---
title: llm 0.34
link: https://simonwillison.net/2026/Sep/2/llm/
source: simonwillison-net
published: 2026-09-02T19:23:52Z
updated: 2026-09-02T19:23:52Z
first_seen: 2026-09-08T10:17:10.166315Z
labels:
- llm
summary: 'Release: llm 0.34 One new feature: llm logs --usage Markdown output now includes the response duration in milliseconds and as a human-readable duration. llm logs --short includes a new duration_ms field. #1653 Plus several contributed bug fixes, and a significant performance improvement to llm logs thanks to waveplate on GitHub, see also llm-openrouter 0.7.1. Tags: llm'
content: extracted
html: 2026-09-02-llm-0-34.html
---

One new feature:

> - `llm logs --usage` Markdown output now includes the response duration in milliseconds and as a human-readable duration. `llm logs --short` includes a new `duration_ms` field. [#1653](https://github.com/simonw/llm/issues/1653)

Plus several contributed bug fixes, and a significant performance improvement to `llm logs` thanks to [waveplate](https://github.com/waveplate) on GitHub, see also [llm-openrouter 0.7.1](https://simonwillison.net/2026/Sep/2/llm-openrouter/).