Type: AI company or organization
Concepts: Agents Mentioned alongside: QbitAI Alibaba Alipay CATL Geely Recent briefs: 2026-11-08 2026-10-30 2026-10-27
Recent Updates
- 2026-09-19: Artificial Analysis Benchmarks StepFun’s Step 5 Preview Reasoning Model (breakingnewsofficial) · artificialanalysis.ai — LLM Evals Long Context Artificial Analysis · Step 5 Preview
- 2026-09-21: StepFun Unveils Step 5 Preview: 600B MoE Foundation Model with 27B Active Parameters Optimized for Long-Horizon Agents (breakingnewsofficial) · qbitai.com — Agents Long Context Open Source LLMs Tool Use Artificial Analysis · Anthropic · xAI · Google · OpenAI · Stanford · SpaceX · Zhipu · MiniMax Jay Liang Wenfeng Altman · Step 5 Preview · Opus 5 · Step 3.5 Flash Step-3.7-Flash · GPT · K3 · V4 Flash
- 2026-09-25: Kimi Launches Browser Extension Upgrading WebBridge with Sidebar Chat and Action Recording into Reusable Skills (breakingnewsofficial) · qbitai.com — Agents Tool Use Kimi · Moonshot AI · Manus · Google · Microsoft · Meta · Huawei 鹭羽 Mark Zuckerberg · Step 5 Preview
- 2026-10-08: StepFun Launches Step 5 Preview, a 1M-Context Sparse MoE Model on OpenRouter (breakingnewsofficial) · openrouter.ai — Long Context OpenRouter · Hacker News · Step 5 Preview
- 2026-10-14: StepFun Releases STEPX Neo Agent-Native Smartphone Powered by Step AOS (breakingnewsofficial) · qbitai.com — Agents Tool Use MCP QbitAI Jay
FAQ
What is StepFun?
StepFun appears in the radar stream as a company or organization. This page is a living index of dated mentions and sources — open Recent Updates and Backlinks for context, not a full company dossier.
What does this page track?
Dated radar mentions, source links, related concepts, and builder-relevant context for StepFun, collected automatically by GROUNDING.
When was StepFun last mentioned?
StepFun was most recently mentioned in a radar update dated 2026-10-14.
Category: Other AI Ecosystem