Dev replicates open-source alternative in minutes on DGX Spark

A developer used Codex to build an unoptimized vLLM-based replication in minutes and run it on DGX Spark. He notes that while a fast, free open-source alternative is easy, achieving generality and good calibration is the real challenge, likely requiring clean post-training data.

2026-09-19 ~ 2026-09-19 · 2 related posts

• OSS Jev alternative is easy to build fast; generalization and calibration are the hard parts — remilouf · 2026-09-19
• Dev wires up a vLLM reproduction in minutes with Codex, runs it on DGX Spark — remilouf · 2026-09-19