Unverified50% confidenceReleaseExact time
StepFun released the Step 5 Preview model as open weights.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/17/2026
First Seen
Valid until: 1/15/2027
Sources
Related Entities
Related Claims
UnverifiedTencent's all-scenario AI office workbench WorkBuddy has integrated StepFun's Step 5 Preview model and is offering users an exclusive limited-time free trial for two weeks.72% similarUnverifiedWhen using the Vercel AI SDK to access Step 5 Preview, it can be called via the streamText function with model specified as 'stepfun/step-5-preview'.72% similarUnverifiedStep-5-preview's weaknesses are concentrated in the details of technical implementation, such as projection distortion and disproportionately flat scaling.67% similarUnverifiedStep 5 has multimodal capabilities, being able to identify an orange tabby cat in an image and generate Three.js 3D models and voxel-style models.63% similarUnverifiedBoth the FP8 and BF16 checkpoints of Step 5 Preview are now available on Hugging Face and ModelScope.57% similar
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