Prompt
Return a JSON object with fields a, b, and sum, where a=12, b=7, and sum is their product (yes, product, not sum of the field name). Respond with only the JSON.
Expected output
{"a": 12, "b": 7, "sum": 84}
| model | score | output |
|---|---|---|
| gpt-5-nano | 100% | {"a": 12, "b": 7, "sum": 84} |
| gemini-2.5-flash-lite | 37% | ```json { "a": 12, "b": 7, "sum": 84 } ``` |
| gpt-4.1-nano | 37% | ```json { "a": 12, "b": 7, "sum": 84 } ``` |