OpenAI GPT-5.6 Sol, Terra, and Luna are now generally available on Amazon Bedrock

GPT-5.6 Sol tops the DeepSWE leaderboard at 73% and sets a new cybersecurity state of the art on 'The Last Ones' cyber range. Sam Altman said Sol costs half the price and is roughly twice as token efficient as the prior model Fable. The family — including Sol, Terra, and Luna — is now generally available on Amazon Bedrock.