Cost attribution for LLMs. See spend by user, feature, and model. No more surprise bills.
You get one bill. No breakdown by user, feature, or team.
One runaway agent can blow your budget overnight.
Finance asks "why is AI spend up 300%?" You have no answer.
Tag calls with user and feature for full attribution
# Attribute costs to specific users
tracker.track(
model="claude-sonnet-4-20250514",
input_tokens=response.usage.input_tokens,
output_tokens=response.usage.output_tokens,
user_id="user_8472",
)# See which features cost most
tracker.track(
model="gpt-4o",
input_tokens=1500,
output_tokens=800,
feature="code-review",
)# One line, all calls tracked
tracker.instrument_anthropic()
# Works automatically
client = anthropic.Anthropic()
response = client.messages.create(...)# Same for OpenAI
tracker.instrument_openai()
# All completions tracked
client = openai.OpenAI()
response = client.chat.completions.create(...)Know exactly where your spend goes. Free tier, no credit card.
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