Alia supports CQL batch inserts through the Hayt DSL.
(alia/execute
session
(hayt/batch
(hayt/queries
(hayt/insert ...)
(hayt/insert ...)
(hayt/insert ...))
As per the CQL spec, only DML statements are supported: http://www.datastax.com/documentation/cql/3.0/cql/cql_reference/batch_r.html