GPT-5.6 vs. Claude Fable 5: Benchmarks, Pricing, and the Release-Day AI Showdown
GPT-5.6 is OpenAI's three-model family released on July 9, 2026. This analysis compares Sol, Terra, and Luna with Claude Fable 5, and follows the same-day clash involving a surprise Claude usage reset and the launch of ChatGPT Work.
