Build stackThe AI builder stack is consolidating around model routing and evals
Frameworks, hosted inference, observability, vector retrieval, and eval harnesses are becoming the practical layer between model releases and production apps.
SDK adoption, repository velocity, model-provider support, and repeatable evaluation workflows.Open sourceOpen repositories can reveal momentum before polished launches
Stars alone are noisy. Pagish weighs release cadence, issues, forks, maintainers, examples, and whether practitioners are actually building with a project.
New releases, docs quality, community examples, and production integrations.InferenceDeveloper experience increasingly depends on inference economics
Tool choices are being shaped by latency, batch APIs, caching, quantization, GPU availability, and the ability to swap models without rewriting apps.
Pricing, rate limits, model catalogs, structured outputs, and deployment portability.