Modular building blocks that turn live behavior, catalog intelligence, and real-time context into adaptive recommendations, search results, and ranking decisions across the user journey.
All primitives are built on the same perception and ranking infrastructure. Customers can use Albatross to generate recommendations, personalize search, or rerank candidate lists from existing systems.
| Primitive | What it does | Primary benefit | Use cases | Input |
|---|---|---|---|---|
Discovery Feed | Adaptive product discovery for every session | Drives discovery, engagement and conversion | Homepage, category pages, specific recommenders, marketing campaigns | user_id, use_case_id, k |
Similar Items | High-coverage alternatives across large, changing catalogs. | Improves product exploration and substitution | Product detail pages, item alternatives, second-hand marketplace substitution | item_id, k |
Playlist | Sequential recommendations from a set of selected items. | Builds contextual discovery experiences for baskets, collections,and saved lists | Basket building, checkout page, saved items, style boards | list of item_ids, k |
Dynamic Ranking | Reranks a candidate list in real time to meet a business objective. | Optimizes feeds and search results for company-defined metrics | Purchase optimized recommenders, search results reranking. | user_id, list of item_ids, objective |
Contextual Search | Search that is aware of the user session and context, not only the query | Turns search into a personalized, adaptive experience | Personalized search reranking, query refinement, multimodal search | query, user_id, k |
A walkthrough of Discovery Feed, Search, and Playlist running live on a marketplace.
Track every primitive, every use case, every model — with live request volume, latency, and SLA, monitored against your targets.
| Primitive | Use case | Model | Requests | Latency p95 | SLA |
|---|---|---|---|---|---|
| Discovery feed3 use cases | HomepagePersonalized landing feed | feed-v3.2 | 2'452 M ↑ +8% MoM | 84ms ↓ -3% MoM | 100.00% target 99.90% |
| Dynamic ranking1 use case | Marketingfeed optimized for purchases | rerank-v1.1 | 240M ↑ +120% MoM | 78ms ↓ -12% MoM | 100.00% target 99.50% |
| Similar items1 use case | Detail pageItem alternatives on PDP | similar-v2.4 | 950M ↑ +15% MoM | 68ms ↑ +2% MoM | 99.98% target 99.95% |
| Playlist1 use case | Style boardBuilt from liked items | playlist-v1.8 | 130M ↑ +4% MoM | 78ms ↑ +5% MoM | 99.99% target 99.85% |
| Contextual search1 use case | Search barPersonalized search reranking | search-v1.0 | 510M ↑ +22% MoM | 71ms ↓ -1% MoM | 100.00% target 99.90% |