llm-echo 0.5
Simon Willison is working on a new LLM release and has revisited the llm-echo debug plugin. The plugin is being tested and provides a model that repeats back prompts.
Original reporting · simonwillison.net
Read “llm-echo 0.5” at Simon Willison →How this was written. Content Delta wrote this article with a language model from Simon Willison’s reporting (model: @cf/meta/llama-3.3-70b-instruct-fp8-fast); it describes that reporting rather than adding to it. The original, linked above, is the full story.
Key points from Simon Willison’s report
- Simon Willison is working on a new LLM release.
- The llm-echo debug plugin provides a model that repeats back prompts.
- The plugin is being tested as part of the new release effort.
Simon Willison reported a new release, llm-echo 0.5, according to his latest update. He is working towards a new LLM release.
The llm-echo debug plugin is part of this effort, and it provides a unique model. This model does not involve an LLM at all, but rather repeats back the prompts that have been fed to it.
The testing of pull requests caused Simon Willison to revisit the llm-echo debug plugin. This revisit may be an important step in the development of the new LLM release.
Questions and answers
What is the llm-echo debug plugin?
The llm-echo debug plugin provides a model that repeats back the prompts that have been fed to it.
Why is Simon Willison revisiting the llm-echo debug plugin?
The testing of pull requests caused him to revisit the plugin.

