AI Briefing
KOSign in

StepFun releases Step-5-Preview, a 600B/27B model with 1M context for agentic work

·2026.10.15 15:04

Key point

The new flagship model features a 600B/27B architecture and supports a 1M token context window.

Details

StepFun has released Step-5-Preview, its new flagship model designed specifically for agentic work. The model is built on a 600B/27B architecture and supports a 1M token context window.

The release targets frontier-level performance in software engineering and professional knowledge work, with particular strength noted in the finance sector.

llmmodel-releaseagentic-workfinance-aistepfunstep-5-preview
Read originalShare on Threads

This summary was generated automatically by AI. Check the original for the author's claims and context. Copyright belongs to the original author.

Our guide explains how the AI works. Report summary errors, attribution issues, or removal requests via Contact.

Related

Product HuntMeta launches Muse Wonder model series for personal and professional agentsHuggingFace BlogAi2 Open-Sources AstaBrief 8B for Fast, Cost-Effective Research Report GenerationVercel BlogStep 5 Preview now available on AI GatewayAnthropic NewsAnthropic releases Claude Haiku 5.5 with 75% cost reduction and new effort settingsRedditIQuestLab Releases IQuest-Q1, a 320B Parameter MoE Model for Agentic CodingHacker NewsTypeSafe AI Releases Jev 1.14.0 with Experimental Multimodal and Long-Context Features