Step Deep Research: AI Research Assistant by Step AI 68

StepFun Deep Research (阶跃深入研究) is a research assistant launched by StepFun AI (阶跃AI). It opened for invitation testing in July 2025 and can generate in-depth, professional research reports in about 10 minutes, covering fields such as finance, healthcare, and academia. It ranked first on the xbench-DeepSearch evaluation with a 70% pass rate and achieved a 23% pass rate on the BrowseComp benchmark, demonstrating industry-leading performance.

Features & Advantages

✅ Efficient research: Completes complex research tasks in about 10 minutes, generating in-depth, professional research reports applicable to fields such as finance, consulting, healthcare, law, policy, and academic research.

✅ Information processing and integration: Powerful information processing capabilities that quickly integrate multi-source information to generate high-quality reports.

✅ Autonomous planning and adjustment: Clarifies requirements, plans research programs, and autonomously invokes multiple tools to complete tasks, proactively verifying information when encountering unreliable sources.

✅ High-quality report output: Generated reports are detailed, including charts, data, and source attribution, supporting export in multiple formats.

✅ Technical layer: Developed based on reinforcement learning and multi-agent architecture, with autonomous reasoning and dynamic adjustment capabilities.

How to Use

✅ Visit the official website: Log in to the StepFun AI official website.

✅ Register/Log in to your account: Users who haven't registered need to create an account first.

✅ Enter a question or upload a file:

✅ Enter a question: Input a research question in the dialog box, such as "Analyze market trends in the maternal and infant industry."

✅ Upload files: Upload relevant files (such as PDF, Word, etc.) to conduct research in combination with specific documents.

✅ Get intelligent answers:

• Clarify requirements: The system proactively asks clarifying questions to help define the research scope and goals.

• Plan research program: Plans a research program based on requirements, allowing users to modify or supplement it.

• Autonomously complete research: The system autonomously invokes tools such as search and knowledge bases to complete research.

• Output research report: Generates reports including charts, data, and source attribution, supporting export in multiple formats.

Application Scenarios

Applicable to technical research, industry analysis, market research, and other fields. Suitable for college students, patients with rare diseases, investors, and entrepreneurs, enabling quick retrieval and summarization of cutting-edge papers, cross-industry research, and understanding of specific business processes.

Answers to Key Questions

✅ Reasons for outstanding evaluation performance: Based on reinforcement learning and multi-agent architecture, capable of autonomously completing tool invocation and dynamic adjustment; combined with real-world evaluation standards to ensure research capabilities align with actual needs; accumulated over 2,000 professional information sources and 10 million documents to support high-quality information retrieval and integration.

✅ Report characteristics and credibility assurance: Reports feature rigorous logic, traceable data, and visual presentation (interactive exportable charts); credibility is ensured through full-process in-depth verification, validating data authenticity, evidence relevance, cross-verifying information sources, and dynamically correcting conclusions.

✅ Advanced search features: Focused search prioritizes retrieving professional content or restricts professional information sources; customizable sources allow users to input trusted websites, retrieving information only from specified sources; knowledge base supports uploading local documents, combined with internet data to complete customized research.

Experience Invitation Code Application

✅https://www.stepfun.com/deep-research-invitation