Productivity out of any framework will be driven by your familiarity with it. They all have their warts and rough edges that will take hours to fix and workarou

Productivity out of any framework will be driven by your familiarity with it. They all have their warts and rough edges that will take hours to fix and workaround. Learning a new framework has value in future projects. Definitely not for the product you plan to ship next. I can't see any strong reasons performance or otherwise to abandon one modern framework (PHP, Node, Python, Ruby, Java, C#) for any other. Difference in cost is again minimal. The best option is the one you know best already. Learning a new one always helps you grow.