aitc

AITC — AI Token Counter. A CLI tool for counting tokens in text/files and estimating API costs across popular LLM models. Supports a diff mode comparing two files.

Features

• Count tokens in inline text, files, or piped stdin
• Estimate API costs for GPT-4o, GPT-4o mini, Claude Sonnet 4.5, Claude Haiku 4.5, Gemini 1.5 Pro, and Gemini 1.5 Flash
• Live pricing via OpenRouter API (--live-prices)
• Diff mode to compare token counts between two files (--diff)

Installation

Via pip

pip install aitc

Via uv

uv tool install aitc

From source

# Clone the repository
git clone https://github.com/arian24b/aitc.git
cd aitc

# Sync dependencies with uv
uv sync

# Run directly
uv run aitc --text "Hello, world!"

# Or install in development mode
uv tool install -e .

Usage

Count tokens from inline text

aitc --text "Your text here"

Count tokens from a file

aitc --file README.md

Pipe text via stdin

echo "Your text here" | aitc
cat somefile.txt | aitc

Compare two files (diff mode)

aitc --diff file1.txt file2.txt

Fetch live pricing

aitc --text "Hello" --live-prices

Development

# Clone
git clone https://github.com/arian24b/aitc.git
cd aitc

# Set up environment with uv
uv sync

# Run linting
uv run ruff check .

# Build
uv build

License

MIT