Guides
Guides to AI coding tools
Plain-English guides to AI coding tools: what they cost, how usage limits work, which ones take your own API key and how to choose. Each one is built from the same sourced facts as our tool profiles, and updated when they change.
Updated Nov 15PricingAI coding tool pricing compared: every plan, November 2026What Codex, Claude Code, Copilot, Cursor, Antigravity, Kiro, Devin, Zed, Amp and Cline cost, from free tiers to $200 plans, and what you actually get at each price.Updated Nov 15Bring your own keyAI coding tools that work with your own API keyWhich coding agents let you bring your own model keys or existing subscriptions, what each one supports, and when paying the provider directly beats a flat plan.Updated Nov 15MigrationGemini CLI is winding down: the timeline and what to use insteadConsumer access ended in June 2026 and Gemini Code Assist stopped taking new subscriptions in October. Here is the full timeline and the best alternatives, from Antigravity CLI to Claude Code and open-source options.Updated Nov 15Open sourceOpen-source AI coding agents in 2026: which ones you can inspect and self-runCodex CLI, Gemini CLI, Cline, OpenCode, Goose, Warp and Zed are open source. Here is each one's licence, what it runs on, how you pay for models, and what changed recently.Updated Nov 15Usage limitsHow usage limits work in Codex, Claude Code, Copilot and CursorFive-hour windows, weekly caps, monthly credits and API-rate billing: the four ways AI coding tools meter you, and what happens when you hit the limit in each.