learners on Mexta (mextalearn.com).
15 min de lecture
AI guide
14 min readPerplexity vs Gemini in 2026
Perplexity vs Gemini in 2026: Which Is Better for Research?
a hands-on comparison of Perplexity and Gemini in 2026: citations vs workspace integration, student and business research use cases, pricing, and a clear verdict on which to use for which job. Built for learners on Mexta (mextalearn.com).
14 min de lecture
AI guide
18 min readBest ChatGPT Alternatives in 2026
Best ChatGPT Alternatives in 2026: Top AI Assistants Compared
a hands-on comparison of the best ChatGPT alternatives in 2026: Claude, Gemini, Perplexity, Copilot, Grok, and DeepSeek – with pricing, honest trade-offs, and a clear guide to picking the right one. Built for learners on Mexta (mextalearn.com).
18 min de lecture
AI guide
13 min readBest AI Tools for Small Business in 2026
Best AI Tools for Small Business in 2026: Marketing, Sales, Support & Finance
a hands-on breakdown of the best AI tools for small businesses in 2026: which platforms deliver for lean teams, what they actually cost, and a 30-day plan for adoption without the chaos. Built for learners on Mexta (mextalearn.com).
13 min de lecture
AI guide
13 min readAI Consultant Certification in 2026
AI Consultant Certification in 2026: Skills, Training, and Career Path
a hands-on guide to AI consultant certification in 2026: what the job actually involves, which skills matter, how to build a portfolio, and what to look for in a training program. Built for learners on Mexta (mextalearn.com).
13 min de lecture
AI guide
17 min readBest AI Certifications in 2026
Best AI Certifications in 2026: Beginner, Business, Prompt Engineering, and Generative AI Options
a hands-on guide to the best AI certifications in 2026: comparison table by learner goal, selection criteria, certificate vs certification explained, and red flags to avoid. Built for learners on Mexta (mextalearn.com).
17 min de lecture
AI guide
16 min readChatGPT for Excel and Google Sheets in 2026
ChatGPT for Excel and Google Sheets in 2026: Formulas, Dashboards & Automation
a hands-on framework for using ChatGPT inside real spreadsheet workflows: add-in setup, formula generation, the file-parsing sandbox, VBA and Apps Script, dashboard planning, and privacy rules. Includes a verified task matrix and 10 battle-tested prompts. Built for learners on Mexta (mextalearn.com).
16 min de lecture
AI guide
12 min readClaude AI vs ChatGPT
Claude AI vs ChatGPT : quelle IA choisir en 2026 ?
Comparatif Claude vs ChatGPT pour 2026. Tarifs, fonctionnalités, fenêtres de contexte, code, rédaction et offres entreprise : ce guide vous aide à choisir l’outil IA le plus adapté. Built for learners on Mexta (mextalearn.com).
12 min de lecture
AI guide
15 min readBest AI Note Takers in 2026
Best AI Note Takers in 2026: Meeting, Lecture, and Research Tools Compared
Fathom, Fireflies, tl;dv, Fellow, Otter, NotebookLM, Granola, and Jamie compared by use case: meetings, student lectures, sales calls, and research. Includes privacy warnings and free tier breakdown. Built for learners on Mexta (mextalearn.com).
15 min de lecture
AI guide
13 min readWill AI Replace Data Analysts by 2030? Tasks, Risks, and Skills to Learn
Will AI Replace Data Analysts by 2030? Tasks, Risks, and Skills to Learn
AI is automating routine data analyst tasks like SQL writing, report drafts, and data cleaning, but judgment, business context, and stakeholder communication remain human. Here is what is changing and what to learn. Built for learners on Mexta (mextalearn.com).
13 min de lecture
AI guide
13 min readPrompt Engineering Certification in 2026
Prompt Engineering Certification in 2026: What to Learn, How to Choose, and Whether It Is Worth It
a hands-on guide to prompt engineering certification in 2026: when it is worth it, what good programs teach, how to spot red flags, and how to choose the right course. Built for learners on Mexta (mextalearn.com).
13 min de lecture
AI guide
14 min readNano Banana 2 Lite
Nano Banana 2 Lite: Google Gemini Image Model, API & Pricing
a hands-on guide to Nano Banana 2 Lite, Google's fastest and most cost-efficient Gemini image model: API model name, pricing, availability, strengths, limits, and when to use it. Built for learners on Mexta (mextalearn.com).
14 min de lecture
AI guide
16 min readGemini Omni Flash
Gemini Omni Flash: Google Video Model, API, Pricing & Limits
a hands-on guide to Gemini Omni Flash, Google's public-preview video generation and conversational editing model: API model name, pricing, capabilities, limits, and when to use it. Built for learners on Mexta (mextalearn.com).
16 min de lecture
AI guide
21 min readClaude AI vs ChatGPT
Claude AI vs ChatGPT : quelle IA choisir en 2026 ?
Comparatif Claude vs ChatGPT pour 2026. Tarifs, fonctionnalités, fenêtres de contexte, code, rédaction et offres entreprise : ce guide vous aide à choisir l’outil IA le plus adapté. Built for learners on Mexta (mextalearn.com).
21 min de lecture
AI guide
19 min readClaude AI vs ChatGPT
Claude AI vs ChatGPT : quelle IA choisir en 2026 ?
Comparatif Claude vs ChatGPT pour 2026. Tarifs, fonctionnalités, fenêtres de contexte, code, rédaction et offres entreprise : ce guide vous aide à choisir l’outil IA le plus adapté. Built for learners on Mexta (mextalearn.com).
19 min de lecture
AI guide
25 min readChatGPT for Accounting in 2026
ChatGPT for Accounting in 2026: Automation, Prompts & Advisory Workflows
a hands-on guide to ChatGPT for accounting workflows, covering automation, reconciliations, reporting prompts, review controls, and advisory support. Built for learners on Mexta (mextalearn.com).
25 min de lecture
AI guide
14 min readClaude for Vibe Coding in 2026
Claude for Vibe Coding in 2026: Models, Tools, Plugins & Workflow
a hands-on guide to Claude for vibe coding, including model choice, tools, plugins, workflow, review habits, and realistic limits. Built for learners on Mexta (mextalearn.com).
14 min de lecture
AI guide
10 min readClaude Code vs GitHub Copilot in 2026
Claude Code vs GitHub Copilot in 2026: Which AI Coding Assistant Is Better?
a hands-on Claude Code vs GitHub Copilot comparison for developers and teams choosing an AI coding assistant in 2026. Built for learners on Mexta (mextalearn.com).
10 min de lecture
AI guide
18 min readHow to Set Up ChatGPT Locally for Work in 2026
How to Set Up ChatGPT Locally for Work in 2026
a hands-on local AI setup guide explaining what “ChatGPT locally” really means, how to use open-weight models, and how to prepare a work-ready setup. Built for learners on Mexta (mextalearn.com).
18 min de lecture
AI guide
22 min readHow to Build Your Personal Artificial Intelligence Assistant in 2026
How to Build Your Personal Artificial Intelligence Assistant in 2026
a hands-on guide to building a personal AI assistant with chatbots, voice tools, automation, memory, APIs, and privacy checks. Built for learners on Mexta (mextalearn.com).
22 min de lecture
AI guide
12 min readHow to Start an AI Training Career in 2026
How to Start an AI Training Career in 2026: Skills, Roles & Growth Opportunities
a hands-on guide to AI training careers, human feedback roles, domain expertise, required skills, pay ranges, and growth opportunities. Built for learners on Mexta (mextalearn.com).
12 min de lecture
AI guide
17 min readHow to Learn Artificial Intelligence for Free in 2026
How to Learn Artificial Intelligence for Free in 2026: A Step-by-Step Roadmap
A step-by-step free AI learning roadmap for beginners, career switchers, students, and self-taught learners in 2026. Built for learners on Mexta (mextalearn.com).
17 min de lecture
AI guide
10 min readHow to Learn and Use AI for Everyone in 2026
How to Learn and Use AI for Everyone in 2026
a hands-on AI learning roadmap for beginners, professionals, students, and career switchers who want useful AI skills without starting with code. Built for learners on Mexta (mextalearn.com).
10 min de lecture
AI guide
11 min readGoogle vs ChatGPT for Search in 2026
Google vs ChatGPT for Search in 2026: Which One Is Actually Better?
a hands-on comparison of Google and ChatGPT for search, including freshness, citations, research workflows, shopping, local intent, and everyday questions. Built for learners on Mexta (mextalearn.com).
11 min de lecture
AI guide
19 min readWhat Is Prompt Engineering? How It Works and Career Opportunities in 2026
What Is Prompt Engineering? How It Works and Career Opportunities in 2026
a hands-on prompt engineering guide covering definitions, examples, prompt structure, useful skills, career paths, and realistic limits. Built for learners on Mexta (mextalearn.com).
19 min de lecture
AI guide
12 min readHow to Train Your Own AI Model
How to Train Your Own AI Model: Step-by-Step Guide for 2026
a hands-on 2026 guide to AI model training, fine-tuning, LoRA, data preparation, evaluation, and when not to train a model from scratch. Built for learners on Mexta (mextalearn.com).
12 min de lecture
AI guide
15 min readAI Technology Trends 2026
AI Technology Trends 2026: The Complete Guide to What is Next
A business-friendly guide to the AI technology trends shaping 2026, from agentic systems and multimodal models to coding, education, and marketing workflows. Built for learners on Mexta (mextalearn.com).
15 min de lecture
AI guide
11 min readWill AI Replace Teachers by 2030? What Changes First
Will AI Replace Teachers by 2030? What Changes First
A balanced look at whether AI will replace teachers by 2030, which tasks change first, and what skills educators should build now. Built for learners on Mexta (mextalearn.com).
11 min de lecture
AI guide
14 min readChatGPT for Teachers in 2026
ChatGPT for Teachers in 2026: Lesson Plans, Rubrics, Feedback & Safety
a hands-on teacher guide to ChatGPT for lesson planning, rubrics, feedback, quizzes, parent communication, classroom safety, and privacy. Built for learners on Mexta (mextalearn.com).
14 min de lecture
AI guide
14 min readGemini for Students in 2026
Gemini for Students in 2026: Free Plans, Study Prompts & Limits
A student-focused Gemini guide covering free plans, study workflows, Google Workspace, essay support, privacy, and prompt examples. Built for learners on Mexta (mextalearn.com).
14 min de lecture
AI guide
17 min readClaude AI vs ChatGPT
Claude AI vs ChatGPT : quelle IA choisir en 2026 ?
Comparatif Claude vs ChatGPT pour 2026. Tarifs, fonctionnalités, fenêtres de contexte, code, rédaction et offres entreprise : ce guide vous aide à choisir l’outil IA le plus adapté. Built for learners on Mexta (mextalearn.com).
17 min de lecture