How to get free and discounted AI model API keys in 2026. Covers VS Code GitHub Copilot API, Google Vertex AI free credits, OpenRouter, Requestly, and other deals for developers building with Claude, GPT, and Gemini.
A ranked guide to the best free and budget AI coding tools in 2026 — from Codex free account rotation to Kiro AWS credits. Build real projects without breaking the bank.