Unverified50% confidenceFactExact time
OpenAI's Structured Outputs require additionalProperties: false in the JSON Schema and that all fields be listed in required, with optional fields expressed as nullable.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/16/2026
First Seen
Valid until: 1/14/2027
Sources
Related Entities
Related Claims
Unverifiedn8n's OpenAI node must have Output Format set to JSON Object, otherwise the return value will not automatically expand into a list structure.78% similarUnverifiedOpenAI's Structured Outputs mode enforces JSON Schema-compliant output at the token sampling level through constrained decoding technology, completely eliminating formatting errors, a hard constraint that ordinary Function Calling does not possess.78% similarUnverifiedThis patch ensures that the additionalProperties: false field in JSON Schema is correctly preserved when passing tool definitions to xAI models.77% similarUnverifiedOpenAI requires a specific response_format JSON schema, whereas alternative backends may require a different system prompt or specific tool call definitions.75% similarVerifiedSetting additionalProperties: false in a JSON Schema rejects any extra fields not explicitly declared in the schema, eliminating the possibility of the model inventing additional fields.75% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/1047109API
curl https://kongchang.com/api/v1/knowledge/claims/1047109MCP
get_claim(id=1047109)