OpenAI has paused new sign-ups and upgrades for the $200/mo ChatGPT Pro tier as power users leveraging the 20X token capacity multiplier on GPT-6 Astra burn through 15M to 30M reasoning tokens per month, creating up to a -$1,240/month deficit per seat.
A practical Gemini 3.7 Flash vs GPT-5.6 Luna comparison covering price, published evals, token economics, agents, Antigravity, Codex, computer use, and API limits.