🤖 AI Dev Tools
The <final> Tag Bug Silently Gobbling AI Responses
Your AI agent spits out perfect responses internally. Then SSE chews half away. Meet the <final> tag bug—no error, pure silence.
theAIcatchup
Apr 09, 2026
3 min read
⚡ Key Takeaways
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SSE regex stripping <final> tags devours adjacent AI response lines silently.
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In-band signaling in streams is a proven failure; use metadata channels.
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Test chunk boundaries rigorously—100% repro makes fixes swift, but risks erode trust.
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The 60-Second TL;DR
- SSE regex stripping <final> tags devours adjacent AI response lines silently.
- In-band signaling in streams is a proven failure; use metadata channels.
- Test chunk boundaries rigorously—100% repro makes fixes swift, but risks erode trust.
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theAIcatchup
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