Pesimmoq

Writing practical guides on the Claude API: model migrations (Opus/Sonnet/Haiku 5.5), prompt caching, Managed Agents. Every claim checked against the live API.

Joined on Oct 14, 2026 https://persimmoq.com

Pesimmoq

Oct 26

Migrating from Haiku 4.5 to Claude Haiku 5.5: 6 breaking changes and when the price goes up 5x

#claude #anthropic #llm #api

6 min read

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Pesimmoq

Oct 26

LiteLLM 1.107.0 was malware. A 5-minute check for AI developers, and the one-line setting that would have skipped it

#python #security #ai #llm

5 min read

Pesimmoq

Oct 25

What shared hosting WordPress users can do about php2shell

#php #wordpress #security #vulnerability

7 min read

Pesimmoq

Oct 22

LiteLLM 1.107.0 was malware. A 5-minute check for AI developers, and the one-line setting that would have skipped it

#python #security #ai #llm

5 min read

Pesimmoq

Oct 16

I built an AI coworker that works while I sleep, using nothing but Claude Code

#claude #anthropic #ai #automation

6 min read

Pesimmoq

Oct 15

Claude Opus 5.5 / Sonnet 5.5: 5 settings that return 400 when you only change the model name

#claude #anthropic #llm #api

4 min read

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Pesimmoq

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Writing Debut

Migrating from Haiku 4.5 to Claude Haiku 5.5: 6 breaking changes and when the price goes up 5x

Want to connect with Pesimmoq?

LiteLLM 1.107.0 was malware. A 5-minute check for AI developers, and the one-line setting that would have skipped it

What shared hosting WordPress users can do about php2shell

LiteLLM 1.107.0 was malware. A 5-minute check for AI developers, and the one-line setting that would have skipped it

I built an AI coworker that works while I sleep, using nothing but Claude Code

Claude Opus 5.5 / Sonnet 5.5: 5 settings that return 400 when you only change the model name