Changes to Upsert Model Spec

added the new optional request property cache_creation_input_cost_per_token

added the optional property cache_creation_input_cost_per_token to the response with the 200 status

added the new optional request property cached_input_cost_per_token

added the optional property cached_input_cost_per_token to the response with the 200 status

removed subschema #1 subschema #2 from the input_cost_per_token request property anyOf list

removed subschema #1 subschema #2 from the output_cost_per_token request property anyOf list

response property context_window list-of-types was widened by adding types null to media type application/json of response 200

added the new optional request property kind

added subschema #1 subschema #2 to the input_cost_per_token request property anyOf list

added subschema #1 subschema #2 to the output_cost_per_token request property anyOf list

the request property context_window became optional

the request property input_cost_per_token became optional

the request property output_cost_per_token became optional

request property context_window list-of-types was widened by adding types null to media type application/json

added the optional property kind to the response with the 200 status

endpoint added