Topsort T-brain

Meet T-Brain. The Large Commerce Model
Built for Commerce AI.

T-Brain is Topsort's commerce-specific foundation model, built from intelligence developed across billions of commerce decisions. Its first model, Theo, brings shared intelligence to search, retrieval, ranking, recommendations, advertising, and agentic commerce.

One Large Commerce Model.
Intelligence Across Commerce.

T-Brain brings commerce-specific intelligence to the decisions behind modern commerce, from understanding shopper intent and product relationships to predicting outcomes and improving search, recommendations, and advertising.

01Commerce embeddings

Commerce-specific representations of products, queries, and shoppers that help the model understand relationships and intent.

02Relevance models

Commerce-specific AI models that understand shopper intent and product relevance beyond keyword matching.

03Low-latency inference

Commerce intelligence delivered in under 30ms, enabling real-time predictions and decisions across commerce experiences.

04Feedback ingestion

Learns from commerce signals and outcomes to continuously improve relevance, predictions, and decision-making.

05Cross-surface reuse

One commerce intelligence foundation across search, retrieval, ranking, recommendations, advertising, and agentic commerce.

06Developer access

Bring commerce-specific intelligence into existing systems and experiences through APIs.

Commerce embeddings
Product catalog
Synced
Oat milk 1LIn stock
Granola 500gIn stock
Cold brew 6-packLow stock

One Commerce Foundation Model. Across Every Commerce Experience.

Instead of separate AI models making decisions independently, T-Brain provides a shared intelligence foundation for product discovery, recommendations, advertising, and agentic commerce.

01

Understand intent

Learns from products, queries, shopper behavior and transactions.

02

Predict outcomes

Uses real commerce signals to predict relevance and likely performance.

03

Decide in real time

Ranks and selects the best outcome with low latency inference.

04

Learn continuously

Every click, purchase and outcome improves the next decision.

Commerce AI That Learns From Every Decision.

Built on intelligence developed across billions of commerce decisions, T-Brain brings commerce-specific understanding to the systems that power modern commerce, helping businesses make smarter decisions across the shopper journey.

Embeddings
Shared representations of products, queries and shoppers
Relevance
Ranking grounded in intent instead of keyword matching
Inference
Predictions returned inside the auction in real time
Feedback
Outcomes fed back into the next decision automatically
Reuse
One understanding across search, ads and recommendations

What to ask any retail media platform.

Whether you are comparing vendors or weighing an internal build, these are the questions that decide the outcome.

01Does search understand the same shopper your ads do?
02How many separate models describe the same catalog today?
03Where does relevance break down between surfaces?
04How quickly does a new signal reach production ranking?
05Who owns the models behind your commerce decisions?
06Can your team call those models from their own surfaces?

From raw commerce data to decisions in real time.

Every step feeds the next, so relevance keeps improving as the network runs.

Step 01

Understand intent

Learns from products, queries, shopper behavior and transactions.

Step 02

Predict outcomes

Uses real commerce signals to predict relevance and likely performance.

Step 03

Decide in real time

Ranks and selects the best outcome with low latency inference.

Step 04

Learn continuously

Every click, purchase and outcome improves the next decision.

A unified ecosystem
built for scaling monetization.

Take your ad network beyond sponsored listings. Connect offsite traffic, store signals, catalog data and search under one platform.

/Next step

Recommended talk to a retail media expert.

Bring your surfaces, current stack and timeline. We will map the fastest safe path to production.