Liǎng wèi zuòjiā de xiězuò fēnggé yìqǔtónggōng, gè yǒu qiānqiū.
The two writers have different styles but equally fine craft — each has its own merits.
Tips
history
From Han Yu's Tang-dynasty 《进学解》: 子云相如,同工异曲 — comparing the Han-dynasty writers Yang Xiong (子云) and Sima Xiangru (相如) as achieving the same literary excellence in different modes.
mistakes
工 here means 'skill/craft/result', not 'work'. Don't confuse with 殊途同归 (different paths lead to the same destination), which is about conclusions; 异曲同工 is about quality of craft or effect.