{"id": "na-corp-stepfun-step5-open-weights", "key": "neuroai2026corpstepfunstep5openweight", "title": "StepFun open-sources Step 5 Preview — frontier quality at 1/8 the cost of Claude Opus 5?", "author": "NeuroAI", "publisher": "BrainNet (脑机网)", "date": "2026-10-17", "url": "https://neuroai.site/a/na-corp-stepfun-step5-open-weights", "section": "Companies & Stack", "apa": "NeuroAI. (2026, October 17). StepFun open-sources Step 5 Preview — frontier quality at 1/8 the cost of Claude Opus 5?. BrainNet (脑机网). https://neuroai.site/a/na-corp-stepfun-step5-open-weights", "mla": "\"StepFun open-sources Step 5 Preview — frontier quality at 1/8 the cost of Claude Opus 5?.\" NeuroAI, BrainNet (脑机网), 17 Oct. 2026, neuroai.site/a/na-corp-stepfun-step5-open-weights.", "chicago": "\"StepFun open-sources Step 5 Preview — frontier quality at 1/8 the cost of Claude Opus 5?.\" NeuroAI, BrainNet (脑机网), October 17, 2026. https://neuroai.site/a/na-corp-stepfun-step5-open-weights.", "plain": "NeuroAI (脑机网), \"StepFun open-sources Step 5 Preview — frontier quality at 1/8 the cost of Claude Opus 5?,\" 17 October 2026, https://neuroai.site/a/na-corp-stepfun-step5-open-weights", "bibtex": "@misc{neuroai2026corpstepfunstep5openweight,\n  author       = {{NeuroAI}},\n  title        = {{StepFun open-sources Step 5 Preview — frontier quality at 1/8 the cost of Claude Opus 5?}},\n  year         = {2026},\n  month        = {oct},\n  publisher    = {{BrainNet (脑机网)}},\n  howpublished = {\\url{https://neuroai.site/a/na-corp-stepfun-step5-open-weights}},\n  note         = {China AI Decoded. Accessed 2026-10-29.},\n  language     = {english}\n}\n", "ris": "TY  - GEN\nTI  - StepFun open-sources Step 5 Preview — frontier quality at 1/8 the cost of Claude Opus 5?\nAU  - NeuroAI\nPY  - 2026\nDA  - 2026/10/17\nPB  - BrainNet (脑机网)\nUR  - https://neuroai.site/a/na-corp-stepfun-step5-open-weights\nLA  - en\nER  - \n", "exports": {"bibtex": "https://neuroai.site/a/na-corp-stepfun-step5-open-weights.bib", "ris": "https://neuroai.site/a/na-corp-stepfun-step5-open-weights.ris", "markdown": "https://neuroai.site/a/na-corp-stepfun-step5-open-weights.md", "json": "/api/cite/na-corp-stepfun-step5-open-weights"}}