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GitHub repositories · by ShriD5

chai-meter

A Claude Code plugin that shows a session cost meter in the status line (in dollars and cups of chai), with a /chai command that breaks down cost by token kind and turn, tracking session and all-time totals.

ShriD5@ShriD5

ShriD5/claude-mods/tree/main/chai-meter

Translated

About this mod

chai-meter is a Claude Code plugin that turns the status line into a taxi meter for your session's cost, displayed both in dollars and in cups of chai. The meter updates live as requests go out and responses stream, then settles on the real usage once a response ends, lining up with Claude Code's own cost ledger. The /chai command prints a breakdown including input, output, cache write, and cache read tokens priced per model, the priciest turn, and session and all-time totals. Session totals persist in $.state across reloads, and all-time totals in $.store across sessions.

Installation is via claude --plugin-dir ./chai-meter or by adding the repo as a marketplace and installing with /plugin. Options include chaiPriceInr (rupees per cup, default 20), usdToInr (default 84), and priceOverrides for per-model pricing. Built-in prices live in hooks/prices.ts and are Anthropic API list prices; models without a row are priced at Opus 5.5 rates, as noted by /chai.

Mechanically, a streaming turn.step hook estimates the arriving response (previous request's input cost plus roughly four characters per output token), then adds the response's real usage priced from the table. Each session.measure sets the base to Claude Code's own cost.usd, while turn.start and turn.complete attribute cost per turn so /chai can identify the priciest one.

Installation

Check the author's README for the marketplace and plugin name first. Commands may change as the repository evolves.

claude plugin marketplace add ShriD5/claude-mods
claude plugin install chai-meter
Original text / README

chai-meter

A taxi meter for your Claude Code session, in the status line:

☕ $0.42 · ≈ 1.8 chai

The meter jumps when a request goes out and ticks up while the response streams. When the response ends, it settles on the real usage. After each turn it lines up with Claude Code's own cost ledger.

/chai prints the breakdown:

☕ This session: $0.74 ≈ 3.1 chai (₹62 at ₹20 a cup, $1 = ₹84)
  input              1,500 tokens     $0.01
  output            32,000 tokens     $0.64
  cache write       10,000 tokens     $0.05
  cache read       200,000 tokens     $0.04
  Priced with the table in hooks/prices.ts.
Priciest turn: $0.64, "now rewrite the whole billing module in Rust ple…"
All time: $10.74 ≈ 45 chai

The session total is kept in $.state, so a reload doesn't reset it. The all-time total is kept in $.store and carries across sessions.

Install

claude --plugin-dir ./chai-meter

or add this repo as a marketplace and install it with /plugin.

Options

| Option | Default | What it does | | --- | --- | --- | | chaiPriceInr | 20 | Rupees per cup of chai. | | usdToInr | 84 | Rupees per US dollar. | | priceOverrides | "" | JSON of model id to [input, output, cache write, cache read] dollars per million tokens, e.g. {"claude-opus-5-5": [4, 20, 5, 0.2]}. Rows you leave out keep the built-in prices. |

The built-in prices live in hooks/prices.ts, one row per model. They are Anthropic API list prices as of 2026-09-25, so update them when prices change. Wherever Claude Code keeps a cost ledger, the session total comes from that ledger. The table only prices the live tick and the per-kind and per-turn rows. A model with no row is priced at Opus 5.5 rates, and /chai says so.

How it works

A streaming turn.step hook estimates the response as it arrives: the previous request's input cost, plus about four characters per output token. It then adds the response's real usage, priced from the table. Each session.measure sets the base to Claude Code's own cost.usd. turn.start and turn.complete attribute cost to each turn so /chai can name the priciest one.

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