GPT-5.6 Officially Released Today: Three Pricing Tiers Outperform Competitors, AI Development Enters a New Era of Cost-Effectiveness
OpenAI releases three models in the GPT-5.6 series: flagship Sol, balanced Terra, and cost-effective Luna. These models cover ChatGPT, Codex, and API within 24 hours. The lowest pricing is $1 per million input tokens and $6 per million output tokens, just one sixteenth of competitors'. Performance comprehensively surpasses Claude, focusing on programming and cybersecurity, with the core selling point being extreme cost-effectiveness.