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llm-echo 0.5a0 发布：新增 thinking 测试选项llm-echo 0.5a0
LLM 命令行工具插件 llm-echo 0.5a0 版本新增 -o thinking 1 选项，用于兼容 LLM 0.32a0 及以上版本的思考模式输出。该插件提供一个名为“echo”的假模型，不执行真实推理，专为自动化测试设计。此更新增强了测试框架与新版 LLM API 的兼容性。
Simon Willison
5th May 2026
Release llm-echo 0.5a0 — Debug plugin for LLM providing an echo model
New -o thinking 1 option to help test against LLM 0.32a0 and higher.
This plugin provides a fake model called "echo" for LLM which doesn't run an LLM at all - it's useful for writing automated tests. You can now do this:
uvx --with llm==0.32a1 --with llm-echo==0.5a0 llm -m echo hi -o thinking 1This will fake a reasoning block to standard error before returning JSON echoing the prompt.
Posted 5th May 2026 at 1:31 am
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