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Learn AI from scratch — what RAG, agents, prompts, fine-tuning, alignment, and context windows actually mean; how to pick a tool; practical use cases; advanced techniques.
What is prompt injection? The bug that won't fully go away
Prompt injection is when untrusted input — an email, a webpage, a PDF — secretly hijacks the LLM's instructions. There's no fix yet, only mitigations.
Why LLMs hallucinate, and what to actually do about it
An LLM that 'hallucinates' isn't lying — it's predicting plausible text without knowing if it's true. The mitigations are RAG, citations, and verification, not 'better training data'.
Cursor vs Claude Code vs Windsurf: how to pick a coding agent in 2026
Three tools, mostly the same idea, very different feel. Cursor for IDE comfort, Claude Code for terminal control, Windsurf for the smoothest in-between. Here's how to choose.
How to pick an AI image tool: Midjourney vs Flux vs Ideogram in 2026
A practical pick guide based on what each model is actually good at — not feature-checklist marketing.
How to pick an AI video tool: Runway vs Veo vs Kling vs Sora in 2026
Each model is good at different shots. Here's how to match the tool to what you're actually trying to make.
How to pick an AI voice / TTS tool: ElevenLabs vs OpenAI vs Cartesia
Voice cloning, low-latency streaming, character voices, multilingual — different tools win at different jobs.
How to pick an agent framework: LangGraph vs CrewAI vs Mastra vs no framework
Most teams pick a framework first and discover requirements later. Pick one (or none) based on what your agent actually needs to do.
How to pick a translation tool: DeepL vs Google vs LLM-direct in 2026
DeepL still wins for European languages; LLMs win when you can describe context. Here's how to choose.