Built a cognitive archive with live signal visualization — 10.2M tokens

Built a cognitive archive with live signal visualization

cognitive-archive

DEEP WORK

First session with opus-5

First build using this model

10.2Mtokens

55prompts

24:22:14time

7,022lines

Claude Codeclaude-opus-5YAML$158.85

mostly building

Built a real-time cognitive archive that visualizes thinking as live signal traces.

Tokens / prompt184.8k

Cost / line$0.023

Cache hit94%

Burn rate$6.52/hr

Derived from this session's token and cost data. Not shown on the feed.

Building 99%Verifying 1%Thinking 0%