Tools•checker
Google Gemini for Structured Output / JSON Mode
Validate JSON schemas against model outputs to catch compatibility issues before deployment
Try the tool
client runnerValidation Results
Run the tool to see output.
Examples
Valid Gemini Output
{
"schema": "{\"type\": \"object\", \"properties\": {\"title\": {\"type\": \"string\"}}, \"required\": [\"title\"]}",
"model_output": "{\"title\": \"Test Article\"}",
"provider": "Gemini"
}Expected output
{"valid": true, "errors": []}Invalid Qwen Output
{
"schema": "{\"type\": \"object\", \"properties\": {\"content\": {\"type\": \"string\"}}, \"required\": [\"content\"]}",
"model_output": "{\"meta\": {\"status\": \"ok\"}, \"content\": \"Valid text\"}",
"provider": "Qwen"
}Expected output
{"valid": false, "errors": ["Envelope structure mismatch"]}How it works
Analyzes provided JSON schema and model output against provider-specific validation rules. Checks for type consistency, required fields, and envelope structure compliance. Returns detailed validation results including error locations.