Step 5 Preview Sustains 24-Hour Agent Runs, From GPU Kernels to Post-Training
StepFun_ai · x · 2026-09-20
StepFun says Step 5 Preview sustains long-horizon execution across software environments, web apps, 3D workflows, and programmable hardware, tracking prior results and iterating on execution feedback. Demoed runs last up to 24 hours, including GPU kernel optimization and automated post-training.
Related event: StepFun Unveils Step 5 Preview, 600B MoE Flagship Opening Weights on Oct 15(5 posts)→
More from coding & agent
- Eric Schmidt: UIs will largely disappear as agents make 90% of web traffic non-human — rohanpaul_ai · 2026-09-20
- Building an Interactive Peach Blossom Spring Web Experience with GPT 6 Astra — dotey · 2026-09-20
- Open-source demo routes email fraud detection via Jev + Kimi K3: 96/100 accurate for $0.07 — nutlope · 2026-09-20
- Gemini CLI fix: explicit gemini-3-pro-preview IDs no longer silently rewritten to 3.1 — FanouZeng-TT · 2026-09-20
- No model is good enough to supervise itself, and multi-model harnesses don't fix it — alexcovo_eth · 2026-09-20
- 10 AWS Agentic AI Projects That Take You From Beginner to Production — _jaydeepkarale · 2026-09-20