Claude Fable 5.1 & GPT-6 Astra packages are live

go-testing

Testing

Testing in Go with the standard toolchain — table-driven subtests, t.Helper, httptest and fstest, golden files, benchmarks, the race detector,…

Choose your model

Available for 11 model families. The engineering substance is the same in each; the structure, checklist phrasing and constraint ordering are tuned per family.