Yhn Culture Music first seen 2 d ago, last 2 min ago, peak #3

StepFun's Step 5 Preview model 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 offering a 1 million-token context window, is now listed on the model aggregator OpenRouter. The listing suggests the model is being made available to international developers, expanding access to Chinese frontier AI models. Developers are discussing the model's capabilities and what its availability means for the competitive AI API market.

Why now: The appearance of a new large-context model from a Chinese AI lab on a major API aggregator is notable news for developers tracking the fast-moving AI model race.

StepFun OpenRouter Step 5 Preview

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Rank over time, top of the chart is #1. 17 snapshots from 23 h ago to 2 min ago.

Evidence

Step 5 Preview, a 1M-context MoE from StepFun, shows up on OpenRouter · AnneWodell · 144

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