What is…? Plain-English explainers
Short explainers written from official documentation. Each cites its sources with the date we read them, and everything is labelled Reported unless we ran it ourselves. How we work.
Concepts (4)
- What is agentic AI? Definition, how it works and examples (2026) (updated Oct 25, 2026)
Agentic AI means AI systems that set goals, plan and act with tools and little human input. Definition, components, vs generative AI and AI agents, read 2026-10-25. - What is an AI coding agent? How it differs from autocomplete (2026) (updated Oct 25, 2026)
An AI coding agent reads your codebase, edits files, runs commands and tests, and iterates. How it differs from autocomplete, with examples and limits. Read 2026-10-25. - What is an MCP server? A plain-English guide (2026) (updated Oct 25, 2026)
An MCP server meaning, explained from the official MCP docs: how hosts, clients and servers work, local vs remote, popular examples, and what we tested. - What is vibe coding? Meaning, how it works and the risks (2026) (updated Oct 25, 2026)
Vibe coding means building software by describing it to an AI and accepting what it writes. Definition, how it works, risks and tools, from sources read 2026-10-25.
What is each tool? (16)
- What is Aider? Facts, license and pricing (Oct 2026) (updated Oct 25, 2026)
What is Aider? Listed under AI coding agents, from Aider-AI; license: Apache-2.0; 49,752 GitHub stars. Facts from official pages read Oct 25, 2026. - What is Browser Use? Facts, license and pricing (Oct 2026) (updated Oct 25, 2026)
What is Browser Use? Listed under Agent building, from Browser Use; license: MIT; 119,131 GitHub stars. Facts from official pages read Oct 25, 2026. - What is Dify? Facts, license and pricing (Oct 2026) (updated Oct 25, 2026)
What is Dify? Listed under Agent building, from LangGenius; license: Modified Apache 2.0; 159,534 GitHub stars. Facts from official pages read Oct 25, 2026. - What is Firecrawl? Facts, license and pricing (Oct 2026) (updated Oct 25, 2026)
What is Firecrawl? Listed under MCP servers, from Firecrawl; license: AGPL-3.0; pricing: Freemium. Facts from official pages read Oct 25, 2026. - What is Hugging Face? Facts, license and pricing (Oct 2026) (updated Oct 25, 2026)
What is Hugging Face? Listed under Local LLMs and model platforms, from Hugging Face; license: Varies by repository. Facts from official pages read Oct 25, 2026. - What is Ideogram? Facts, license and pricing (Oct 2026) (updated Oct 25, 2026)
What is Ideogram? Listed under Image generation, from Ideogram; license: Proprietary. Facts from official pages read Oct 25, 2026. - What is LangChain? Facts, license and pricing (Oct 2026) (updated Oct 25, 2026)
What is LangChain? Listed under Agent building, from LangChain; license: MIT; 148,451 GitHub stars. Facts from official pages read Oct 25, 2026. - What is llama.cpp? Facts, license and pricing (Oct 2026) (updated Oct 25, 2026)
What is llama.cpp? Listed under Local LLMs and model platforms, from ggml-org; license: MIT; 132,360 GitHub stars. Facts from official pages read Oct 25, 2026. - What is LM Studio? Facts, license and pricing (Oct 2026) (updated Oct 25, 2026)
What is LM Studio? Listed under Local LLMs and model platforms, from LM Studio; license: Proprietary application. Facts from official pages read Oct 25, 2026. - What is Make? Facts, license and pricing (Oct 2026) (updated Oct 25, 2026)
What is Make? Listed under No-code automation, from Make; license: Proprietary; pricing: Freemium, credits-based. Facts from official pages read Oct 25, 2026. - What is n8n? Facts, license and pricing (Oct 2026) (updated Oct 25, 2026)
What is n8n? Listed under Agent building, from n8n; pricing: Free self-hosted Community Edition + paid plans. Facts from official pages read Oct 25, 2026. - What is Ollama? Facts, license and pricing (Oct 2026) (updated Oct 25, 2026)
What is Ollama? Listed under Local LLMs and model platforms, from Ollama; license: MIT; 184,762 GitHub stars. Facts from official pages read Oct 25, 2026. - What is Open WebUI? Facts, license and pricing (Oct 2026) (updated Oct 25, 2026)
What is Open WebUI? Listed under Local LLMs and model platforms, from Open WebUI; license: Open WebUI License. Facts from official pages read Oct 25, 2026. - What is OpenHands? Facts, license and pricing (Oct 2026) (updated Oct 25, 2026)
What is OpenHands? Listed under AI coding agents, from OpenHands; license: MIT; 91,839 GitHub stars. Facts from official pages read Oct 25, 2026. - What is Perplexity? Facts, license and pricing (Oct 2026) (updated Oct 25, 2026)
What is Perplexity? Listed under AI search and research, from Perplexity AI; license: Proprietary; pricing: Freemium. Facts from official pages read Oct 25, 2026. - What is Vapi? Facts, license and pricing (Oct 2026) (updated Oct 25, 2026)
What is Vapi? Listed under AI voice and speech, from Vapi; license: Proprietary; pricing: Pay as you go. Facts from official pages read Oct 25, 2026.
Pricing pages (21)
- Cartesia pricing (Oct 2026): plans and free tier (updated Oct 25, 2026)
Cartesia pricing as of Oct 25, 2026 (Freemium): plan table, free tier and what the vendor's page does not say. - Deepgram pricing (Oct 2026): plans and free tier (updated Oct 25, 2026)
Deepgram pricing as of Oct 25, 2026 (Pay as you go): plan table, free tier and what the vendor's page does not say. - Devin pricing (Oct 2026): plans and free tier (updated Oct 25, 2026)
Devin pricing as of Oct 25, 2026 (Freemium): plan table, free tier and what the vendor's page does not say. - ElevenLabs pricing (Oct 2026): plans and free tier (updated Oct 25, 2026)
ElevenLabs pricing as of Oct 25, 2026 (Credit-based subscription): plan table, free tier and what the vendor's page does not say. - GitHub Copilot pricing (Oct 2026): plans and free tier (updated Oct 25, 2026)
GitHub Copilot pricing as of Oct 25, 2026 (Free + paid plans with usage credits): plan table, free tier and what the vendor's page does not say. - Grammarly pricing (Oct 2026): plans and free tier (updated Oct 25, 2026)
Grammarly pricing as of Oct 25, 2026 (Freemium): plan table, free tier and what the vendor's page does not say. - HeyGen pricing (Oct 2026): plans and free tier (updated Oct 25, 2026)
HeyGen pricing as of Oct 25, 2026 (Freemium): plan table, free tier and what the vendor's page does not say. - Ideogram pricing (Oct 2026): plans and free tier (updated Oct 25, 2026)
Ideogram pricing as of Oct 25, 2026 (Freemium, subscription and pay-as-you-go): plan table, free tier and what the vendor's page does not say. - Kiro pricing (Oct 2026): plans and free tier (updated Oct 25, 2026)
Kiro pricing as of Oct 25, 2026 (Freemium (credit-based)): plan table, free tier and what the vendor's page does not say. - Mistral Le Chat pricing (Oct 2026): plans and free tier (updated Oct 25, 2026)
Mistral Le Chat pricing as of Oct 25, 2026 (Freemium): plan table, free tier and what the vendor's page does not say. - Leonardo.Ai pricing (Oct 2026): plans and free tier (updated Oct 25, 2026)
Leonardo.Ai pricing as of Oct 25, 2026 (Freemium with subscriptions and pay-as-you-go API): plan table, free tier and what the vendor's page does not say. - Mem0 pricing (Oct 2026): plans and free tier (updated Oct 25, 2026)
Mem0 pricing as of Oct 25, 2026 (Freemium): plan table, free tier and what the vendor's page does not say. - Murf AI pricing (Oct 2026): plans and free tier (updated Oct 25, 2026)
Murf AI pricing as of Oct 25, 2026 (Free API trial, pay as you go and enterprise): plan table, free tier and what the vendor's page does not say. - Notion AI pricing (Oct 2026): plans and free tier (updated Oct 25, 2026)
Notion AI pricing as of Oct 25, 2026 (Freemium): plan table, free tier and what the vendor's page does not say. - Ollama pricing (Oct 2026): plans and free tier (updated Oct 25, 2026)
Ollama pricing as of Oct 25, 2026 (Free + paid cloud plans): plan table, free tier and what the vendor's page does not say. - Perplexity pricing (Oct 2026): plans and free tier (updated Oct 25, 2026)
Perplexity pricing as of Oct 25, 2026 (Freemium): plan table, free tier and what the vendor's page does not say. - Runway pricing (Oct 2026): plans and free tier (updated Oct 25, 2026)
Runway pricing as of Oct 25, 2026 (Credit-based subscription): plan table, free tier and what the vendor's page does not say. - v0 pricing (Oct 2026): plans and free tier (updated Oct 25, 2026)
v0 pricing as of Oct 25, 2026 (Free + paid plans with token-based usage): plan table, free tier and what the vendor's page does not say. - Warp pricing (Oct 2026): plans and free tier (updated Oct 25, 2026)
Warp pricing as of Oct 25, 2026 (Freemium): plan table, free tier and what the vendor's page does not say. - Zapier pricing (Oct 2026): plans and free tier (updated Oct 25, 2026)
Zapier pricing as of Oct 25, 2026 (Freemium): plan table, free tier and what the vendor's page does not say. - Zed pricing (Oct 2026): plans and free tier (updated Oct 25, 2026)
Zed pricing as of Oct 25, 2026 (Freemium): plan table, free tier and what the vendor's page does not say.