Track LLM costs with zero-code attribution
Track LLM costs with zero-code attribution. Wrap your OpenAI, Anthropic, or AWS Bedrock client and automatically track every request with customer-level attribution.
Sign up at app.langspend.com to get your free API key.
Wrap your existing LLM clients once, and all calls are automatically tracked. No code changes required.
Track costs per customer, feature, and environment. Know exactly who's using what.
Get accurate cost estimates based on the latest pricing from OpenAI, Anthropic, and AWS.
Works with OpenAI, Anthropic, AWS Bedrock, and Google Vertex AI.