# clm_ACA5B4111E83

subject: OpenRouter (/record/openrouter.md)  
predicate: feature_added  
value: Structured outputs  
valid_from: 2024-12-12  
valid_to: null  
published: 2024-12-12  
recorded: 2026-10-30  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-10-31  
checked: 2026-10-31 · its source page states the value and the date  

> 🔧 Structured Outputs Now supporting structured outputs for OpenAI 4o and Fireworks models (full list) : Enforce JSON Schema validation Ensure type-safe, consistent responses

What https://openrouter.ai/blog/announcements/structured-outputs-and-free-gemini-flash-20/ says, word for word.

## Sources

- https://openrouter.ai/blog/announcements/structured-outputs-and-free-gemini-flash-20/ (primary, OpenRouter, published 2024-12-12)

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AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.