Model Comparison Aug 22, 2026
GPT-5.6 Luna vs GPT-5.4 Pro: OpenAI's New Model — Which to Pick?
An August 2026 spec-and-pricing comparison of OpenAI's GPT-5.6 Luna and GPT-5.4 Pro — context windows, capabilities, and real per-million-token MeshTok pricing. No fabricated benchmarks.