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

This article announces the general availability of OpenAI's GPT-5.6 Sol, Terra, and Luna models on Amazon Bedrock's next-generation inference engine.

• GPT-5.6 Sol is the flagship reasoning model with state-of-the-art performance on coding, cybersecurity, and multi-step workflows
• GPT-5.6 Terra delivers balanced performance for everyday production tasks at lower cost than GPT-5.5
• GPT-5.6 Luna is the fast, affordable model for high-volume inference and real-time applications
• Amazon Bedrock's inference engine pools capacity to handle bursty agent traffic while maintaining data residency
• Prompt caching with 90% discount on cached input reduces costs for multi-step agentic workloads
• Hardware-enforced security includes zero-operator access and IAM policy enforcement
• Sol available in US East regions; Terra and Luna available in US East and US West (Oregon)

GPT-5.6 models on Amazon Bedrock enable organizations to build scalable AI agents with frontier intelligence, security, and cost efficiency.