Claude Fable
1 article tagged with Claude Fable
July 10, 2026
model releaseOpenAI
OpenAI releases GPT-5.6 in three versions as COO Fidji Simo departs after 11 months
OpenAI released GPT-5.6 Thursday in three versions—Luna, Terra, and Sol—with Sol claiming benchmark wins over Anthropic's Claude Fable on coding tasks. The launch coincides with COO Fidji Simo's departure less than a year after joining, citing worsening health issues.