Reaction
StepFun's Step 5 Preview gets an interactive 3D island demo
A user says the model turned a reference image into a rotatable Three.js island through repeated checks and adjustments.
TLDR
A user says they used StepFun's Step 5 Preview in Claude Code to build an interactive 3D island based on a reference image, with the scene rendered in Three.js. They say the model reached No. 1 on OpenRouter's trending chart on its second day there. OpenRouter lists an October 8, 2026 release date, a 1 million-token context window and prices of $1 per million input tokens and $2.70 per million output tokens.
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