Qwen 3.5 LLM Gets a Prompt Reprocessing Fix for Faster Inference

infrastructure #llm 📝 Blog|Analyzed: Mar 15, 2026 14:02•

Published: Mar 13, 2026 21:32

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1 min read

Analysis

This is great news for users of Qwen 3.5 models! A fix has been identified to prevent unnecessary prompt reprocessing in instruct mode, leading to potentially significant performance improvements. This optimization will likely enhance the user experience by reducing latency and speeding up response times.

Key Takeaways

•Fix targets prompt reprocessing issues in Qwen 3.5 LLMs.
•The fix involves the chat template managing the 'think' block.
•This could result in faster response times for users.

Reference / Citation

View Original

"The fix is that the template now checks whether the think block actually has content. If it does, it deletes it from history like before. If it's empty, it keeps it."

r/LocalLLaMAMar 13, 2026 21:32

* Cited for critical analysis under Article 32.

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