What do you want to build?
Each use case has its own page with every JEV case we have for it.
Browser & Computer Use
Choosing the next action, selecting DOM targets, filtering possible actions.
Model Routing
Deciding which model, tool or provider handles a request.
Agents
Multi-step planning and tool use.
Developer Tools
Code generation, review and repo automation.
Context Management
Managing long state, memory and file context.
Semantic Search
Extraction, scoring and retrieval over text.
Documents
Classification, review and extraction over documents.
Classification & Scoring
Assigning labels or numeric scores to items.
Guardrails & Moderation
Blocking, filtering or flagging undesirable output.
Data Analysis
Querying spreadsheets and datasets in natural language.
Games
NPC behaviour, memory and simulation.
Research
Literature triage and structured extraction.
Finance
Screening, scoring and backtesting.
Creative
Generated stories, illustrations and media.
Coverage & Commentary
Explainers, pricing notes and commentary about JEV itself.