OpenAI and Anthropic in price war as Chinese AI rivals gain ground
OpenAI cut GPT-5.6 Luna to $0.20 per million input tokens and $1.20 per million output tokens, while Anthropic launched Opus 5 at $5 per million input tokens and $25 per million output tokens and called off a planned September price increase for Sonnet 5.
Aug 14, 2026 ·Ars Technica














