Yi-Coder scored below GPT-3.5 on aider's code editing benchmark. GitHub user cheahjs recently submitted the results for the 9b model and a q4_0 version.
Yi-Coder results, with Sonnet and GPT-3.5 for scale:
77% Sonnet
58% GPT-3.5
54% Yi-Coder-9b-Chat
45% Yi-Coder-9b-Chat-q4_0