The quantized version is very bad, when I promoted it something, it misspelled some of the prompt when it tried to say it back to me and gets some simple coding

The quantized version is very bad, when I promoted it something, it misspelled some of the prompt when it tried to say it back to me and gets some simple coding questions completely wrong. Like I ask it to specifically program in one language, it gives me another, and when I got it to do it, the code is completely wrong. The thinking out loud part wastes a lot of tokens