What is ChatGPT?
ChatGPT is OpenAI's generative AI assistant used by 300M+ people weekly. It reasons across text, images, code and voice, and is the fastest-adopted productivity tool in history.
- Category
- AI & Machine Learning
- Top roles
- Prompt Engineer, AI Automation Specialist
- Core skills
- Prompt engineering, GPT-4 & GPT-5 APIs, Function calling
Industry applications
Career opportunities & salary
| Role | Salary (India) |
|---|---|
| Prompt Engineer | 8-22 LPA |
| AI Automation Specialist | 10-24 LPA |
| AI Content Strategist | 9-18 LPA |
Skills roadmap
Learning roadmap
- Phase 1Basics
- Prompting patterns
- System vs user prompts
- Roles and context
- Phase 2Power user
- Custom GPTs
- Memory
- Voice
- Data analysis mode
- Phase 3Builder
- ChatGPT API
- Assistants API
- RAG
- Tool use
Latest trends (2026)
- GPT-5 reasoning models
- Long-lived assistants
- Multimodal voice-first UX
- Agents that browse and act
Tools used
Deep dives
12 in-depth ChatGPT guides — from beginner concepts to career and interview prep.
Frequently asked questions
Is ChatGPT free?
Yes. A free tier is available with limits. Paid Plus/Pro/Team tiers unlock GPT-5, higher limits, memory and voice.
Which is better: ChatGPT or Claude?
ChatGPT leads on ecosystem and coding assistants; Claude leads on long-context reasoning and safety. Most professionals use both.