--- format: "aidr-story-markdown/v1" id: "5bdaabae7a29e6eb80aa61fa0b44d7ec4462f6170bc607336c8047b94c252f14" canonical_url: "https://aidr.today/5bdaabae?lang=en" title: "Step Fun Step 5 Preview Posts 44 on Intelligence Index With 1 Million Token Window" lang: "en" requested_lang: "en" available_langs: ["en","vi"] translation_fallback: null fallback_fields: [] published_at: "2026-09-19T08:47:33.000Z" category: "Models" topics: ["step-fun","step-5","intelligence-index","long-context","multimodal","inference","llm","stepfun"] source_urls: ["https://marketbrief.now/ai/step-fun-step-5-preview-posts-44-on-intelligence-index-with-1-million-to-65698bc2","https://huggingnews.com/ai/step-fun-step-5-preview-posts-44-on-intelligence-index-with-1-million-to-65698bc2","https://x.com/StepFun_ai/status/2101510462685003786","https://x.com/choblin29/status/2101543054335427038","https://x.com/teortaxesTex/status/2101518524644573504","https://huggingnews.com/ai/stepfun-step-5-preview-matches-kimi-k3-at-65percent-lower-cost-and-opens-28d09351","https://marketbrief.now/ai/stepfun-step-5-preview-matches-kimi-k3-at-65percent-lower-cost-and-opens-28d09351"] summary: "A listing on the Artificial Analysis website revealed that Step Fun" --- # Step Fun Step 5 Preview Posts 44 on Intelligence Index With 1 Million Token Window > [Open the canonical story]() **Published:** 2026-09-19T08:47:33.000Z **Category:** Models **Topics:** step\-fun, step\-5, intelligence\-index, long\-context, multimodal, inference, llm, stepfun ## Summary A listing on the Artificial Analysis website revealed that Step Fun ## Sources - [Story source]() - [Story source]() - [Story source]() - [Supporting source]() - [Supporting source]() - [Story source]() - [Story source]()