Bugs

We're seeing a memory leak in our longrunning service that uses streaming responses. After ~1000 streaming requests, memory usage grows from 200MB to

When using response_format: { type: "json_object" } with deeply nested schemas, GPT4o sometimes returns invalid JSON. This doesn't happen with Structu

When using Structured Outputs with a recursive JSON schema e.g., a tree structure where nodes can contain child nodes, the API enters what seems like

After uploading PDFs to a vector store, the file search tool returns empty results even for queries that should clearly match the document content. S

Starting around 9am EST today, we're seeing intermittent 500 errors on gpt4o completions. About 20% of requests fail. Error response: json { "error

I'm using tiktoken to estimate costs before making API calls, but my count consistently differs from what the API reports. python import tiktoken en