Tech stack.

Typed product code and interfaces

Application interfaces and components across web and mobile

App Router and server-rendered product surfaces

Frontend build tooling

Responsive UI systems

AI-assisted development across the stack

Auth, database and edge functions

Relational product data

Research, evaluation and automation

Systems and performance-oriented development

Workers, Pages, D1, R2 and edge delivery

Model, embedding and agent workflows

Model provider and applied workflows

Research, analysis and real-time discovery

Open-weight multimodal model for customization

Open-weight agentic and reasoning models

Open-weight language, coding and multimodal models

Open-weight foundation models and ecosystem

Open models for custom and on-device workloads

Open-weight reasoning and agentic models

Model training and tensor workflows

Open-weight models, datasets and Transformers

Efficient LoRA and QLoRA fine-tuning

Managed fine-tuning and post-training API

Experiments, evaluation and model lifecycle

High-throughput inference and model serving

End-to-end product testing

Publishing and distribution

Voice and audio workflows

Concept and visual generation

Occasional design and prototyping