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Tallyhook
What Claude Code and Codex cost, per team or client
Tallyhook reads the session logs Claude Code and Codex already write and turns them into cost per repo, per team and per developer. Bill it to a client or just find out where it went. Only metadata leaves the machine.
Hi everyone, I'm Evan.
I use Claude Code and Codex every day, and a few weeks ago I actually added it up: 740 sessions and $4,054 of list-price usage in eight weeks, on one seat. I could not have told you what any of it was for.
That is the gap. Vendor dashboards count tokens per user. They cannot say which repo, which squad, or which client a session belonged to, and on a subscription seat there is no dollar figure at all. So the two questions that actually matter go unanswered: which project is eating the budget, and who should be paying for it.
Tallyhook installs with one command per machine, reads the session logs the agents already write, and turns each session into a ledger line: repo, developer, model, tokens, list cost. You group repos once, into teams if you report internally or clients if you bill, and every past and future session rolls up.
One thing I did not expect while building it. Measured across 1,406 of my own session logs, about a third of spend was landing on the wrong project, because a session gets tagged with the directory you launched the agent in, not where the work actually went. Tallyhook resolves each touched file to its own repo instead, and splits a session across repos when it spans more than one.
Metadata only. Prompts and code never leave the machine, and the collector is one dependency-free file you can read in ten minutes.
Two ways to try it without an account: "npx tallyhook report" prints your cost per repo locally and uploads nothing, and there is a live demo at tallyhook.dev/demo with sample data for a five-developer agency.
I would genuinely like to hear how other people handle AI costs in fixed-fee work. Happy to answer anything.
About Tallyhook on Product Hunt
“What Claude Code and Codex cost, per team or client”
Tallyhook was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #156 on the daily leaderboard. Tallyhook reads the session logs Claude Code and Codex already write and turns them into cost per repo, per team and per developer. Bill it to a client or just find out where it went. Only metadata leaves the machine.
On the analytics side, Tallyhook competes within SaaS, Developer Tools and Artificial Intelligence — topics that collectively have 1M followers on Product Hunt. The dashboard above tracks how Tallyhook performed against the three products that launched closest to it on the same day.
Who hunted Tallyhook?
Tallyhook was hunted by Evan Z. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Tallyhook including community comment highlights and product details, visit the product overview.
Evan Z