According to @gdb, OpenAI is previewing Ultrafast mode for GPT-5.6 Sol at up to 14x speed via API, expanding access as capacity grows, per @OpenAI.

According to @godofprompt, sol-advisor routes Codex GPT-5.6 Sol, Luna, and Terra for orchestration, routine, and complex tasks, adding review for quality.

According to @gdb, OpenAI unifies Instant and deep reasoning with GPT-5.6 Sol and gives free users unlimited Luna text chats.

According to @gdb, OpenAI cut GPT-5.6 Luna prices by 80% and Terra by 20%, adding a faster Sol option, improving cost efficiency for API and ChatGPT Work.

According to @sama, GPT-5.6 Luna drops 80% to $0.20/$1.20 per 1M tokens; Terra falls 20% to $2/$12; Sol adds Fast mode at 2.5x speed for 2x price.

According to OpenAI... Prices drop 80% for Luna and 20% for Terra, with a faster Sol option and cheaper usage in Codex and ChatGPT Work.

According to @sama, physicians found fewer flaws in GPT-5.6 responses than doctor-written ones, with Sol leading performance at lower cost, per @thekaransinghal.

According to emollick, Codex with 5.6 Sol reviewed a full book PDF in 30 minutes and delivered dozens of accurate editorial notes.

According to @gdb, OpenAI’s GPT5.6 debuts with Sol, Terra, and Luna, boosting coding, security, and science with fewer tokens and lower costs.

According to @gdb, OpenAI will launch GPT 5.6 Sol with Terra and Luna on Thursday, expanding global preview access now, according to OpenAI.

According to OpenAI... GPT-5.6 Sol with Terra and Luna launches Thursday, with global preview access expanding now, signaling broader rollout for developers.

According to @gdb, OpenAI unveils GPT-5.6 Sol, plus Terra and Luna, targeting frontier capability, balanced efficiency, and fast affordable workloads.