Codex vs Claude Code vs Antigravity: $500 to $0 [2026]
Codex, Claude Code and Google Antigravity now sell three different bets on how a coding agent should work, and the price spread runs from a $0 Antigravity free plan to a $500 ChatGPT Pro tier. As of October 29, 2026, each product runs on a freshly updated model line. OpenAI leans on GPT-6 Astra, GPT-6.1…