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langchain/libs
ccurme dcb5aba999 openai[patch]: reduce tested constraints on strict schema adherence for Responses API (#31290)
Scheduled testing started failing today because the Responses API
stopped raising `BadRequestError` for a schema that was previously
invalid when `strict=True`.

Although docs still say that [some type-specific keywords are not yet
supported](https://platform.openai.com/docs/guides/structured-outputs#some-type-specific-keywords-are-not-yet-supported)
(including `minimum` and `maximum` for numbers), the below appears to
run and correctly respect the constraints:
```python
import json
import openai

maximums = list(range(1, 11))
arg_values = []
for maximum in maximums:

    tool = {
        "type": "function",
        "name": "magic_function",
        "description": "Applies a magic function to an input.",
        "parameters": {
            "properties": {
                "input": {"maximum": maximum, "minimum": 0, "type": "integer"}
            },
            "required": ["input"],
            "type": "object",
            "additionalProperties": False
        },
        "strict": True
    }
    
    client = openai.OpenAI()
    
    response = client.responses.create(
        model="gpt-4.1",
        input=[{"role": "user", "content": "What is the value of magic_function(3)? Use the tool."}],
        tools=[tool],
    )
    function_call = next(item for item in response.output if item.type == "function_call")
    args = json.loads(function_call.arguments)
    arg_values.append(args["input"])


print(maximums)
print(arg_values)

# [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
# [1, 2, 3, 3, 3, 3, 3, 3, 3, 3]
```
Until yesterday this raised BadRequestError.

The same is not true of Chat Completions, which appears to still raise
BadRequestError
```python
tool = {
    "type": "function",
    "function": {
        "name": "magic_function",
        "description": "Applies a magic function to an input.",
        "parameters": {
            "properties": {
                "input": {"maximum": 5, "minimum": 0, "type": "integer"}
            },
            "required": ["input"],
            "type": "object",
            "additionalProperties": False
        },
        "strict": True
    }
}

response = client.chat.completions.create(
    model="gpt-4.1",
    messages=[{"role": "user", "content": "What is the value of magic_function(3)? Use the tool."}],
    tools=[tool],
)
response  # raises BadRequestError
```

Here we update tests accordingly.
2025-05-20 14:50:31 +00:00
..