posts/the-numbers
<> Essay/3 min read/2026-02-27

I Run Multiple Claudes at Once (and Other Surprises From My Data)

81 parallel sessions. A 72-second thinking loop. 1,140 messages after dark. The numbers behind 924 hours.

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81Parallel Events
72sThink Time
1,140Evening Msgs
81 multi-claude events72s thinking loop1,140 evening messagesBug fix > features38:1 TS:JS
Key Takeaway
81 multi-clauding events. You don't plan that. It's what happens when an AI tool stops being a thing you use and starts being a thing you assume is available.

The insights report tells you what works and what breaks. The raw numbers tell you something weirder: how you actually behave.

I Multi-Claude

81 overlap events. 107 sessions involved. 13% of all messages sent while another session was already running.

I didn't plan this. Claude takes a minute to read files and run builds. I get bored. I open another terminal. Over 338 sessions, that restlessness became a workflow — feature implementation in one window, vault updates in another, code review in a third.

I treat Claude sessions like browser tabs. One isn't enough.

I Code at Night

TimeMessages
Evening (6pm-midnight)1,140
Morning (6am-noon)851
Afternoon (noon-6pm)779
Night (midnight-6am)14

The deep work happens after hours. No meetings, no Slack, just iteration. The 14 midnight messages mean I'm at least sleeping.

I Think for 72 Seconds

Median response time: 72.2 seconds. That's how long I stare at Claude's output before typing something.

The distribution reveals three modes:

  • Under 10 seconds (180 responses) — "no, wrong file" / "push it" / "the build failed"
  • 30 seconds to 2 minutes (572 responses) — the core loop: read output, evaluate, redirect
  • 15+ minutes (127 responses) — I walked away

The productive sweet spot is that middle band. Claude produces, I evaluate in a minute, I course-correct. Rinse, repeat.

I Fix More Than I Build

GoalSessions
Bug Fix42
Git Operations32
Feature Implementation28
Deployment25

Bug fix is #1. Not features. Not deployment. Fixing things.

Features come in focused bursts. Bugs arrive constantly. And bug fixes are where Claude's speed advantage is sharpest — describe the problem, Claude reads the code, proposes a fix, I verify. Two minutes.

Git at #2 means I've outsourced my entire git workflow. Cherry-picks, PRs, rebases — Claude does them all.

323 Failures Per 338 Sessions

Nearly one command failure per session. Sounds terrible. It's actually the build-test-fix loop working correctly — Claude writes code, runs the build, it fails, Claude reads the error, fixes it. That "failure" is a feature.

Only 6 times across hundreds of sessions did I reject a destructive action. I trust this thing more than the error count suggests.

2 Quick Questions Out of 338 Sessions

I almost never ask Claude to explain something. Every session is a work session. "Implement the provider, hook it up, fix the bug." Not "how does this work?"

Multi-task sessions (86) beat single-task (60). I stack work. It causes more errors. I do it anyway because the throughput is worth it.

TypeScript 38:1

TypeScript: 4,139 file touches. JavaScript: 110. That's a 38:1 ratio. The JS touches are probably config files.

Markdown at 1,500 is the Obsidian vault work — a full third of my TypeScript volume, built entirely with a coding tool.

The Headline Number

81 multi-clauding events. You don't plan that. It's what happens when an AI tool stops being a thing you use and starts being a thing you assume is available. Like electricity. You don't think about turning it on — you just expect it's there when you reach for it.

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