// COMPANY
StepFun
SECTOR AIMENTIONS 3LAST SEEN OCTOBER 17, 2026
// OVERVIEW
StepFun's Step 5 Preview is an open-weight mixture-of-experts model (600B total, 27B active parameters) optimized for coding, financial research, and long-running agents with 1M-token context window.
Discussed in
// RECENT MENTIONS
// SIGNALS
3 SIGNALS
01
product·product_hunt_ai·OCTOBER 17, 2026
“Step 5 Preview — 600B open weights, trained for long-running agents (76 votes)”
Source→02
mention·PitchBook News·SEPTEMBER 23, 2026
“This year's largest deals included LLM developer Moonshot AI, Shanghai-based foundational AI startup StepFun and Kling AI, an AI video-generation platform that spun out of social media platform Kuaishou.”
Source→03
mention
AI-extracted from podcast / newsletter / paper summaries. May contain errors.