Structured output and JSON Schema support by provider

The table has two kinds of row, and the Evidence column says which each one is. They are never mixed.

• Provider's page: a rule the provider documents for the JSON Schema its structured outputs accept. The rule covers a response schema and a strict tool (a tool with strict: true), or a tool without strict. Each row quotes the page and gives the day it was read. A provider whose page could not be read has one row, marked unknown. Its rules are not filled in from memory.
• Measured through Salyro: what Salyro's engine recorded happening to a schema on the way through its pinned proxy. These rows describe requests sent through Salyro, never the provider called directly. They come from the engine's own tables, regenerated with the rest of the catalogue.

The statuses are words, not colours. Rejected means the request is refused, usually with a 400: by the provider, as its page says, or by Salyro on a measured row. Unsupported means the page lists the feature as not supported without saying the request is refused. Not enforced or not guaranteed means the request is accepted and the schema, or part of it, is not held to. Removed means Salyro's proxy drops the keyword before the request is sent. Documented means the page gives a value, such as a limit or a list of keywords, rather than a verdict; the value is in its own column. Unknown means nobody could read the page. A keyword no page mentions has no row: whether it is accepted is unknown.

The limits count across every strict schema in one request, not per schema. To check a schema of your own against each provider and see what would change, use the JSON Schema compatibility checker. It runs in your browser and reads the same rules as this table.

Search by rule or keyword, filter by provider, evidence, scope or status, and download the rows you see as CSV.