Guide complet des plugins et GPTs personnalises ChatGPT [2026]
Guide complet de l'ecosysteme des plugins ChatGPT et des GPTs personnalises. Comment les creer, les utiliser et les meilleurs GPTs a essayer en 2026.
Custom GPTs have replaced the original plugin system in ChatGPT, offering a more powerful and flexible way to extend ChatGPT's capabilities. This guide covers everything you need to know.
What Are Custom GPTs?
Custom GPTs are specialized versions of ChatGPT configured for specific tasks. They can include custom instructions, knowledge files, and API integrations (Actions). Anyone with a ChatGPT Plus or higher plan can create them.
How to Create a Custom GPT
1. Go to ChatGPT > Explore GPTs > Create 2. Describe your GPT's purpose in the GPT Builder 3. Upload knowledge files (PDFs, documents) 4. Configure Actions (API connections) if needed 5. Set conversation starters and tone 6. Publish (private, team, or public)
Top Custom GPTs to Try
Productivity
- Consensus: Search 200M+ academic papers with AI-powered summaries
- Canva: Design presentations, social media posts directly in chat
- Zapier: Automate workflows across 6,000+ apps
Writing
- Write For Me: Tailored writing assistant with style adaptation
- Humanizer: Make AI text sound more natural
Coding
- Grimoire: Coding wizard that builds websites from prompts
- SQL Expert: Database query assistant
Research
- Scholar AI: Academic research assistant with citation support
- WebPilot: Browse and analyze web pages
Best Practices
- Be specific in your GPT's instructions
- Upload relevant reference documents
- Test with diverse queries before publishing
- Update knowledge files regularly
- Use conversation starters to guide users
Custom GPTs democratize AI tool creation, allowing anyone to build specialized AI assistants without coding.