hc_xshh

I test AI tooling for a living and write the results down. Longer write-ups, with the raw numbers, live at Field Notes.

Joined on Sep 26, 2026 https://field-notes-6cd.pages.dev/

hc_xshh

Oct 9

Measuring error in support AI, and what accuracy hides

#ai #testing #machinelearning #python

10 min read

hc_xshh

Oct 9

The Chinese open-weights release timeline, dated

#ai #opensource #machinelearning #llm

13 min read

hc_xshh

Oct 9

Why there is no Western mini program

#webdev #mobile #apple #javascript

11 min read

hc_xshh

Oct 9

From token prices to task prices: three jobs, seven APIs

#ai #api #llm #programming

13 min read

hc_xshh

Oct 9

How an eval set is built, and why it rots

#ai #testing #machinelearning #datascience

10 min read

hc_xshh

Sep 30

DeepSeek filled in the Ascend column: six repos, one technical report, and my machine with no NPU

#ai #opensource #hardware #performance

12 min read

hc_xshh

Sep 28

Collecting trending feeds from 20 platforms: only 8 had a usable API, and one silently failed for 12 days

#automation #python #devops #api

10 min read

hc_xshh

Sep 26

I checked all 12 Reddit subreddits for freelance gigs. Only 3 are usable.

#discuss #career #freelance

2 min read

DEV Community

hc_xshh

Badges

Writing Debut

Measuring error in support AI, and what accuracy hides

The Chinese open-weights release timeline, dated

Why there is no Western mini program

From token prices to task prices: three jobs, seven APIs

How an eval set is built, and why it rots

DeepSeek filled in the Ascend column: six repos, one technical report, and my machine with no NPU

Collecting trending feeds from 20 platforms: only 8 had a usable API, and one silently failed for 12 days

I checked all 12 Reddit subreddits for freelance gigs. Only 3 are usable.