Braintrust serves several models as built-in models. To use them, gateway requests can target model
braintrust/gpt-5.6-sol, braintrust/gpt-5.6-terra, braintrust/gpt-5.6-luna, glm-5.2, glm-5.3-flash, kimi-k3, or deepseek-v4-flash-0731. For details, see Available models.