CO
InfrastructureReviewed May 2026
CostSentry
LLM cost monitoring and budget enforcement proxy
Has DocsOpen SourceFree TrialActively Maintained
monitoringllmcost-management
Overview
CostSentry sits as a proxy in front of your LLM API calls. Tracks token usage per agent, user, or feature. Enforces budget limits and sends alerts. Supports OpenAI, Anthropic, and Google.
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Free up to $100 monthly spend, 2% fee above
Integrations
OpenAIAnthropicGoogleDatadog
Resources
Use cases
Observability
Alternatives