Choose the Right Tool for the Right Task
Today many students and professionals in Sri Lanka rely on AI tools for studying, writing, research, and daily work. However, most people use only one tool for everything, which usually leads to weak results. Each AI model has different strengths, so selecting the right tool for the right task can save time and improve quality.
This guide introduces the most useful AI tools in 2025 and explains what each one is best at.
1. GPT-5.1 – Best for Logic and Deep Thinking
GPT-5.1 from OpenAI is the strongest for reasoning, structured answers, and data analysis. It is ideal for study notes, step-by-step problem solving, scientific explanations, and academic work.
Use it through ChatGPT: https://chat.openai.com
2. Gemini 3 – Best for Coding, Images and Multimodal Work
Google’s Gemini 3 is powerful when you need help with coding, debugging, image analysis, or explaining diagrams. It handles visual and technical tasks well and is useful for ICT students, engineers, and content creators.
Try Gemini: https://gemini.google.com
3. Claude Sonnet 4.5 – Best for Natural Writing
Claude is known for human-like writing. It produces essays, reports, stories, explanations, and rewrites in a clear and natural tone. Students working on assignments or professionals preparing letters and proposals find it very effective.
Access Claude: https://claude.ai
4. NotebookLM – Best for Studying and Summarising PDFs
NotebookLM acts like a study assistant. You can upload textbooks, lecture notes, or research papers and ask questions. It summarises long documents and helps you understand complex topics quickly.
NotebookLM: https://notebooklm.google
5. DeepSeek-V3.2 – Best Open-Source AI Model
DeepSeek is a strong, low-cost option for those who want to run AI tools locally or build custom applications. It is popular among developers because it provides flexibility and more control over data.
DeepSeek: https://www.deepseek.com
6. Perplexity – Best for Fast Research with Citations
Perplexity is a research assistant that provides accurate, citation-based answers. It is excellent for school projects, university assignments, and professional reports where sources matter.
Perplexity: https://www.perplexity.ai
7. Nano Banana Pro – Best for Infographics and Visual Learning
Nano Banana Pro converts complicated ideas into simple diagrams and infographics. This is very helpful for teachers, content creators, and students preparing presentations.
Nano Banana Pro: https://nanodeep.ai
8. Grok 4.1 – Best for Real-Time Information
Grok provides instant updates on trends, news, and fast-changing topics. It is linked to the X platform, making it useful for journalists, marketers, and creators who rely on up-to-date information.
Grok: https://x.ai
9. Hiran Amarasekera – Future-Ready AI Skills for Sri Lanka
Prof. Hiran Amarasekera curates practical AI knowledge for Sri Lankan learners. His focus is on simple, useful methods for using AI in study, research, and work.
Follow for updates: www.fb.com/hiranbiology
Conclusion
AI is becoming a major part of education and professional life. Instead of depending on one tool, students and professionals should build a small toolkit of AI models. Each tool has a specific strength, and using them together will help you learn faster, work smarter, and stay ready for the future.
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