88Z AI, 23 April — StepFun and Qianli Technology have formed a comprehensive strategic partnership to co-develop a native intelligent driving foundation model. StepFun's open-source flagship model, Step 3.5 Flash, has achieved leading results in various benchmarks, backed by its deep layout in Agent foundation models and omni-modal technologies.
At a glance
- StepFun and Qianli Technology co-build a native intelligent driving foundation model to break physical AI boundaries
- StepFun's open-source flagship model Step 3.5 Flash leads in benchmarks such as speech reasoning

The update
StepFun and Qianli Technology have officially announced a comprehensive strategic partnership. The two parties will jointly build a "native intelligent driving foundation model," aiming to enable artificial intelligence to directly understand the complex physical world through bottom-up training, thereby breaking through the capability boundaries of physical AI. This collaboration marks a deep synergy between the two in the field of intelligent driving. Previously, StepFun had made deep layouts in Agent foundation models and omni-modal technologies. Its launched open-source flagship foundation model, Step 3.5 Flash, has achieved leading positions in multiple authoritative benchmarks, including speech reasoning and autonomous driving evaluations, laying a solid technical foundation for this cooperation.
Sources & editorial note
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- 阶跃星辰Source published
Source dates above refer to the original announcements; the date under the headline is this article’s publication on 88Z AI.