Unverified50% confidenceFactExact time
In the chunk carrying usage returned by OpenAI Chat Completions streaming, choices is an empty array; if code directly accesses chunk.choices[0].delta.content without optional chaining, it will throw an exception on that chunk.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/17/2026
First Seen
Valid until: 1/15/2027
Sources
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