Expired50% confidenceReleaseExact time
A preview version of StepFun's Step 5 appeared on the model platform OpenRouter during the same week.
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
10/11/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 10/25/2026(expired)
Sources
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