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.