AUDR by Chargebee
AUDR (Agent Usage Detail Record) is an open standard under Apache 2.0 license for tracking the end-to-end usage and cost of AI agent runs across multiple systems.
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Our verdict
Who it's for
Track AI agent usage and cost across systems
Who should look elsewhere
Requires integration effort to adopt adapters or write custom sinks.
Pros
- +Open and neutral standard, not tied to a single vendor.
- +Works with existing runtimes and destinations without replacing them.
- +Provides end-to-end visibility into agent economics.
Cons
- −Requires integration effort to adopt adapters or write custom sinks.
- −Still early-stage; ecosystem and tooling are evolving.
Key features
- ✓Shared run ID minted by harness and passed through all systems.
- ✓Clear authority per field: harness owns attribution, router owns usage.
- ✓Strict merge rules: no component rewrites another's block; corrections are new records.
- ✓Adapters for Vercel AI SDK, LiteLLM, NVIDIA NeMo Relay, and Merge Gateway.
- ✓Core SDK in Python and TypeScript for custom integrations.
Pricing
No public pricing plans recorded.