Does OpenRouter have Structured Output (JSON)?

We have not verified whether OpenRouter supports Structured Output (JSON). Guarantees that the AI response will strictly adhere to a specific JSON schema, essential for reliable software engineering. OpenRouter is a unified API across 80+ providers and 500+ models (text, image, video, audio). JSON-schema guarantees depend on the routed model; not asserted here.

Tool

🔀 OpenRouter by OpenRouter

Feature

Structured Output (JSON) · Developer

Status

Unknown

Notes

JSON-schema guarantees depend on the routed model; not asserted here.

Pricing

Plan availability not confirmed.

Last verified

2026-09-02