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

AWS Release Notes

GPT-5.6 Sol, Terra, and Luna are now generally available on Amazon Bedrock, offering advanced capabilities for high-performance, security, and reliability. These models cater to various needs, from reasoning and balanced performance to cost-efficient inference.

New Features

• Sol: State-of-the-art results on agentic coding benchmarks.
• Terra: GPT-5.5-level performance at half the cost.
• Luna: Fast, affordable inference at the lowest price point.
• Prompt Caching: Repeated context across agentic workflows billed at a 90% discount.

Availability

Regions:

• Sol: US East (N. Virginia) and US East (Ohio)
• Terra and Luna: US East (N. Virginia), US East (Ohio), and US West (Oregon)

What to do

• Get started with the Amazon Bedrock Console or the Responses API on the bedrock-mantle endpoint.
• Read the Amazon Bedrock documentation and the launch blog post.

Source: AWS release notes

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