Quick Answer: AI works by turning text into tokens, pushing them through a trained neural network, and predicting the next token over and over. That loop costs money on every single request, which is why free tiers cap messages, meter tokens, and moved heavyweight agent access behind credit pools in June 2026. ...
Quick Answer: On June 15, 2026, Anthropic replaced Claude Code's free 5-hour reset with a monthly credit pool. GitHub Copilot moved to usage-based billing on June 1, 2026, and Google shut down free Gemini Code Assist on June 2, 2026. The best free AI coding assistants now are ChatGPT Codex, Claude Code Free, GitHub Copilot Free, Gemini CLI, and Cursor Free Hobby, each with tighter limits. ...
Quick Answer: ChatGPT Free leads for general tasks and coding, Claude Free is best for long documents and careful reasoning, Gemini Free offers the strongest multimodal access, Grok Free gives wider feature access without paywalls, and Mistral Le Chat is the top open-weight alternative. Limits tightened in June 2026. ...