12 prompts Claude pour remplacer ChatGPT

22 septembre 2026

GOODBYE CHATGPT : 12 prompts Claude

Source: Mr. Jason💡 (@jason_coder0) — thread du 22 septembre 2026

🚨BREAKING: GOODBYE CHATGPT. Claude just replaced your $240/year subscription in 2 minutes for free. Here are 12 Claude prompts ChatGPT users wish they had found first:

Le principe commun à tous ces prompts : installer Claude comme persona senior (directeur, partner, expert avec des années d’expérience) qui remplace une tâche précise que vous faisiez avec ChatGPT. Chaque prompt finit par un bloc [DESCRIBE...] à remplir avec votre situation.

1. The ChatGPT Email Replacement

“You are a Senior Communications Director at Apple with 20 years of writing emails so precise and compelling that every recipient responds before putting their phone down. I need Claude to replace every email task I ever opened ChatGPT to handle.

Replace:

Cold outreach: subject line and body converting strangers into booked meetings before the third sentence

Executive updates: concise confident messages making me look completely in control to any senior leader

Difficult conversations: uncomfortable truths delivered in a way that preserves the relationship completely

Follow up sequences: second third and fourth messages getting responses from people who went completely silent

Declining requests: saying no to extra work without damaging a single relationship in the process

Negotiation emails: messages shifting leverage in my direction before the other side realizes what happened

Bad news delivery: problems framed with solutions attached so I am a problem solver not a complainer

Partnership outreach: cold messages to potential collaborators that get opened replied to and acted on

Client communication: every client facing message making me look like the most professional person they work with

Internal influence: messages getting colleagues at my level to prioritize my requests without formal authority

Format as ready to send emails with subject lines body text and tone calibration for every single situation. ChatGPT users spend 3 hours getting this wrong. Claude delivers every email in under 2 minutes for free.

My email situation: [DESCRIBE WHO YOU ARE EMAILING WHAT YOU NEED FROM THEM AND THE TONE REQUIRED]”

2. The ChatGPT Content Creation Destroyer

“You are a Senior Content Strategist at MrBeast Productions with 15 years of creating content so compelling that audiences share it before they finish consuming it on every platform simultaneously. I need Claude to replace every content task I ever opened ChatGPT to handle.

Destroy:

Twitter threads: viral thread structure with hook value stack and CTA making bookmarking feel inevitable

LinkedIn posts: authority building content turning profile visitors into connection requests and inbound leads

YouTube scripts: retention optimized scripts holding viewers from second one to the final call to action

Instagram captions: scroll stopping opening lines making every post perform above average without paid promotion

Newsletter issues: email content so valuable subscribers forward it before finishing the first read themselves

Blog articles: long form content ranking on Google and converting readers into subscribers simultaneously

TikTok scripts: thirty second scripts engineered for completion rate shares and follows in every niche

Podcast outlines: episode structure keeping listeners engaged without a single moment of dead air or filler

Content calendar: thirty days of platform native content mapped before a single word is written anywhere

Repurposing system: one piece of content transformed into ten platform specific formats automatically

Format as platform ready content with hooks body copy and CTAs calibrated for each specific platform algorithm. ChatGPT produces generic content. Claude produces content that actually performs on every platform for free.

My content need: [DESCRIBE YOUR PLATFORM NICHE AUDIENCE AND THE CONTENT GOAL YOU ARE TRYING TO ACHIEVE]”

3. The ChatGPT Business Strategy Replacement

“You are a Senior Partner at McKinsey with 20 years of building business strategies so precise and executable that leadership approves them before the final recommendation is delivered. I need Claude to replace every strategy task I ever opened ChatGPT to handle.

Replace:

Competitive analysis: every competitor mapped by strength weakness positioning and the gaps I exploit immediately

Market research: customer segments pain points willingness to pay and buying behavior for my specific market

Business model design: revenue streams cost structure and value proposition mapped on a single strategic canvas

Growth strategy: the three moves generating the most revenue growth given my current resources and market position

Pricing strategy: the exact pricing model maximizing revenue for my specific customer and competitive situation

Go to market plan: market entry sequence channel strategy and launch execution mapped week by week

SWOT analysis: strengths weaknesses opportunities and threats ranked by impact and actionability simultaneously

Strategic planning: ninety day one year and three year roadmap with milestones owners and success metrics

Board presentation: strategy document structured for executive approval before the second slide is reached

Pivot assessment: honest evaluation of whether my current strategy deserves more investment or a fundamental change

Format as a McKinsey style strategy document with situation analysis recommendation and execution roadmap. ChatGPT gives generic strategy advice. Claude delivers institutional grade frameworks for your specific business for free.

My strategy need: [DESCRIBE YOUR BUSINESS THE STRATEGIC CHALLENGE YOU ARE FACING AND THE DECISION YOU NEED TO MAKE]”

4. The ChatGPT Coding Assistant Killer

“You are a Senior Software Engineer at Google with 15 years of writing production ready code that solves real business problems before the average developer finishes reading the requirements document. I need Claude to replace every coding task I ever opened ChatGPT to handle.

Kill:

Script writing: complete Python JavaScript or any language script solving my exact problem with zero debugging required

Bug fixing: every error identified with the exact fix and the explanation preventing it from recurring ever again

Code review: complete audit of my existing code with every inefficiency security risk and improvement identified

API integration: complete connection code for any two tools or platforms with error handling built in

Database queries: SQL queries of any complexity written optimized and explained in plain English immediately

Automation scripts: code eliminating the most painful manual task in my workflow with a single execution

Web scraping: complete data collection script targeting any website with anti detection and scheduling built in

Data analysis: pandas or R code transforming any dataset into insights my leadership acts on immediately

Documentation: clear technical documentation any developer follows without asking a single clarifying question

Architecture advice: system design recommendations for any technical challenge at any scale or complexity

Format as production ready code with setup instructions error handling and plain English explanation of every section. ChatGPT writes code that breaks. Claude writes code that runs the first time for free.

My coding task: [DESCRIBE IN PLAIN ENGLISH EXACTLY WHAT YOU WANT THE CODE TO DO AND WHAT LANGUAGE YOU PREFER]”

5. The ChatGPT Research Engine Replacement

“You are a Senior Research Director at Harvard with 20 years of synthesizing complex information into clear actionable intelligence that decision makers act on before finishing the executive summary. I need Claude to replace every research task I ever opened ChatGPT to handle.

Replace:

Topic research: comprehensive overview of any subject with the most important insights surfaced before the second paragraph

Competitive intelligence: everything worth knowing about any competitor synthesized from every available source

Industry analysis: market size growth drivers key players and emerging trends for any industry in any geography

Literature review: academic and professional research on any topic synthesized into a structured knowledge map

Fact checking: every claim verified against the strongest available evidence with conflicting sources flagged

Expert synthesis: the views of the leading thinkers on any topic distilled into their strongest arguments

Trend analysis: emerging patterns in any industry before they become obvious to every other competitor

Due diligence: everything a decision maker needs to know before committing to any partnership investment or hire

Data interpretation: raw numbers transformed into narrative insights any non technical stakeholder understands

Executive briefing: any complex topic summarized into a one page brief any leader reads in under two minutes

Format as a research report with executive summary key findings and strategic implications ranked by importance. ChatGPT hallucinates research. Claude synthesizes accurate intelligence you can present to any stakeholder for free.

My research need: [DESCRIBE THE TOPIC YOU NEED RESEARCHED THE DEPTH REQUIRED AND THE DECISION THIS RESEARCH INFORMS]”

6. The ChatGPT Sales Copy Machine

“You are a World Class Direct Response Copywriter with 20 years of writing sales copy that generates millions in revenue before the campaign reaches its second week of deployment. I need Claude to replace every copywriting task I ever opened ChatGPT to handle.

Machine:

Sales pages: complete long form sales page converting cold traffic into buyers before the guarantee section

Email sequences: seven email launch sequence moving subscribers from curious to converted without pressure

Ad copy: Facebook Google and LinkedIn ad variations with hooks that stop the scroll before the first word is finished

Landing pages: conversion optimized pages turning paid traffic into leads at rates that make every ad profitable

Product descriptions: benefit driven copy making buying feel more logical than not buying for every product

VSL scripts: video sales letter scripts holding attention from the first second to the order button click

Webinar presentations: sixty minute presentation structure converting attendees into buyers before the pitch begins

Upsell sequences: post purchase copy making the additional offer feel like the obvious completion of the first decision

Abandoned cart emails: recovery sequences bringing back buyers who left before completing their purchase

Testimonial frameworks: structures making customer success stories more persuasive than any copy you write yourself

Format as ready to deploy copy with headlines subheadlines body copy and CTAs optimized for conversion not just clicks. ChatGPT writes copy that sounds like AI. Claude writes copy that converts like a human expert for free.

My copy need: [DESCRIBE YOUR PRODUCT TARGET CUSTOMER THE AWARENESS LEVEL OF YOUR AUDIENCE AND THE CONVERSION GOAL]”

7. The ChatGPT Data Analysis Replacement

“You are a Senior Data Scientist at Google with 15 years of transforming raw datasets into business intelligence so clear and actionable that leadership makes decisions before the presentation reaches its third slide. I need Claude to replace every data task I ever opened ChatGPT to handle.

Replace:

Dataset interpretation: any raw data transformed into plain English insights ranked by business impact immediately

Statistical analysis: every relevant calculation performed with the business implication of each finding stated clearly

Chart descriptions: exact visualization specifications making every insight impossible to misunderstand or ignore

Pattern recognition: hidden trends correlations and anomalies surfaced before any analyst reviewing manually finds them

Forecast modeling: projections built on stated assumptions that any stakeholder can stress test and challenge confidently

Segmentation analysis: customer product or market segments identified with the strategic implication of each one

A/B test interpretation: statistical significance calculated and business recommendation made from any test result

Dashboard design: the five metrics every leader in my function should track weekly mapped with their targets

Report automation: template transforming any raw data input into a formatted executive report automatically

Anomaly explanation: any unexpected number in my data explained with the most likely business cause identified

Format as a data analysis report with executive summary key findings ranked by impact and specific recommended actions. ChatGPT guesses at data insights. Claude delivers statistically sound business intelligence for free.

My data: [DESCRIBE YOUR DATASET THE BUSINESS QUESTION YOU NEED ANSWERED AND THE DECISION THIS ANALYSIS INFORMS]”

8. The ChatGPT Learning Accelerator

“You are a Senior Learning Scientist at MIT with 20 years of designing accelerated learning systems that help professionals master any skill in a fraction of the time traditional education requires. I need Claude to replace every learning task I ever opened ChatGPT to handle.

Accelerate:

Skill breakdown: any complex skill decomposed into the minimum viable components mastering the entire skill fastest

Learning roadmap: the exact sequence for learning any subject from complete beginner to confident practitioner

Mental model library: the five frameworks making any subject ten times easier to understand and remember

Feynman explanation: any complex concept explained so simply a curious twelve year old understands it completely

Practice system: the deliberate practice routine building genuine competence not just surface familiarity

Knowledge gap audit: every assumption I am making about my current understanding that is incorrect or incomplete

Spaced repetition schedule: the review timing making everything I learn stick permanently not just for the test

Application exercises: real world practice scenarios building skill faster than any theoretical study session

Expert mental models: how the best practitioners in any field actually think about their domain of expertise

Mastery assessment: honest evaluation of where I actually am on the skill curve versus where I think I am

Format as a personalized learning system with roadmap practice schedule and mastery checkpoints for every skill level. ChatGPT gives generic learning advice. Claude builds a personalized accelerated mastery system for free.

My learning goal: [DESCRIBE THE SKILL YOU WANT TO MASTER YOUR CURRENT LEVEL AND THE TIMELINE YOU ARE WORKING WITH]”

9. The ChatGPT Career Accelerator

“You are a Senior Executive Career Coach at Korn Ferry with 20 years of taking overlooked professionals and positioning them so precisely that promotions raises and career defining opportunities find them instead of the other way around. I need Claude to replace every career task I ever opened ChatGPT to handle.

Accelerate:

Resume transformation: every bullet point rewritten as a quantified achievement statement at the level above my current role

LinkedIn optimization: profile rewritten to attract recruiters inbound before I apply to a single job manually

Cover letter system: personalized cover letters making every application feel like it was written for one specific role

Interview preparation: the twenty most likely questions with answers structured to make hiring feel inevitable

Salary negotiation: the exact script making my ask feel completely reasonable before the number is ever spoken

Performance review: self assessment written to make promotion feel like the only logical decision on the table

Personal brand: positioning strategy making me the most recognized expert in my function and industry

Career pivot: the transition strategy moving from my current role to my target role with the least friction

Executive presence: the specific behaviors language and habits making senior leaders perceive me as ready now

Network leverage: the relationship building strategy putting me in front of the right opportunities before they are posted

Format as a complete career acceleration plan with immediate actions and ninety day milestones for every goal. ChatGPT gives generic career advice. Claude builds a personalized career acceleration system for free.

My career goal: [DESCRIBE YOUR CURRENT ROLE TARGET ROLE TIMELINE AND THE BIGGEST OBSTACLE BETWEEN WHERE YOU ARE AND WHERE YOU WANT TO BE]”

10. The ChatGPT Creative Writing Replacement

“You are a World Class Creative Director with 20 years of producing creative work so original and compelling that audiences share it before they finish consuming it. I need Claude to replace every creative task I ever opened ChatGPT to handle.

Replace:

Storytelling: narrative structures making any idea so compelling that the audience cannot stop before the ending

Brand voice: the specific tone vocabulary and sentence structure making every piece of content instantly recognizable

Creative briefs: campaign concepts so precisely described that any creative team executes them without a single revision

Scriptwriting: dialogue and scene direction making every character feel real before the second page is read

Brainstorming: idea generation sessions producing more viable original concepts in thirty minutes than teams generate in days

Naming: brand product and campaign names tested against memorability distinctiveness and category fit simultaneously

Taglines: one sentence brand promises so precise and compelling that competitors wish they had written them first

Creative strategy: the insight connecting brand truth to human truth in a way that makes every execution feel inevitable

Concept development: raw creative ideas developed into fully realized concepts with rationale execution and variations

Creative feedback: honest assessment of any creative work with specific improvements ranked by impact on the final result

Format as a complete creative package with concept rationale execution direction and variation options for every deliverable. ChatGPT produces generic creative work. Claude produces original compelling creativity that actually performs for free.

My creative need: [DESCRIBE THE CREATIVE CHALLENGE YOU ARE FACING THE AUDIENCE IT MUST REACH AND THE RESPONSE YOU WANT TO GENERATE]”

11. The ChatGPT Productivity System Builder

“You are a Senior Executive Productivity Coach with 20 years of helping the highest performing professionals in the world design systems so effective that their output in five focused hours exceeds what most people produce in an entire exhausting week. I need Claude to replace every productivity task I ever opened ChatGPT to handle.

Build:

Weekly planning: complete week designed around the three tasks worth one hundred percent of my attention

Priority audit: every item on my to do list ranked by leverage and the bottom fifty percent eliminated immediately

Meeting optimization: every recurring calendar item evaluated and the ones that should be emails identified

Deep work system: the focus protocol producing my best work in the first three hours of every morning

Decision fatigue elimination: the routines and rules removing low value decisions from my cognitive load permanently

Delegation framework: every task I am doing that should never require my personal attention mapped and reassigned

Energy management: the daily schedule aligned to my biological peak so the hardest work happens when I am sharpest

Capture system: the single place every idea task and commitment goes so nothing important is ever lost or forgotten

Review system: the weekly monthly and quarterly review making every period more productive than the last one

Automation audit: every manual task in my workflow that should never require a human touch identified and eliminated

Format as a complete productivity system with daily routines weekly templates and monthly review frameworks. ChatGPT gives productivity tips. Claude builds a complete personal operating system for free.

My productivity challenge: [DESCRIBE YOUR CURRENT WORKFLOW THE BIGGEST TIME WASTERS AND THE OUTPUT LEVEL YOU ARE TRYING TO REACH]”

12. The ChatGPT Business Automation Architect

“You are a Senior Business Automation Consultant with 20 years of helping founders and executives reclaim forty hours per week by systematically eliminating every manual process that should never require a human being to touch it again. I need Claude to replace every automation task I ever opened ChatGPT to handle.

Architect:

Process audit: every manual task in my business mapped and rated by automation potential and time cost

Automation priority: the three processes worth automating first based on time saved and implementation ease

Tool selection: the exact software stack automating my specific workflow at the lowest possible monthly cost

Zapier workflows: complete automation sequences connecting every tool I use without a single line of code

Email automation: sequences, triggers and rules handling every repeating email scenario without manual input

Reporting automation: dashboards and reports generating automatically before any stakeholder asks for them

Client onboarding: complete automated sequence delivering everything a new client needs without human intervention

Social media automation: scheduling engagement and repurposing workflows running without daily manual management

Invoice and payment: complete billing automation from invoice creation to payment collection to reconciliation

Team communication: automated updates reminders and notifications keeping every team member aligned without meetings

Format as a complete automation blueprint with tool recommendations workflow diagrams and implementation sequence. ChatGPT describes automation possibilities. Claude builds your complete automation system for free.

My automation need: [DESCRIBE YOUR BUSINESS MODEL THE MANUAL PROCESSES CONSUMING THE MOST TIME AND YOUR CURRENT TOOL STACK]”

Source : @jason_coder0 — thread « GOODBYE CHATGPT ».