Breaking News on Large Language Models! OpenAI slashes prices of GPT-5.6 Luna by 80% and GPT-5.6 Terra by 20%. #openai# #chatgpt# #LLM# 大模型重磅！OpenAI将GPT-5.6Luna的价格下调80%，GPT-5.6Terra的价格下调20%。#openai##chatgpt##大模型#