Partially Verified65% confidenceFactExact time
Step-5-Preview supports a context window of up to 1M tokens.
3
Sources
65%
Confidence
Long-term
Relevance
10/15/2026
First Seen
Sources
StepFun Step-5-Preview Released: 600B Flagship Model Enters the Agent Race
redditr/LocalLLaMA10/15/2026
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Related Claims
UnverifiedStepFun's Step 5 Preview has launched on the WorkBuddy platform and is free for a limited time, with a parameter scale of 600 billion, 27 billion activated, and support for a 1 million context.65% similarVerifiedGoogle Gemini 1.5 Pro supports a context window of up to 1 million tokens and has native multimodal capabilities.61% similar
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