Sep 25, 2026: OpenAI GPT-5.6 and GPT-6 Astra models (General availability)¶

The following OpenAI models are now generally available in Cortex Inference:

• openai-gpt-5.6-luna
• openai-gpt-5.6-sol
• openai-gpt-5.6-terra
• openai-gpt-6-astra

These models support cross-region inference with CORTEX_ENABLED_CROSS_REGION set to AWS_US, AWS_GLOBAL, or ANY_REGION.

For more information, see Model availability.

OpenAI GPT-6 Sol and Luna models (Preview)¶

The openai-gpt-6-sol and openai-gpt-6-luna models are now available in Public Preview in Cortex Inference. Both models support cross-region inference with CORTEX_ENABLED_CROSS_REGION set to AWS_US, AWS_GLOBAL, or ANY_REGION.