Observability Brothers
Open data · version 2026.10.07

The data behind every estimate

Every price, source and formula the calculator uses, as plain files. Exported 2026-10-07. Proposed licence: CC-BY-4.0 for the data, Apache-2.0 for the code (proposed, pending owner confirmation).

Files

FileContentSizeSchema
vendors.jsonVendors, products, categories, deployment, licence model, ownership, capability levels and line items, each with source ids226 KBschema
line_items.csvOne row per price: vendor, SKU, unit, commitment, price (empty when the vendor does not state it), source ids56 KBschema
sources.csvEvery cited page: id, vendor, kind, URL, title and the date it was read118 KBschema
costings.jsonWhich line items each vendor's estimate uses, with the quantity formulas, allowances, tiers and minimums34 KBschema
profiles.jsonThe illustrative Small, Mid and Large workloads2 KBschema
taxonomy.jsonDefinitions: categories, capabilities, levels, units, source kinds, confidence, workload variables7 KBschema
MANIFEST.jsonDataset version, export date, counts and licence1 KBschema
golden vectorsEvery costing × workload × sampling scenario with its expected result, for checking an engine against

Counts

Rules the data follows

The formula language in costings.json is arithmetic over the workload variables in taxonomy.json: numbers, names, + - * /, parentheses, and max, min and ceil.