Introducing Gemini 3.8 Live with Live Avatar

GPT-6 Sol and GPT-6 Luna launch today in ChatGPT Work and Codex for Plus, Pro, Business, Enterprise, and Edu, and they are also live in the API as gpt-6-sol and gpt-6-luna. TL;DR: GPT-6 Sol and Luna bring many of Astra’s advances in coding, factuality, computer use and agentic work into faster, much cheaper models. Sol is $2/M input + $10/M output, Luna $0.10/M + $0.50/M, both ~50% below GPT-5.6 promotional pricing. The sleeper feature is improved prompt caching: 90% cheaper cached reads, higher hit rates, and reasoning/tool changes no longer necessarily invalidate prior cached context. Astra remains the top-end model; Sol looks like the production workhorse, Luna the scale/economics tier. Introducing GPT-6 Sol and Luna | OpenAI submitted by /u/etherd0t [link] [comments]