With setup you mean HW or the SW stack?

We used to run GLM-5 class models but have now changed to smaller ones as we're able to serve more concurrent users with our limited hardware (DeepSeek-v4-Flash-0731, Qwen-3.8-27b). We run on the order of hundreds of parallel requests right now, Qwen with data parallelism and DSv4F with P/D disaggregation, but will probably continue to tweak this.

Qwen 3.8 27b in my experience is more than capable of churning out features overnight with the right tools (don't rely on its world knowledge, give it tools like playwright and github MCP for upstream context and search, and give it goals to work on). Bonus with another model like DSv4 as an adversarial reviewer.