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Robin SteltmannRobin Steltmann @robin-steltmann

My AI Stack

Explaining AI

$57

/mo · solo

1.05B

tokens · 30 days▼ 34%

updated
01

// sync

Stats

checked

Tokens processed · last 30 days

26.8M

in 2.6%

4.1M

out 0.4%

1.02B

cached 97.1%

≈$358API list prices · 96.5% covered +

Price tables: anthropic-list-2026-07-25, models.dev@2026-09-01, models.dev@2026-09-05, models.dev@2026-09-23, openai-list-2026-08-02

16/30active days▼ 20%
163sessions▲ 16%
97%cache hits▼ 1%
8%run by subagents▲ 346%

Models

6 measured

  • Claude Opus 5.541.3%

    Previous: 0.0%

  • Claude Sonnet 526.2%

    Previous: 67.0%

  • GPT-6 Sol20.3%

    Previous: 0.0%

  • codex-auto-review3.9%

    Previous: 0.0%
+2 more models

  • gpt-6.1-sol3.5%

    Previous: 0.0%

  • everything else4.8%

    Previous: 33.0%
+Subagent routing · 8%
  • Claude Opus 5.586.9%
  • Claude Sonnet 510.3%
  • claude-haiku-4-5-202510012.0%
  • claude-opus-50.9%

Harnesses

163 sessions
Claude Code: 67.9%Codex: 32.1%
  • Claude Code68%
  • Codex32%

Context per call

Claude Code16%156K / 1.0M

Codex30%78K / 258K

harnessinstructionsusual chat□ 1 in 10 chats

Skills

58 used
  • grill-me7%
  • implement-jira-ticket6%
  • openai-docs6%
  • kein-ki-sprech5%
  • code-review4%
  • grilling4%
  • recherche-haiku4%
  • wayfinder4%
  • pdf3%
  • ponytail3%
  • tdd3%
  • claude-code-setup:claude-automation-recommender3%
  • computer-use3%
  • domain-modeling3%
  • graphify2%
  • presentations2%
  • skill-creator2%
  • add-rest-endpoint1%
  • angular-feature1%
  • anthropic-skills:pptx1%
  • blog-erstellen1%
  • characterization-test1%
  • dao-integration-test1%
  • erp-adapter1%
  • grill-with-docs1%
  • handoff1%
  • imagegen1%
  • implement1%
  • improve-codebase-architecture1%
  • reproduce-bug1%
  • schema-change1%
  • setup-matt-pocock-skills1%
  • simplify1%
  • sites-building1%
  • to-spec1%
  • to-tickets1%
  • triage1%
  • visualize1%
  • writing-for-agents1%

MCP servers

1 used
  • playwright12%

7 names withheld across sources

Subagent types

2 used
  • general-purpose21×
  • Explore5×

5 names withheld across sources

The week

local time16/30 days
Mon: 1,524 eventsMoTue: 931 eventsTuWed: 1,143 eventsWeThu: 959 eventsThFri: 2,005 eventsFrSat: 392 eventsSaSun: 554 eventsSu0:00: 224 events1:00: 0 events2:00: 0 events3:00: 0 events4:00: 0 events5:00: 0 events6:00: 149 events7:00: 409 events8:00: 707 events9:00: 505 events10:00: 614 events11:00: 200 events12:00: 281 events13:00: 308 events14:00: 510 events15:00: 336 events16:00: 376 events17:00: 202 events18:00: 171 events19:00: 189 events20:00: 560 events21:00: 300 events22:00: 713 events23:00: 754 events0006121823
+every hour
MoTuWeThFrSaSu0000:00: 0 session starts01:00: 0 session starts02:00: 0 session starts0303:00: 0 session starts04:00: 0 session starts05:00: 0 session starts0606:00: 4 session starts07:00: 4 session starts08:00: 23 session starts0909:00: 11 session starts10:00: 10 session starts11:00: 6 session starts1212:00: 22 session starts13:00: 22 session starts14:00: 10 session starts1515:00: 6 session starts16:00: 5 session starts17:00: 5 session starts1818:00: 3 session starts19:00: 2 session starts20:00: 28 session starts2121:00: 6 session starts22:00: 25 session starts23:00: 4 session startsMon 00:00: 24 activity eventsMon 01:00: 0 activity eventsMon 02:00: 0 activity eventsMon 03:00: 0 activity eventsMon 04:00: 0 activity eventsMon 05:00: 0 activity eventsMon 06:00: 96 activity eventsMon 07:00: 0 activity eventsMon 08:00: 77 activity eventsMon 09:00: 57 activity eventsMon 10:00: 196 activity eventsMon 11:00: 16 activity eventsMon 12:00: 22 activity eventsMon 13:00: 179 activity eventsMon 14:00: 7 activity eventsMon 15:00: 66 activity eventsMon 16:00: 291 activity eventsMon 17:00: 169 activity eventsMon 18:00: 78 activity eventsMon 19:00: 22 activity eventsMon 20:00: 93 activity eventsMon 21:00: 104 activity eventsMon 22:00: 27 activity eventsMon 23:00: 0 activity eventsTue 00:00: 0 activity eventsTue 01:00: 0 activity eventsTue 02:00: 0 activity eventsTue 03:00: 0 activity eventsTue 04:00: 0 activity eventsTue 05:00: 0 activity eventsTue 06:00: 0 activity eventsTue 07:00: 0 activity eventsTue 08:00: 31 activity eventsTue 09:00: 90 activity eventsTue 10:00: 158 activity eventsTue 11:00: 0 activity eventsTue 12:00: 0 activity eventsTue 13:00: 65 activity eventsTue 14:00: 155 activity eventsTue 15:00: 94 activity eventsTue 16:00: 0 activity eventsTue 17:00: 0 activity eventsTue 18:00: 0 activity eventsTue 19:00: 147 activity eventsTue 20:00: 136 activity eventsTue 21:00: 55 activity eventsTue 22:00: 0 activity eventsTue 23:00: 0 activity eventsWed 00:00: 0 activity eventsWed 01:00: 0 activity eventsWed 02:00: 0 activity eventsWed 03:00: 0 activity eventsWed 04:00: 0 activity eventsWed 05:00: 0 activity eventsWed 06:00: 0 activity eventsWed 07:00: 0 activity eventsWed 08:00: 73 activity eventsWed 09:00: 66 activity eventsWed 10:00: 112 activity eventsWed 11:00: 44 activity eventsWed 12:00: 89 activity eventsWed 13:00: 55 activity eventsWed 14:00: 72 activity eventsWed 15:00: 55 activity eventsWed 16:00: 4 activity eventsWed 17:00: 4 activity eventsWed 18:00: 4 activity eventsWed 19:00: 10 activity eventsWed 20:00: 280 activity eventsWed 21:00: 32 activity eventsWed 22:00: 174 activity eventsWed 23:00: 69 activity eventsThu 00:00: 0 activity eventsThu 01:00: 0 activity eventsThu 02:00: 0 activity eventsThu 03:00: 0 activity eventsThu 04:00: 0 activity eventsThu 05:00: 0 activity eventsThu 06:00: 0 activity eventsThu 07:00: 0 activity eventsThu 08:00: 172 activity eventsThu 09:00: 131 activity eventsThu 10:00: 94 activity eventsThu 11:00: 120 activity eventsThu 12:00: 129 activity eventsThu 13:00: 6 activity eventsThu 14:00: 0 activity eventsThu 15:00: 0 activity eventsThu 16:00: 0 activity eventsThu 17:00: 29 activity eventsThu 18:00: 1 activity eventsThu 19:00: 5 activity eventsThu 20:00: 0 activity eventsThu 21:00: 0 activity eventsThu 22:00: 48 activity eventsThu 23:00: 224 activity eventsFri 00:00: 200 activity eventsFri 01:00: 0 activity eventsFri 02:00: 0 activity eventsFri 03:00: 0 activity eventsFri 04:00: 0 activity eventsFri 05:00: 0 activity eventsFri 06:00: 14 activity eventsFri 07:00: 409 activity eventsFri 08:00: 354 activity eventsFri 09:00: 161 activity eventsFri 10:00: 54 activity eventsFri 11:00: 20 activity eventsFri 12:00: 41 activity eventsFri 13:00: 3 activity eventsFri 14:00: 276 activity eventsFri 15:00: 121 activity eventsFri 16:00: 0 activity eventsFri 17:00: 0 activity eventsFri 18:00: 88 activity eventsFri 19:00: 5 activity eventsFri 20:00: 0 activity eventsFri 21:00: 32 activity eventsFri 22:00: 118 activity eventsFri 23:00: 109 activity eventsSat 00:00: 0 activity eventsSat 01:00: 0 activity eventsSat 02:00: 0 activity eventsSat 03:00: 0 activity eventsSat 04:00: 0 activity eventsSat 05:00: 0 activity eventsSat 06:00: 39 activity eventsSat 07:00: 0 activity eventsSat 08:00: 0 activity eventsSat 09:00: 0 activity eventsSat 10:00: 0 activity eventsSat 11:00: 0 activity eventsSat 12:00: 0 activity eventsSat 13:00: 0 activity eventsSat 14:00: 0 activity eventsSat 15:00: 0 activity eventsSat 16:00: 81 activity eventsSat 17:00: 0 activity eventsSat 18:00: 0 activity eventsSat 19:00: 0 activity eventsSat 20:00: 43 activity eventsSat 21:00: 21 activity eventsSat 22:00: 134 activity eventsSat 23:00: 74 activity eventsSun 00:00: 0 activity eventsSun 01:00: 0 activity eventsSun 02:00: 0 activity eventsSun 03:00: 0 activity eventsSun 04:00: 0 activity eventsSun 05:00: 0 activity eventsSun 06:00: 0 activity eventsSun 07:00: 0 activity eventsSun 08:00: 0 activity eventsSun 09:00: 0 activity eventsSun 10:00: 0 activity eventsSun 11:00: 0 activity eventsSun 12:00: 0 activity eventsSun 13:00: 0 activity eventsSun 14:00: 0 activity eventsSun 15:00: 0 activity eventsSun 16:00: 0 activity eventsSun 17:00: 0 activity eventsSun 18:00: 0 activity eventsSun 19:00: 0 activity eventsSun 20:00: 8 activity eventsSun 21:00: 56 activity eventsSun 22:00: 212 activity eventsSun 23:00: 278 activity events

Lines changed

+39,698 -10,977
2026-09-16: +9,406 / -1,708 lines2026-09-17: +6,318 / -3,215 lines2026-09-18: +4,925 / -195 lines2026-09-19: +0 / -0 lines2026-09-20: +0 / -0 lines2026-09-21: +502 / -79 lines2026-09-22: +1,540 / -3,950 lines2026-09-23: +2,055 / -523 lines2026-09-24: +4,629 / -294 lines2026-09-25: +3,681 / -518 lines2026-09-26: +3,055 / -32 lines2026-09-27: +1,226 / -84 lines2026-09-28: +450 / -15 lines2026-09-29: +964 / -150 lines2026-09-30: +112 / -44 lines2026-10-01: +21 / -15 lines2026-10-02: +814 / -155 lines2026-10-03: +0 / -0 lines2026-10-04: +0 / -0 lines2026-10-05: +0 / -0 lines

2026-09-162026-10-15

Languages

C++: 33.4%HTML: 29.4%TypeScript: 16.9%Markdown: 14.7%JavaScript: 2.4%JSON: 0.8%other: 2.3%
  • C++33%
  • HTML29%
  • TypeScript17%
  • Markdown15%
  • JavaScript2%
  • JSON1%
  • other2%

some extensions withheld

Every number in this section came from one command.

how it works
02

// Showcase

Projects

03

// AI Components

Tools

ChatGPT
ChatGPTReasoning · Plus
$20/mo
n8n
n8nAutomation · Starter
$20/mo
Claude
ClaudeReasoning · Pro
$17/mo
Claude Code
Claude CodeCoding Agent · Included with Claude
Free
Codex
CodexCoding Agent · Included with ChatGPT
Free
04

// writeup

Guide

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