Devin is Cognition AI's autonomous AI software engineer that writes code, fixes bugs, and opens pull requests end-to-end. Learn how it works, its pricing, and how it differs from Claude Code and Cursor.

NotebookLM is Google's Gemini-powered AI research notebook. Upload PDFs, Docs, and audio to generate grounded summaries, Q&A, and podcast-style Audio Overviews. Learn its features, pricing, and how to get started.

Prompt Caching is Anthropic's Claude API feature that caches reusable prompt prefixes, cutting costs by up to 90% and latency by up to 85% for repeated long-context calls. Learn how it works and when to use it.

Cowork is Anthropic's research-preview desktop agent mode for Claude that helps non-developers automate file management and multi-step tasks on their computer. Learn how it works, its key features, and how it compares with Claude Code.

Perplexity is an AI-powered answer engine that cites its sources. This guide covers how Perplexity works, Perplexity Pro and Perplexity Comet, pricing, the API, and how it compares to Google and other AI chatbots.

Grok 4 is xAI's latest frontier AI model, created under Elon Musk's xAI with deep integration into X (formerly Twitter). This guide explains its architecture, pricing, API usage, and how it compares to Claude and GPT-5.

Artifact is Claude's dedicated workspace for generated code, documents, diagrams, and interactive apps. This guide explains what Artifacts are, how they work, practical examples, and how they compare to ChatGPT Canvas.

Claude Haiku 4.5 is Anthropic's fast, affordable AI model in the Claude 4.5 family. This guide explains its architecture, pricing, API usage, and how it compares to Opus 4.6 and Sonnet 4.6.

OpenAI, headquartered in San Francisco, develops ChatGPT, GPT-5, Sora, DALL-E, and more. This comprehensive guide covers the company's history, products, CEO Sam Altman, Microsoft partnership, and how it compares to Anthropic.

Computer Use lets Anthropic's Claude see screenshots and control mouse, keyboard, and applications like a human. This guide covers architecture, API setup, OSWorld 72.5% benchmark, real use cases, and how it compares to RPA.