Models · TheAIGRID ·
OpenAI Just Introduced GPT 5.6 (Beats Claude Fable 5 And Mythos)
The post claims OpenAI introduced GPT 5.6 and mentions variants called Sol, Terra, and Luna, including a Sol Ultra reasoning mode. It also says the model outperforms Claude Mythos and Fable 5 on benchmarks such as Terminal Bench and Exploit Bench.