If you are asking about historical records, the dynamic is very different. The primary source for the Third Servile War (the slave rebellion led by Spartacus) is the Roman historian Plutarch.

To quickly answer the question:

Yes. For much of the war, they fought side-by-side. However, they eventually split their forces due to strategic differences.

| Context | Does Spartacus Defeat Crixus? | Explanation | |---------|-------------------------------|-------------| | | No | They were allies who split peacefully; Crixus was defeated and killed by the Roman army. | | TV Series ( Spartacus ) | No (but with rivalry) | They never fight to a decisive end; Crixus dies by Roman hands. |