GPT-6 cuts frontier model prices in half
OpenAI’s GPT-6 Sol and Luna cut the prices of their GPT-5.6 counterparts by half or more, giving developers cheaper access to models for building applications. GPT-6 Luna costs $0.10 per million input tokens and $0.50 per million output tokens, while Sol costs $2 and $10. Anthropic also cut Opus 5.5 to $4/$20 per million tokens, with cache reads down 60%.