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

The following OpenAI models are now generally available in the Cortex REST API:

  • 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.

Note

Availability of openai-gpt-5.6-luna, openai-gpt-5.6-sol, openai-gpt-5.6-terra, and later OpenAI models can vary by account because of model provider requirements. If a request fails with the error Due to model provider requirements, this account is not eligible for this model at this time., contact Snowflake Support.

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.