Moore Threads Adapts MTT S5000 GPU to StepFun’s Step 5 Preview on Day 0

Day-0 adaptation is the part of the domestic-AI story that tends to get overlooked: model releases are visible, but the software work needed to make new architectures run on non-Nvidia silicon usually lags and is where adoption stalls. Here the pairing is between two Chinese players, so the significance is less about raw performance and more about whether the domestic stack can keep pace with its own fast-moving model layer. The open question is whether this cadence holds across future releases, and whether developers treat MUSA as a genuine second target rather than a port of last resort.