GPT-6 Sol, Luna & Claude Opus 5.5 Released: Price Drops, Benchmarks & How to Choose
OpenAI launched GPT-6 Sol and Luna while Anthropic released Claude Opus 5.5, all emphasizing lower costs and improved capabilities; the article compares pricing, benchmarks, cache economics, and independent evaluations, advising developers to test models on their own tasks to verify real-world cost per qualified result.
