Yhn Culture Music first seen 2 d ago, last 22 min ago, peak #2

StepFun's Step 5 Preview appears on OpenRouter with 1M context

Original: Step 5 Preview, a 1M-context MoE from StepFun, shows up on OpenRouter

Step 5 Preview, a mixture-of-experts model from Chinese AI company StepFun with a one-million-token context window, has been listed on the OpenRouter model marketplace. The listing suggests a public release is imminent or already underway. StepFun is one of China's leading foundation model startups, and a new flagship model with long-context capability would be a notable addition to the competitive frontier-model field.

Why now: A new frontier-class model from a major Chinese AI lab appearing on a widely used API aggregator signals a release that model watchers and developers are eager to try.

StepFun Step 5 Preview OpenRouter

Open on hn →

Rank over time, top of the chart is #1. 121 snapshots from 2 d ago to 22 min ago.

Evidence

Step 5 Preview, a 1M-context MoE from StepFun, shows up on OpenRouter · AnneWodell · 146

API: https://socialmediatrends-api.osmike.com/v1/trends/1506221