SenseTime's New AI Model Thinks Like a Detective
SenseTime Breaks New Ground with Detective-Inspired AI
Shanghai-based AI giant SenseTime made waves this week by open-sourcing its revolutionary SenseNova-MARS model - a system that doesn't just understand information but actively solves problems like a seasoned investigator.
Benchmark Dominance
The numbers speak volumes. In head-to-head comparisons:
- Search Reasoning: Scored 74.27 vs GPT-5.2's 66.08 on MMSearch
- Detail Detection: Achieved 54.43 on HR-MMSearch (high-definition searches)
- Visual Understanding: Set new standards across multiple evaluation platforms
What makes these results remarkable isn't just the performance gap - it's how the system achieves them.
Thinking Like Sherlock Holmes
The real magic lies in MARS' ability to:
- Spot needle-in-haystack details (think logos occupying less than 5% of an image)
- Instantly cross-reference findings with global databases
- Chain together multi-step reasoning processes naturally
"It's like training a digital detective," explains Dr. Wei Zhang from SenseTime's research team. "We didn't just build another recognition tool - we created something that knows when and how to investigate."
Behind the Scenes: Training Tomorrow's AI Sleuths
The development process followed an innovative two-phase approach:
Phase One focused on creating challenging "case files" through automated data synthesis - ensuring the AI learned from complex, real-world scenarios right from the start.
Phase Two introduced reinforcement learning via the BN-GSPO algorithm, smoothing out learning curves much like guiding a rookie investigator through their first cases.
Open Source Commitment
In a move applauded by developers worldwide, SenseTime has released:
The complete MARS model (both 8B and 32B versions) All underlying code The full training dataset Available now on Hugging Face, these resources promise to accelerate innovation in embodied intelligence applications.
The implications? From medical diagnostics to forensic analysis, MARS represents a significant leap toward AI systems that don't just process information - they actively solve mysteries.

