Unverified50% confidenceFactExact time
Both OpenAI and Anthropic stream tokens via SSE during decoding, so the streaming return phase and the decode phase overlap in time.
1
Sources
50%
Confidence
Long-term
Relevance
10/19/2026
First Seen
Sources
Related Entities
Related Claims
VerifiedMainstream APIs from OpenAI, Anthropic, and others all use the SSE protocol to return token streams, with the frontend consuming data via the EventSource API or the fetch ReadableStream interface.71% similarVerifiedOpenAI's streaming responses use the SSE (Server-Sent Events) protocol and send a data: [DONE] signal when the stream ends.68% similarUnverifiedAI 模型的流式回复通过 Server-Sent Events（SSE）或 WebSocket 实现 token 级推送，OpenAI、Anthropic 等主流 API 均采用这一方式68% similarUnverifiedMainstream AI products such as OpenAI's ChatGPT and Anthropic's Claude universally adopt SSE for streaming output.67% similarVerifiedOpenAI uses the BPE (Byte Pair Encoding) algorithm for token encoding.65% similar
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